WO2013024779A1 - リソグラフィー用下層膜形成材料、リソグラフィー用下層膜及びパターン形成方法 - Google Patents
リソグラフィー用下層膜形成材料、リソグラフィー用下層膜及びパターン形成方法 Download PDFInfo
- Publication number
- WO2013024779A1 WO2013024779A1 PCT/JP2012/070305 JP2012070305W WO2013024779A1 WO 2013024779 A1 WO2013024779 A1 WO 2013024779A1 JP 2012070305 W JP2012070305 W JP 2012070305W WO 2013024779 A1 WO2013024779 A1 WO 2013024779A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- group
- layer film
- carbon atoms
- lower layer
- lithography
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
- 0 C*CC1C=CC2=CC=*C2C1 Chemical compound C*CC1C=CC2=CC=*C2C1 0.000 description 2
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/09—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers
- G03F7/11—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers having cover layers or intermediate layers, e.g. subbing layers
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/09—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers
- G03F7/091—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers characterised by antireflection means or light filtering or absorbing means, e.g. anti-halation, contrast enhancement
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
- C07D311/96—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings spiro-condensed with carbocyclic rings or ring systems
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
- C08G8/04—Condensation polymers of aldehydes or ketones with phenols only of aldehydes
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/09—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/09—Photosensitive materials characterised by structural details, e.g. supports, auxiliary layers
- G03F7/094—Multilayer resist systems, e.g. planarising layers
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/26—Processing photosensitive materials; Apparatus therefor
- G03F7/30—Imagewise removal using liquid means
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/26—Processing photosensitive materials; Apparatus therefor
- G03F7/40—Treatment after imagewise removal, e.g. baking
-
- H10P76/20—
Definitions
- the present invention relates to an underlayer film forming material for lithography containing a compound or resin having a specific structure, and a photoresist pattern forming method using the underlayer film forming material for lithography.
- the light source for lithography used for resist pattern formation is shortened from KrF excimer laser (248 nm) to ArF excimer laser (193 nm).
- KrF excimer laser 248 nm
- ArF excimer laser (193 nm)
- simply thinning the resist makes it difficult to obtain a resist pattern film thickness sufficient for substrate processing. Therefore, not only a resist pattern but also a process of creating a resist underlayer film between the resist and a semiconductor substrate to be processed and providing this resist underlayer film with a function as a mask during substrate processing has become necessary.
- a terminal layer is removed by applying a predetermined energy as a resist underlayer film for lithography having a dry etching rate selection ratio close to that of a resist.
- a material for forming an underlayer film for a multilayer resist process which contains at least a resin component having a substituent that generates a sulfonic acid residue and a solvent (see Patent Document 1).
- a resist underlayer film material containing a polymer having a specific repeating unit has been proposed as a material for realizing a resist underlayer film for lithography having a lower dry etching rate selectivity than that of a resist (see Patent Document 2). ). Furthermore, in order to realize a resist underlayer film for lithography having a low dry etching rate selection ratio compared with a semiconductor substrate, a repeating unit of acenaphthylenes and a repeating unit having a substituted or unsubstituted hydroxy group are copolymerized. A resist underlayer film material containing a polymer is proposed (see Patent Document 3).
- an amorphous carbon underlayer film formed by CVD using methane gas, ethane gas, acetylene gas or the like as a raw material is well known.
- a resist underlayer film material capable of forming a resist underlayer film by a wet process such as spin coating or screen printing is required.
- the inventors of the present invention provide a lithographic lower layer containing a naphthalene formaldehyde polymer containing a specific structural unit and an organic solvent as a material that is excellent in optical properties and etching resistance and is soluble in a solvent and applicable to a wet process.
- a film-forming composition (see Patent Documents 4 and 5) is proposed.
- the formation method of the intermediate layer used in forming the resist underlayer film in the three-layer process for example, a silicon nitride film formation method (see Patent Document 6) or a silicon nitride film CVD formation method (see Patent Document 7).
- a silicon nitride film formation method for example, a silicon nitride film formation method (see Patent Document 6) or a silicon nitride film CVD formation method (see Patent Document 7).
- an intermediate layer material for a three-layer process a material containing a silsesquioxane-based silicon compound is known (see Patent Documents 8 and 9).
- the present invention has been made in view of the above-mentioned problems, and its purpose is to apply a wet process, and is useful for forming a photoresist underlayer film excellent in heat resistance and etching resistance.
- An object of the present invention is to provide a film forming material and a pattern forming method using the material.
- each X is independently an oxygen atom or a sulfur atom
- each R 1 is independently a single bond or a 2n-valent hydrocarbon group having 1 to 30 carbon atoms
- the hydrocarbon group may have a cyclic hydrocarbon group, a double bond, a hetero atom, or an aromatic group having 6 to 30 carbon atoms
- each R 2 independently represents 1 to 10 carbon atoms.
- the compound represented by the general formula (1) is a compound represented by the following general formula (1a), (In the formula (1a), each X is independently an oxygen atom or a sulfur atom, each R 1 is independently a single bond or a 2n-valent hydrocarbon group having 1 to 30 carbon atoms, The hydrocarbon group may have a cyclic hydrocarbon group, a double bond, a hetero atom, or an aromatic group having 6 to 30 carbon atoms, and each R 4 independently represents one having 1 to 10 carbon atoms.
- each X is independently an oxygen atom or a sulfur atom
- each R 1 is independently a single bond or a 2n-valent hydrocarbon group having 1 to 30 carbon atoms
- the hydrocarbon group may have a cyclic hydrocarbon group, a double bond, a hetero atom, or an aromatic group having 6 to 30 carbon atoms
- each R 2 independently represents 1 to 10 carbon atoms.
- a linear, branched or cyclic alkyl group, an aryl group having 6 to 10 carbon atoms, an alkenyl group having 2 to 10 carbon atoms, or a hydroxyl group, provided that at least one of R 2 is a hydroxyl group, and R 3 Are each independently a single bond or a linear or branched alkylene group having 1 to 20 carbon atoms, m 2 is each independently an integer of 1 to 5, and n is 1 to It is an integer of 4.) Underlayer film forming material for lithography.
- ⁇ 6> Furthermore, it contains a crosslinking agent, The material for forming a lower layer film for lithography according to any one of ⁇ 1> to ⁇ 5> above.
- ⁇ 7> A material for forming an underlayer film for lithography according to any one of ⁇ 1> to ⁇ 6> above, Lower layer film for lithography.
- a lower layer film is formed on the substrate using the lower layer film forming material according to any one of the above ⁇ 1> to ⁇ 6>, and at least one photoresist layer is formed on the lower layer film. After the formation, it is characterized by irradiating a required region of the photoresist layer and performing alkali development, Pattern forming method.
- a lower layer film is formed on the substrate using the lower layer film forming material according to any one of the above ⁇ 1> to ⁇ 6>, and a resist intermediate layer containing silicon atoms is formed on the lower layer film
- An intermediate layer film is formed by using a film material, and at least one photoresist layer is formed on the intermediate layer film. Then, a predetermined region of the photoresist layer is irradiated with radiation and subjected to alkali development to form a resist.
- a pattern is formed, and then the intermediate layer film is etched using the resist pattern as a mask, the lower layer film is etched using the obtained intermediate layer film pattern as an etching mask, and the resulting lower layer film pattern is used as an etching mask.
- a pattern is formed on the substrate by etching Pattern forming method.
- a wet process can be applied, and a material for forming a lower layer film for lithography useful for forming a photoresist lower layer film having excellent heat resistance and etching resistance can be realized.
- this lower layer film forming material for lithography uses a naphthol derivative (compound or resin) having a specific structure that has high heat resistance, relatively high carbon concentration, relatively low oxygen concentration, and high solvent solubility. Therefore, the deterioration of the film during high-temperature baking is suppressed, and it is possible to form a lower layer film having excellent etching resistance against oxygen plasma etching, etc. A resist pattern can be obtained.
- the material for forming a lower layer film for lithography of the present embodiment contains at least a compound represented by the following general formula (1).
- each X is independently an oxygen atom or a sulfur atom, and each naphthalene ring is bonded through X.
- Each R 1 is independently a single bond or a 2n-valent hydrocarbon group having 1 to 30 carbon atoms, and each naphthalene ring is bonded through this R 1 .
- the 2n-valent hydrocarbon group may have a cyclic hydrocarbon group, a double bond, a hetero atom, or an aromatic group having 6 to 30 carbon atoms.
- R 2 is each independently a group consisting of a linear, branched or cyclic alkyl group having 1 to 10 carbon atoms, an aryl group having 6 to 10 carbon atoms, an alkenyl group having 2 to 10 carbon atoms and a hydroxyl group. Is a selected monovalent substituent, and is bonded to the naphthalene ring m in number.
- at least one of R 2 is a hydroxyl group.
- M is independently an integer of 1 to 6, and n is an integer of 1 to 4.
- Examples of the 2n-valent hydrocarbon group include those having a linear, branched, or cyclic structure.
- the 2n-valent hydrocarbon group may have a cyclic hydrocarbon group, a double bond, a hetero atom, or an aromatic group having 6 to 30 carbon atoms.
- the cyclic hydrocarbon group includes a bridged cyclic hydrocarbon group.
- the compound represented by the general formula (1) has a relatively low molecular weight, but has high heat resistance due to the rigidity of its structure, and therefore can be used under high temperature baking conditions.
- the substrate has a relatively low molecular weight and low viscosity, it is easy to uniformly fill every corner of a step even on a substrate having a step (particularly, a fine space or a hole pattern).
- the embedding characteristic of the material for forming a lower layer film for lithography using this can be improved relatively advantageously.
- it is a compound having a relatively high carbon concentration, high etching resistance is also imparted.
- the compound represented by the general formula (1) is preferably a compound represented by the following formula (1-1).
- R 1 , R 2 , m, and n are as defined in the above formula (1).
- the compound represented by the general formula (1-1) is more preferably a compound represented by the following formula (1-2).
- R 1 and n have the same meaning as described in the above formula (1-1)
- R 4 has the same meaning as R 2 described in the above formula (1)
- m 3 is each independently an integer of 1 to 6
- m 4 is each independently an integer of 0 to 5
- m 3 + m 4 is an integer of 1 to 6.
- the compound represented by the general formula (1-2) is more preferably a compound represented by the following formula (1-3).
- R 1 , R 4 and m 4 have the same meaning as described in the above formula (1-2).
- X, R 1 , R 4 and m 4 have the same meanings as described in the above formula (1-2).
- the compound represented by the general formula (1a) is particularly preferably an embodiment in which X ⁇ O in the above formula (1a), that is, a compound represented by the following formula (1-4).
- R 1 , R 4 and m 4 have the same meaning as described in the above formula (1a).
- the compound represented by the general formula (1) can be appropriately synthesized by applying a known technique, and the synthesis technique is not particularly limited.
- the compound represented by the general formula (1) can be obtained by subjecting naphthols or thionaphthols and corresponding aldehydes or ketones to a polycondensation reaction under an acid catalyst under normal pressure. Moreover, it can also carry out under pressure as needed.
- naphthols examples include, but are not particularly limited to, naphthol, methyl naphthol, methoxy naphthol, naphthalene diol, and the like. These can be used alone or in combination of two or more. Among these, it is more preferable to use naphthalene diol because a xanthene structure can be easily formed.
- thionaphthols examples include, but are not particularly limited to, naphthalene thiol, methyl naphthalene thiol, methoxynaphthalene thiol, naphthalene dithiol, and the like. These can be used alone or in combination of two or more. Among these, it is more preferable to use naphthalenedithiol because a thioxanthene structure can be easily formed.
- aldehydes examples include formaldehyde, trioxane, paraformaldehyde, acetaldehyde, propylaldehyde, butyraldehyde, hexylaldehyde, decylaldehyde, undecylaldehyde, phenylacetaldehyde, phenylpropylaldehyde, furfural, benzaldehyde, hydroxybenzaldehyde, fluorobenzaldehyde, Chlorobenzaldehyde, Nitrobenzaldehyde, Methylbenzaldehyde, Dimethylbenzaldehyde, Ethylbenzaldehyde, Propylbenzaldehyde, Butylbenzaldehyde, Cyclohexylbenzaldehyde, Biphenylaldehyde, Naphthaldehyde, Anthracenecarboxaldehyde, Phenanthrene
- benzaldehyde hydroxybenzaldehyde, fluorobenzaldehyde, chlorobenzaldehyde, nitrobenzaldehyde, methylbenzaldehyde, dimethylbenzaldehyde, ethylbenzaldehyde, propylbenzaldehyde, butylbenzaldehyde, cyclohexylbenzaldehyde, biphenylaldehyde, naphthaldehyde, anthracenecarboxaldehyde, phenanthrenecarboxaldehyde , Pyrenecarboxaldehyde, glyoxal, glutaraldehyde, phthalaldehyde, naphthalene dicarboxyaldehyde, biphenyl dicarboxaldehyde, anthracene dicarboxaldehyde,
- ketones examples include acetone, methyl ethyl ketone, cyclobutanone, cyclopentanone, cyclohexanone, norbornanone, tricyclohexanone, tricyclodecanone, adamantanone, fluorenone, benzofluorenone, acenaphthenequinone, acenaphthenone, anthraquinone and the like. However, it is not particularly limited to these. These can be used alone or in combination of two or more.
- cyclopentanone cyclohexanone, norbornanone, tricyclohexanone, tricyclodecanone, adamantanone, fluorenone, benzofluorenone, acenaphthenequinone, acenaphthenone and anthraquinone from the viewpoint of giving high heat resistance.
- the acid catalyst used in the above reaction can be appropriately selected from known ones and is not particularly limited.
- inorganic acids and organic acids are widely known.
- inorganic acids such as hydrochloric acid, sulfuric acid, phosphoric acid, hydrobromic acid, hydrofluoric acid, oxalic acid, malonic acid, and succinic acid.
- Adipic acid sebacic acid, citric acid, fumaric acid, maleic acid, formic acid, p-toluenesulfonic acid, methanesulfonic acid, trifluoroacetic acid, dichloroacetic acid, trichloroacetic acid, trifluoromethanesulfonic acid, benzenesulfonic acid, naphthalenesulfonic acid Organic acids such as naphthalenedisulfonic acid, Lewis acids such as zinc chloride, aluminum chloride, iron chloride, boron trifluoride, or solid acids such as silicotungstic acid, phosphotungstic acid, silicomolybdic acid or phosphomolybdic acid Although it is mentioned, it is not specifically limited to these.
- an organic acid and a solid acid are preferable from the viewpoint of production, and hydrochloric acid or sulfuric acid is preferably used from the viewpoint of production such as availability and ease of handling.
- an acid catalyst 1 type can be used individually or in combination of 2 or more types.
- the amount of the acid catalyst used can be appropriately set according to the raw material used, the type of catalyst used, and the reaction conditions, and is not particularly limited, but is 0.01 to 100 per 100 parts by mass of the reactive raw material. It is preferable that it is a mass part.
- a reaction solvent may be used.
- the reaction solvent is not particularly limited as long as the reaction between the aldehyde or ketone to be used and the naphthol or thionaphthol proceeds, and can be appropriately selected from known ones. , Water, methanol, ethanol, propanol, butanol, tetrahydrofuran, dioxane, ethylene glycol dimethyl ether, ethylene glycol diethyl ether, or a mixed solvent thereof.
- a solvent can be used individually by 1 type or in combination of 2 or more types.
- the amount of these solvents used can be appropriately set according to the raw material used, the type of catalyst used, and the reaction conditions, and is not particularly limited, but is 0 to 2000 parts by mass with respect to 100 parts by mass of the reaction raw material. It is preferable that it is the range of these.
- the reaction temperature in the above reaction can be appropriately selected according to the reactivity of the reaction raw material, and is not particularly limited, but is usually in the range of 10 to 200 ° C. In order to form a xanthene structure or a thioxanthene structure as the compound represented by the general formula (1) of the present embodiment, the reaction temperature is preferably higher, and specifically in the range of 60 to 200 ° C.
- the reaction method can be appropriately selected from known methods and is not particularly limited.
- the reaction method is not particularly limited, but a method in which naphthols or thionaphthols, aldehydes or ketones, and a catalyst are charged all together, naphthols or thionaphthol is used. Or aldehydes or ketones in the presence of a catalyst.
- the obtained compound can be isolated according to a conventional method, and is not particularly limited. For example, in order to remove unreacted raw materials, catalysts, etc. existing in the system, a general method is adopted such as raising the temperature of the reaction vessel to 130-230 ° C. and removing volatile matter at about 1-50 mmHg. Thus, the target compound can be obtained.
- reaction conditions 1 mol to excess of naphthols or thionaphthols and 0.001 to 1 mol of acid catalyst are used with respect to 1 mol of aldehyde or ketone, and 50 to 150 ° C. at normal pressure. The reaction proceeds for about 20 minutes to 100 hours.
- the target product can be isolated by a known method.
- the reaction solution is concentrated, pure water is added to precipitate the reaction product, cooled to room temperature, filtered and separated, and the resulting solid is filtered and dried, followed by column chromatography.
- the compound represented by the above general formula (1), which is the target product can be obtained by separating and purifying the product from the by-product, evaporating the solvent, filtering and drying.
- the molecular weight of the compound represented by the general formula (1) is not particularly limited, but the weight average molecular weight Mw is preferably 350 to 5,000, and more preferably 400 to 3,000.
- the compound represented by the general formula (1) can be used as it is as a material for forming a lower layer film for lithography. It can also be used as an oligomerized resin reacted with a monomer having crosslinking reactivity.
- the resin obtained by oligomerizing the compound represented by the general formula (1) include those having a structure represented by the following general formula (2). That is, the lithography lower layer film-forming material of the present embodiment may contain at least a resin having a structure represented by the following general formula (2).
- X is respectively independently an oxygen atom or a sulfur atom.
- R 1 is each independently a single bond or a 2n-valent hydrocarbon group having 1 to 30 carbon atoms, and the hydrocarbon group is a cyclic hydrocarbon group, a double bond, a hetero atom, or 6 to 6 carbon atoms. It may have 30 aromatic groups.
- Each R 2 independently represents a linear, branched or cyclic alkyl group having 1 to 10 carbon atoms, an aryl group having 6 to 10 carbon atoms, an alkenyl group having 2 to 10 carbon atoms, or a hydroxyl group, provided that , R 2 is a hydroxyl group.
- Each R 3 is independently a single bond or a linear or branched alkylene group having 1 to 20 carbon atoms.
- m 2 is each independently an integer of 1 to 5, and n is an integer of 1 to 4.
- the 2n-valent hydrocarbon group has the same meaning as described in the above formula (1).
- the monomer having crosslinking reactivity a known monomer can be used without particular limitation as long as it can oligomerize the compound represented by the general formula (1).
- Specific examples thereof include, but are not limited to, aldehydes, ketones, carboxylic acids, carboxylic acid halides, halogen-containing compounds, amino compounds, imino compounds, isocyanates, unsaturated hydrocarbon group-containing compounds, and the like.
- the resin having the structure represented by the general formula (2) include, for example, a resin in which the compound represented by the general formula (1) is novolakized by a condensation reaction with an aldehyde that is a crosslinking reactive monomer. Is mentioned.
- aldehyde for example, formaldehyde, trioxane, paraformaldehyde, benzaldehyde, acetaldehyde, propylaldehyde, phenylacetaldehyde, phenylpropylaldehyde, hydroxybenzaldehyde
- examples include, but are not limited to, chlorobenzaldehyde, nitrobenzaldehyde, methylbenzaldehyde, ethylbenzaldehyde, butylbenzaldehyde, biphenylaldehyde, naphthaldehyde, anthracenecarbaldehyde, phenanthrenecarbaldehyde, pyrenecarbaldehyde, and furfural.
- aldehydes can be used individually by 1 type or in combination of 2 or more types.
- the amount of the aldehyde used is not particularly limited, but is preferably 0.2 to 5 mol, more preferably 0.5 to 2 mol, relative to 1 mol of the compound represented by the general formula (1). is there.
- a catalyst may be used.
- the acid catalyst used here can be appropriately selected from known ones and is not particularly limited.
- inorganic acids and organic acids are widely known.
- inorganic acids such as hydrochloric acid, sulfuric acid, phosphoric acid, hydrobromic acid, hydrofluoric acid, oxalic acid, malonic acid, and succinic acid.
- Adipic acid sebacic acid, citric acid, fumaric acid, maleic acid, formic acid, p-toluenesulfonic acid, methanesulfonic acid, trifluoroacetic acid, dichloroacetic acid, trichloroacetic acid, trifluoromethanesulfonic acid, benzenesulfonic acid, naphthalenesulfonic acid Organic acids such as naphthalenedisulfonic acid, Lewis acids such as zinc chloride, aluminum chloride, iron chloride, boron trifluoride, or solid acids such as silicotungstic acid, phosphotungstic acid, silicomolybdic acid or phosphomolybdic acid Although it is mentioned, it is not specifically limited to these.
- organic acids and solid acids are preferable from the viewpoint of production, and hydrochloric acid or sulfuric acid is preferable from the viewpoint of production such as availability and ease of handling.
- an acid catalyst 1 type can be used individually or in combination of 2 or more types.
- the amount of the acid catalyst used can be appropriately set according to the raw material used, the type of catalyst used, and the reaction conditions, and is not particularly limited, but is 0.01 to 100 per 100 parts by mass of the reactive raw material. It is preferable that it is a mass part.
- indene hydroxyindene, benzofuran, hydroxyanthracene, acenaphthylene, biphenyl, bisphenol, trisphenol, dicyclopentadiene, tetrahydroindene, 4-vinylcyclohexene, norbornadiene, 5-vinylnorborna-2-ene, ⁇ -pinene, ⁇ -pinene
- aldehydes are not necessarily required.
- a reaction solvent can also be used.
- the reaction solvent in this polycondensation can be appropriately selected from known solvents and is not particularly limited. Examples thereof include water, methanol, ethanol, propanol, butanol, tetrahydrofuran, dioxane, and mixed solvents thereof. Illustrated.
- a solvent can be used individually by 1 type or in combination of 2 or more types. The amount of these solvents used can be appropriately set according to the raw material used, the type of catalyst used, and the reaction conditions, and is not particularly limited, but is 0 to 2000 parts by mass with respect to 100 parts by mass of the reaction raw material. It is preferable that it is the range of these.
- the reaction temperature can be appropriately selected according to the reactivity of the reaction raw material, and is not particularly limited, but is usually in the range of 10 to 200 ° C.
- the reaction method can be appropriately selected from known methods and is not particularly limited.
- the reaction method may be a method in which the compound represented by the general formula (1), the aldehydes, and the catalyst are charged all together, or the general formula ( There is a method in which the compound or aldehyde represented by 1) is dropped in the presence of a catalyst.
- the obtained compound can be isolated according to a conventional method, and is not particularly limited.
- a general method is adopted such as raising the temperature of the reaction vessel to 130-230 ° C. and removing volatile matter at about 1-50 mmHg. As a result, a novolak resin as the target product can be obtained.
- the resin having the structure represented by the general formula (2) may be a homopolymer of the compound represented by the general formula (1), but is a copolymer with other phenols. May be.
- the copolymerizable phenols include phenol, cresol, dimethylphenol, trimethylphenol, butylphenol, phenylphenol, diphenylphenol, naphthylphenol, resorcinol, methylresorcinol, catechol, butylcatechol, methoxyphenol, methoxyphenol, Although propylphenol, pyrogallol, thymol, etc. are mentioned, it is not specifically limited to these.
- the resin having the structure represented by the general formula (2) may be copolymerized with a polymerizable monomer other than the above-described phenols.
- the copolymerization monomer include naphthol, methylnaphthol, methoxynaphthol, dihydroxynaphthalene, indene, hydroxyindene, benzofuran, hydroxyanthracene, acenaphthylene, biphenyl, bisphenol, trisphenol, dicyclopentadiene, tetrahydroindene, 4-vinylcyclohexene.
- the resin having the structure represented by the general formula (2) is a binary or more (for example, 2-4 quaternary) copolymer of the compound represented by the general formula (1) and the above-described phenols.
- the general formula (1) It may be a ternary or higher (for example, ternary to quaternary) copolymer of the compound shown, the above-described phenols, and the above-mentioned copolymerization monomer.
- the molecular weight of the resin having the structure represented by the general formula (2) is not particularly limited, but the polystyrene-equivalent weight average molecular weight (Mw) is preferably 500 to 30,000, more preferably 750 to 20,000. Further, from the viewpoint of increasing the crosslinking efficiency and suppressing the volatile components in the baking, the resin having the structure represented by the general formula (2) has a dispersity (weight average molecular weight Mw / number average molecular weight Mn) of 1.2. Those within the range of ⁇ 7 are preferred.
- the above-described compound represented by the general formula (1) and / or the resin having the structure represented by the general formula (2) has high solubility in a solvent from the viewpoint of easier application of a wet process.
- these compounds and / or resins preferably have a solubility in 1-methoxy-2-propanol (PGME) or propylene glycol monomethyl ether acetate (PGMEA) of 10% by mass or more.
- PGME 1-methoxy-2-propanol
- PGMEA propylene glycol monomethyl ether acetate
- the solubility in PGME or PGMEA is defined as “resin mass ⁇ (resin mass + solvent mass) ⁇ 100 (mass%)”.
- the solubility of the phenolic resin in PGMEA is “10 mass% or more”, and when it is not dissolved, it is “less than 10 mass%”.
- the lower layer film forming material for lithography of the present embodiment contains an organic solvent which is an optional component described later, the content of the compound represented by the general formula (1) and the resin having the structure represented by the general formula (2).
- the content of the compound represented by the general formula (1) and the resin having the structure represented by the general formula (2). is not particularly limited, but is preferably 1 to 33 parts by mass, more preferably 2 to 25 parts by mass, and further preferably 3 to 20 parts by mass with respect to 100 parts by mass of the total amount including the organic solvent.
- the material for forming a lower layer film for lithography of the present embodiment includes, in addition to the compound represented by the general formula (1) and / or the resin having the structure represented by the general formula (2), a crosslinking agent, an acid, if necessary.
- a crosslinking agent such as a generator and an organic solvent may be included.
- these optional components will be described.
- the lower layer film forming material for lithography of the present embodiment may contain a crosslinking agent as necessary from the viewpoint of suppressing intermixing.
- a crosslinking agent that can be used in the present embodiment include double bonds such as melamine compounds, guanamine compounds, glycoluril compounds or urea compounds, epoxy compounds, thioepoxy compounds, isocyanate compounds, azide compounds, alkenyl ether groups, and the like.
- these crosslinking agents can be used individually by 1 type or in combination of 2 or more types. These may be used as additives, but these crosslinkable groups may be introduced as pendant groups into the polymer side chain.
- a compound containing a hydroxy group can also be used as a crosslinking agent.
- the melamine compound include, for example, hexamethylol melamine, hexamethoxymethyl melamine, a compound in which 1 to 6 methylol groups of hexamethylol melamine are methoxymethylated or a mixture thereof, hexamethoxyethyl melamine, hexaacyloxymethyl melamine And a compound in which 1 to 6 methylol groups of hexamethylolmelamine are acyloxymethylated, or a mixture thereof.
- epoxy compound examples include tris (2,3-epoxypropyl) isocyanurate, trimethylolmethane triglycidyl ether, trimethylolpropane triglycidyl ether, triethylolethane triglycidyl ether, and the like.
- the guanamine compound include, for example, tetramethylolguanamine, tetramethoxymethylguanamine, a compound in which 1 to 4 methylol groups of tetramethylolguanamine are methoxymethylated, or a mixture thereof, tetramethoxyethylguanamine, tetraacyloxyguanamine, Examples thereof include compounds in which 1 to 4 methylol groups of tetramethylolguanamine are acyloxymethylated, or mixtures thereof.
- glycoluril compound examples include, for example, tetramethylol glycoluril, tetramethoxyglycoluril, tetramethoxymethylglycoluril, a compound in which 1 to 4 methylol groups of tetramethylolglycoluril are methoxymethylated, or a mixture thereof, Examples thereof include compounds in which 1 to 4 methylol groups of methylol glycoluril are acyloxymethylated, or mixtures thereof.
- urea compound examples include, for example, tetramethylol urea, tetramethoxymethyl urea, a compound in which 1 to 4 methylol groups of tetramethylol urea are methoxymethylated or a mixture thereof, tetramethoxyethyl urea, and the like.
- the compound containing an alkenyl ether group include, for example, ethylene glycol divinyl ether, triethylene glycol divinyl ether, 1,2-propanediol divinyl ether, 1,4-butanediol divinyl ether, tetramethylene glycol divinyl ether, neo Pentyl glycol divinyl ether, trimethylolpropane trivinyl ether, hexanediol divinyl ether, 1,4-cyclohexanediol divinyl ether, pentaerythritol trivinyl ether, pentaerythritol tetravinyl ether, sorbitol tetravinyl ether, sorbitol pentavinyl ether, trimethylolpropane trivinyl ether, etc. Can be mentioned.
- the content of the crosslinking agent is not particularly limited, but the compound represented by the general formula (1) and the resin having the structure represented by the general formula (2) 100 mass
- the amount is preferably 5 to 50 parts by mass, more preferably 10 to 40 parts by mass.
- the underlayer film forming material for lithography of the present embodiment may contain an acid generator as necessary from the viewpoint of further promoting the crosslinking reaction by heat.
- an acid generator those that generate acid by thermal decomposition and those that generate acid by light irradiation are known, and any of them can be used.
- an acid generator 1) an onium salt of the following general formula (P1a-1), (P1a-2), (P1a-3) or (P1b), 2) a diazomethane derivative of the following general formula (P2), 3) a glyoxime derivative of the following general formula (P3), 4) A bissulfone derivative of the following general formula (P4), 5) A sulfonic acid ester of an N-hydroxyimide compound of the following general formula (P5), 6) ⁇ -ketosulfonic acid derivative, 7) a disulfone derivative, 8) Nitrobenzyl sulfonate derivative, 9) Examples thereof include, but are not particularly limited to, sulfonic acid ester derivatives. In addition, these acid generators can be used individually by 1 type or in combination of 2 or more types.
- R 101a , R 101b and R 101c are each independently a linear, branched or cyclic alkyl group having 1 to 12 carbon atoms, an alkenyl group, an oxoalkyl group or an oxoalkenyl group, and 6 to 6 carbon atoms.
- 20 aryl groups, aralkyl groups having 7 to 12 carbon atoms, or aryloxoalkyl groups, part or all of hydrogen atoms of these groups may be substituted with alkoxy groups or the like.
- R 101b and R 101c may form a ring. When a ring is formed, R 101b and R 101c each independently represent an alkylene group having 1 to 6 carbon atoms.
- K ⁇ represents a non-nucleophilic counter ion.
- R 101d , R 101e , R 101f and R 101g are each independently represented by adding a hydrogen atom to R 101a , R 101b and R 101c .
- R 101d and R 101e , R 101d and R 101e and R 101f may form a ring, and in the case of forming a ring, R 101d and R 101e and R 101d , R 101e and R 101f have 3 carbon atoms.
- R 101a , R 101b , R 101c , R 101d , R 101e , R 101f and R 101g may be the same as or different from each other.
- the alkyl group includes methyl, ethyl, propyl, isopropyl, n-butyl, sec-butyl, tert-butyl, pentyl, hexyl, heptyl, octyl, cyclopentyl.
- alkenyl group examples include a vinyl group, an allyl group, a propenyl group, a butenyl group, a hexenyl group, and a cyclohexenyl group.
- oxoalkyl group examples include a 2-oxocyclopentyl group, a 2-oxocyclohexyl group, and the like.
- Examples of the oxoalkenyl group include 2-oxo-4-cyclohexenyl group and 2-oxo-4-propenyl group.
- Examples of the aryl group include a phenyl group, a naphthyl group, a p-methoxyphenyl group, an m-methoxyphenyl group, an o-methoxyphenyl group, an ethoxyphenyl group, a p-tert-butoxyphenyl group, and an m-tert-butoxyphenyl group.
- Alkylphenyl groups such as alkoxyphenyl groups, 2-methylphenyl groups, 3-methylphenyl groups, 4-methylphenyl groups, ethylphenyl groups, 4-tert-butylphenyl groups, 4-butylphenyl groups, dimethylphenyl groups, etc.
- Alkyl naphthyl groups such as methyl naphthyl group and ethyl naphthyl group, alkoxy naphthyl groups such as methoxy naphthyl group and ethoxy naphthyl group, dialkyl naphthyl groups such as dimethyl naphthyl group and diethyl naphthyl group, dimethoxy naphthyl group and diethoxy naphthyl group Dialkoxynaphthyl group And the like.
- the aralkyl group include a benzyl group, a phenylethyl group, and a phenethyl group.
- aryloxoalkyl groups examples include 2-aryl-2-oxoethyl groups, 2- (1-naphthyl) -2-oxoethyl groups, 2- (2-naphthyl) -2-oxoethyl groups, and the like. Groups and the like.
- K - a non-nucleophilic counter chloride ions as the ion, halide ions such as bromide ion, triflate, 1,1,1-trifluoroethane sulfonate, fluoroalkyl sulfonate such as nonafluorobutanesulfonate, tosylate, benzenesulfonate Aryl sulfonates such as 4-fluorobenzene sulfonate and 1,2,3,4,5-pentafluorobenzene sulfonate, and alkyl sulfonates such as mesylate and butane sulfonate.
- the heteroaromatic ring may be an imidazole derivative (for example, imidazole, 4-methyl Imidazole, 4-methyl-2-phenylimidazole, etc.), pyrazole derivatives, furazane derivatives, pyrroline derivatives (eg pyrroline, 2-methyl-1-pyrroline etc.), pyrrolidine derivatives (eg pyrrolidine, N-methylpyrrolidine, pyrrolidinone, N- Methylpyrrolidone etc.), imidazoline derivatives, imidazolidine derivatives, pyridine derivatives (eg pyridine, methylpyridine, ethylpyridine, propylpyridine, butylpyridine, 4- (1-butylpentyl) pyridine, dimethylpyridine, trimethylpyridine, triethylpyridine, phenylpyri
- imidazole derivative for example, imidazole, 4-methyl Imidazole, 4-methyl-2-phenylimidazole, etc.
- the general formula (P1a-1) and the general formula (P1a-2) are effective as both a photoacid generator and a thermal acid generator, but the general formula (P1a-3) acts as a thermal acid generator. To do.
- R 102a and R 102b each independently represent a linear, branched or cyclic alkyl group having 1 to 8 carbon atoms.
- R 103 represents a linear, branched or cyclic alkylene group having 1 to 10 carbon atoms.
- R 104a and R 104b each independently represents a 3-oxoalkyl group having 3 to 7 carbon atoms.
- K ⁇ represents a non-nucleophilic counter ion.
- R 102a and R 102b include a methyl group, an ethyl group, a propyl group, an isopropyl group, an n-butyl group, a sec-butyl group, a tert-butyl group, a pentyl group, a hexyl group, a heptyl group, and an octyl group.
- R 103 includes methylene group, ethylene group, propylene group, butylene group, pentylene group, hexylene group, heptylene group, octylene group, nonylene group, 1,4-cyclohexylene group, 1,2-cyclohexylene. Group, 1,3-cyclopentylene group, 1,4-cyclooctylene group, 1,4-cyclohexanedimethylene group and the like.
- R 104a and R 104b include a 2-oxopropyl group, a 2-oxocyclopentyl group, a 2-oxocyclohexyl group, and a 2-oxocycloheptyl group.
- K - is the formula (P1a-1), can be exemplified the same ones as described in (P1a-2) and (P1a-3).
- R 105 and R 106 are each independently a linear, branched or cyclic alkyl group or halogenated alkyl group having 1 to 12 carbon atoms, an aryl group having 6 to 20 carbon atoms or a halogenated group. An aryl group or an aralkyl group having 7 to 12 carbon atoms is shown.
- Examples of the alkyl group represented by R 105 and R 106 include methyl group, ethyl group, propyl group, isopropyl group, n-butyl group, sec-butyl group, tert-butyl group, pentyl group, hexyl group, heptyl group, octyl group, Examples include amyl group, cyclopentyl group, cyclohexyl group, cycloheptyl group, norbornyl group, adamantyl group and the like.
- halogenated alkyl group examples include a trifluoromethyl group, 1,1,1-trifluoroethyl group, 1,1,1-trichloroethyl group, nonafluorobutyl group and the like.
- aryl group an alkoxyphenyl group such as a phenyl group, p-methoxyphenyl group, m-methoxyphenyl group, o-methoxyphenyl group, ethoxyphenyl group, p-tert-butoxyphenyl group, m-tert-butoxyphenyl group, etc.
- alkylphenyl groups such as 2-methylphenyl group, 3-methylphenyl group, 4-methylphenyl group, ethylphenyl group, 4-tert-butylphenyl group, 4-butylphenyl group and dimethylphenyl group.
- halogenated aryl group include a fluorophenyl group, a chlorophenyl group, and 1,2,3,4,5-pentafluorophenyl group.
- aralkyl group include a benzyl group and a phenethyl group.
- R 107 , R 108 and R 109 are each independently a linear, branched or cyclic alkyl group or halogenated alkyl group having 1 to 12 carbon atoms, or an aryl group having 6 to 20 carbon atoms. Or a halogenated aryl group or an aralkyl group having 7 to 12 carbon atoms.
- R 108 and R 109 may be bonded to each other to form a cyclic structure.
- R 108 and R 109 each represent a linear or branched alkylene group having 1 to 6 carbon atoms. .
- Examples of the alkyl group, halogenated alkyl group, aryl group, halogenated aryl group, and aralkyl group of R 107 , R 108 , and R 109 include the same groups as those described for R 105 and R 106 .
- Examples of the alkylene group for R 108 and R 109 include a methylene group, an ethylene group, a propylene group, a butylene group, and a hexylene group.
- R 101a and R 101b are the same as described above.
- R 110 represents an arylene group having 6 to 10 carbon atoms, an alkylene group having 1 to 6 carbon atoms, or an alkenylene group having 2 to 6 carbon atoms, and part or all of the hydrogen atoms of these groups are Further, it may be substituted with a linear or branched alkyl group or alkoxy group having 1 to 4 carbon atoms, a nitro group, an acetyl group, or a phenyl group.
- R 111 represents a linear, branched or substituted alkyl group, alkenyl group, alkoxyalkyl group, phenyl group, or naphthyl group having 1 to 8 carbon atoms, and some or all of the hydrogen atoms of these groups are further An alkyl group or alkoxy group having 1 to 4 carbon atoms; a phenyl group optionally substituted with an alkyl group having 1 to 4 carbon atoms, an alkoxy group, a nitro group, or an acetyl group; a heteroaromatic group having 3 to 5 carbon atoms; Alternatively, it may be substituted with a chlorine atom or a fluorine atom.
- examples of the arylene group of R 110 include a 1,2-phenylene group and a 1,8-naphthylene group.
- examples of the alkylene group include methylene group, ethylene group, trimethylene group, tetramethylene group, phenylethylene group, norbornane-2,3-diyl group and the like.
- examples of the alkenylene group include a 1,2-vinylene group, a 1-phenyl-1,2-vinylene group, and a 5-norbornene-2,3-diyl group.
- Examples of the alkyl group for R 111 include the same groups as R 101a to R 101c .
- alkenyl group examples include vinyl group, 1-propenyl group, allyl group, 1-butenyl group, 3-butenyl group, isoprenyl group, 1-pentenyl group, 3-pentenyl group, 4-pentenyl group, dimethylallyl group, 1- Examples include a hexenyl group, a 3-hexenyl group, a 5-hexenyl group, a 1-heptenyl group, a 3-heptenyl group, a 6-heptenyl group, and a 7-octenyl group.
- alkoxyalkyl group methoxymethyl group, ethoxymethyl group, propoxymethyl group, butoxymethyl group, pentyloxymethyl group, hexyloxymethyl group, heptyloxymethyl group, methoxyethyl group, ethoxyethyl group, propoxyethyl group, Butoxyethyl group, pentyloxyethyl group, hexyloxyethyl group, methoxypropyl group, ethoxypropyl group, propoxypropyl group, butoxypropyl group, methoxybutyl group, ethoxybutyl group, propoxybutyl group, methoxypentyl group, ethoxypentyl group, A methoxyhexyl group, a methoxyheptyl group, etc. are mentioned.
- examples of the optionally substituted alkyl group having 1 to 4 carbon atoms include a methyl group, an ethyl group, a propyl group, an isopropyl group, an n-butyl group, an isobutyl group, and a tert-butyl group.
- examples of the alkoxy group having 1 to 4 carbon atoms include methoxy group, ethoxy group, propoxy group, isopropoxy group, n-butoxy group, isobutoxy group, tert-butoxy group and the like.
- Examples of the phenyl group which may be substituted with an alkyl group having 1 to 4 carbon atoms, an alkoxy group, a nitro group or an acetyl group include a phenyl group, a tolyl group, a p-tert-butoxyphenyl group, a p-acetylphenyl group, p -Nitrophenyl group and the like.
- Examples of the heteroaromatic group having 3 to 5 carbon atoms include a pyridyl group and a furyl group.
- tetramethylammonium trifluoromethanesulfonate tetramethylammonium nonafluorobutanesulfonate, triethylammonium nonafluorobutanesulfonate, pyridinium nonafluorobutanesulfonate, triethylammonium camphorsulfonate, pyridinium camphorsulfonate, nona Tetra n-butylammonium fluorobutanesulfonate, tetraphenylammonium nonafluorobutanesulfonate, tetramethylammonium p-toluenesulfonate, diphenyliodonium trifluoromethanesulfonate, phenyliodonium trifluoromethanesulfonate (p-tert-butoxyphenyl) phenyliodonium, p-Toluenesulf
- triphenylsulfonium trifluoromethanesulfonate trifluoromethanesulfonic acid (p-tert-butoxyphenyl) diphenylsulfonium, trifluoromethanesulfonic acid tris (p-tert-butoxyphenyl) sulfonium, p-toluenesulfonic acid Triphenylsulfonium, p-toluenesulfonic acid (p-tert-butoxyphenyl) diphenylsulfonium, p-toluenesulfonic acid tris (p-tert-butoxyphenyl) sulfonium, trifluoromethanesulfonic acid trinaphthylsulfonium, trifluoromethanesulfonic acid cyclohexylmethyl (2-oxo
- the content of the acid generator is not particularly limited, but the resin 100 having the compound represented by the general formula (1) and the structure represented by the general formula (2) described above.
- the amount is preferably 0.1 to 50 parts by mass, more preferably 0.5 to 40 parts by mass with respect to parts by mass.
- the material for forming a lower layer film for lithography according to the present embodiment may contain a basic compound from the viewpoint of improving storage stability.
- the basic compound serves as a quencher for the acid to prevent the acid generated in a trace amount from the acid generator from causing the crosslinking reaction to proceed.
- Examples of such basic compounds include primary, secondary, and tertiary aliphatic amines, hybrid amines, aromatic amines, heterocyclic amines, nitrogen-containing compounds having a carboxy group, and sulfonyl groups. Nitrogen-containing compounds having a hydroxyl group, nitrogen-containing compounds having a hydroxyl group, nitrogen-containing compounds having a hydroxyphenyl group, alcoholic nitrogen-containing compounds, amide derivatives, imide derivatives, and the like, but are not particularly limited thereto.
- the primary aliphatic amines include ammonia, methylamine, ethylamine, n-propylamine, isopropylamine, n-butylamine, isobutylamine, sec-butylamine, tert-butylamine, pentyl.
- Examples include amine, tert-amylamine, cyclopentylamine, hexylamine, cyclohexylamine, heptylamine, octylamine, nonylamine, decylamine, dodecylamine, cetylamine, methylenediamine, ethylenediamine, tetraethylenepentamine and the like.
- secondary aliphatic amines include dimethylamine, diethylamine, di-n-propylamine, diisopropylamine, di-n-butylamine, diisobutylamine, di-sec-butylamine, dipentylamine, dicyclopentylamine.
- tertiary aliphatic amines include trimethylamine, triethylamine, tri-n-propylamine, triisopropylamine, tri-n-butylamine, triisobutylamine, tri-sec-butylamine, tripentylamine, tripentylamine, Cyclopentylamine, trihexylamine, tricyclohexylamine, triheptylamine, trioctylamine, trinonylamine, tridecylamine, tridodecylamine, tricetylamine, N, N, N ′, N′-tetramethylmethylenediamine, Examples thereof include N, N, N ′, N′-tetramethylethylenediamine, N, N, N ′, N′-tetramethyltetraethylenepentamine and the like.
- the mixed amines include dimethylethylamine, methylethylpropylamine, benzylamine, phenethylamine, benzyldimethylamine and the like.
- aromatic amines and heterocyclic amines include aniline derivatives (for example, aniline, N-methylaniline, N-ethylaniline, N-propylaniline, N, N-dimethylaniline, 2-methylaniline, 3- Methylaniline, 4-methylaniline, ethylaniline, propylaniline, trimethylaniline, 2-nitroaniline, 3-nitroaniline, 4-nitroaniline, 2,4-dinitroaniline, 2,6-dinitroaniline, 3,5- Dinitroaniline, N, N-dimethyltoluidine, etc.), diphenyl (p-tolyl) amine, methyldiphenylamine, triphenylamine, phenylenediamine, naphthylamine, diaminona
- nitrogen-containing compound having a carboxy group examples include aminobenzoic acid, indolecarboxylic acid, amino acid derivatives (for example, nicotinic acid, alanine, arginine, aspartic acid, glutamic acid, glycine, histidine, isoleucine, glycylleucine, Leucine, methionine, phenylalanine, threonine, lysine, 3-aminopyrazine-2-carboxylic acid, methoxyalanine) and the like.
- aminobenzoic acid for example, nicotinic acid, alanine, arginine, aspartic acid, glutamic acid, glycine, histidine, isoleucine, glycylleucine, Leucine, methionine, phenylalanine, threonine, lysine, 3-aminopyrazine-2-carboxylic acid, methoxyalan
- nitrogen-containing compound having a sulfonyl group examples include 3-pyridinesulfonic acid and pyridinium p-toluenesulfonate.
- nitrogen-containing compounds having a hydroxyl group, nitrogen-containing compounds having a hydroxyphenyl group, and alcoholic nitrogen-containing compounds include 2-hydroxypyridine, aminocresol, 2,4-quinolinediol, 3-indolemethanol hydrate, mono Ethanolamine, diethanolamine, triethanolamine, N-ethyldiethanolamine, N, N-diethylethanolamine, triisopropanolamine, 2,2'-iminodiethanol, 2-aminoethanol, 3-amino-1-propanol, 4- Amino-1-butanol, 4- (2-hydroxyethyl) morpholine, 2- (2-hydroxyethyl) pyridine, 1- (2-hydroxyethyl) piperazine, 1- [2- (2-hydroxyethoxy) ethyl]
- amide derivative examples include formamide, N-methylformamide, N, N-dimethylformamide, acetamide, N-methylacetamide, N, N-dimethylacetamide, propionamide, benzamide and the like.
- imide derivative examples include phthalimide, succinimide, maleimide and the like.
- the content of the basic compound is not particularly limited, but the resin 100 having the structure represented by the compound represented by the general formula (1) or the general formula (2) described above.
- the amount is preferably 0.001 to 2 parts by mass, and more preferably 0.01 to 1 part by mass relative to parts by mass.
- the lower layer film forming material for lithography of the present embodiment may contain other resins and / or compounds for the purpose of imparting thermosetting properties and controlling the absorbance.
- Such other resins and / or compounds include naphthol resins, xylene resins, naphthol modified resins, phenol modified resins of naphthalene resins, polyhydroxystyrene, dicyclopentadiene resins, (meth) acrylates, dimethacrylates, trimethacrylates, tetra Resins containing no heterocyclic ring or aromatic ring such as methacrylate, vinyl naphthalene, polyacenaphthylene and other naphthalene rings, phenanthrenequinone, biphenyl rings such as fluorene, hetero rings having hetero atoms such as thiophene and indene; rosin resins; Examples thereof include resins or compounds containing an alicyclic structure such as cyclodextrin, adam
- the material for forming a lower layer film for lithography of the present embodiment may contain an organic solvent.
- Any known organic solvent can be used as long as it dissolves at least the compound represented by the general formula (1) and / or the resin having the structure represented by the general formula (2).
- Specific examples of the organic solvent include, for example, ketone solvents such as acetone, methyl ethyl ketone, methyl isobutyl ketone, cyclohexanone, cellosolv solvents such as propylene glycol monomethyl ether and propylene glycol monomethyl ether acetate, ethyl lactate, methyl acetate, ethyl acetate, Ester solvents such as butyl acetate, isoamyl acetate, ethyl lactate, methyl methoxypropionate, methyl hydroxyisobutyrate, alcohol solvents such as methanol, ethanol, isopropanol, 1-ethoxy-2-propanol, tolu
- cyclohexanone propylene glycol monomethyl ether, propylene glycol monomethyl ether acetate, ethyl lactate, methyl hydroxyisobutyrate, and anisole are particularly preferable from the viewpoint of safety.
- the content of the organic solvent is not particularly limited, but from the viewpoint of solubility and film formation, 100 mass of the resin having the compound represented by the general formula (1) and / or the structure represented by the general formula (2).
- the amount is preferably 100 to 10,000 parts by mass, more preferably 200 to 5,000 parts by mass with respect to parts.
- the lower layer film for lithography of this embodiment is formed from the above-described material for forming a lower layer film for lithography.
- a lower layer film is formed on the substrate using the above-described lower layer film forming material for lithography, and at least one photoresist layer is formed on the lower layer film. After that, a predetermined region of the photoresist layer is irradiated with radiation, and alkali development is performed.
- the multilayer resist pattern forming method of the present embodiment includes forming a lower layer film on the substrate using the above-described lithography lower layer film forming material, and a resist intermediate layer film containing silicon atoms on the lower layer film An intermediate layer film is formed using a material, and at least one photoresist layer is formed on the intermediate layer film. Then, a predetermined region of the photoresist layer is irradiated with radiation, and alkali development is performed to form a resist pattern. Then, the intermediate layer film is etched using the resist pattern as a mask, the lower layer film is etched using the obtained intermediate layer film pattern as an etching mask, and the substrate is etched using the obtained lower layer film pattern as an etching mask. Thus, a pattern is formed on the substrate.
- the formation method of the underlayer film for lithography of the present embodiment is not particularly limited as long as it is formed from the above-described material for forming an underlayer film for lithography, and a technique known in the art can be applied.
- a technique known in the art can be applied.
- the lower layer film forming material for lithography described above onto a substrate by a known coating method such as spin coating or screen printing or a printing method
- the lower layer film is removed by evaporating an organic solvent or the like. Can be formed.
- the baking temperature is not particularly limited, but is preferably in the range of 80 to 450 ° C., more preferably 200 to 400 ° C.
- the baking time is not particularly limited, but is preferably within the range of 10 to 300 seconds.
- the thickness of the lower layer film can be appropriately selected according to the required performance and is not particularly limited, but is usually preferably about 30 to 20,000 nm, more preferably 50 to 15,000 nm. It is preferable.
- a silicon-containing resist layer is formed thereon, or a single-layer resist made of ordinary hydrocarbons.
- a silicon-containing intermediate layer is formed thereon, and further thereon.
- a single-layer resist layer not containing silicon is produced. In this case, a well-known thing can be used as a photoresist material for forming this resist layer.
- a silicon-containing resist layer or a single layer resist made of normal hydrocarbon is formed on the lower layer film, and in the case of a three-layer process, the silicon layer is contained on the lower layer film.
- a single-layer resist layer not containing silicon can be produced on the intermediate layer and further on the silicon-containing intermediate layer.
- the photoresist material for forming the resist layer can be appropriately selected from known materials and is not particularly limited.
- a silicon-containing resist material for a two-layer process from the point of resistance to oxygen gas etching, a silicon atom-containing polymer such as a polysilsesquioxane derivative or a vinylsilane derivative is used as a base polymer, and an organic solvent, an acid generator, If necessary, a positive photoresist material containing a basic compound or the like is preferably used.
- a silicon atom-containing polymer a known polymer used in this type of resist material can be used.
- a polysilsesquioxane-based intermediate layer is preferably used as the silicon-containing intermediate layer for the three-layer process.
- the intermediate layer With an effect as an antireflection film, reflection can be suppressed.
- the k value increases and the substrate reflection tends to increase, but by suppressing the reflection in the intermediate layer, The substrate reflection can be reduced to 0.5% or less.
- polysilsesquioxane crosslinked with acid or heat into which a light absorbing group having a phenyl group or a silicon-silicon bond is introduced is preferably used for 193 nm exposure.
- an intermediate layer formed by a Chemical-Vapor-deposition (CVD) method can be used.
- a SiON film is known as an intermediate layer having a high effect as an antireflection film manufactured by a CVD method.
- the formation of the intermediate layer by a wet process such as spin coating or screen printing has a simpler and more cost-effective advantage than the CVD method.
- the upper layer resist in the three-layer process may be either a positive type or a negative type, and the same one as a commonly used single layer resist can be used.
- the lower layer film of this embodiment can also be used as an antireflection film for a normal single layer resist or a base material for suppressing pattern collapse. Since the lower layer film of this embodiment is excellent in etching resistance for the base processing, it can be expected to function as a hard mask for the base processing.
- a wet process such as spin coating or screen printing is preferably used as in the case of forming the lower layer film.
- prebaking is usually performed, but this prebaking is preferably performed at 80 to 180 ° C. for 10 to 300 seconds.
- a resist pattern can be obtained by performing exposure, post-exposure baking (PEB), and development.
- the thickness of the resist film is not particularly limited, but is generally preferably 30 to 500 nm, more preferably 50 to 400 nm.
- the exposure light may be appropriately selected and used according to the photoresist material to be used.
- high energy rays having a wavelength of 300 nm or less, specifically, 248 nm, 193 nm, 157 nm excimer laser, 3 to 20 nm soft X-ray, electron beam, X-ray and the like can be mentioned.
- the resist pattern formed by the above method is one in which pattern collapse is suppressed by the lower layer film of this embodiment. Therefore, by using the lower layer film of this embodiment, a finer pattern can be obtained, and the exposure amount necessary for obtaining the resist pattern can be reduced.
- gas etching is preferably used as the etching of the lower layer film in the two-layer process.
- gas etching etching using oxygen gas is suitable.
- an inert gas such as He or Ar, or CO, CO 2 , NH 3 , SO 2 , N 2 , NO 2 or H 2 gas can be added.
- the latter gas is used for side wall protection for preventing undercut of the pattern side wall.
- gas etching is also preferably used in the etching of the intermediate layer in the three-layer process.
- the gas etching the same one as described in the above two-layer process can be applied.
- the processing of the intermediate layer in the three-layer process is preferably performed using a fluorocarbon gas and a resist pattern as a mask.
- the lower layer film can be processed by, for example, oxygen gas etching using the intermediate layer pattern as a mask.
- a silicon oxide film, a silicon nitride film, or a silicon oxynitride film is formed by a CVD method, an ALD method, or the like.
- the method for forming the nitride film is described in, for example, Japanese Patent Application Laid-Open No. 2002-334869 (Patent Document 6) and WO 2004/066377 (Patent Document 7).
- a photoresist film can be directly formed on such an intermediate film, but an organic antireflection film (BARC) is formed on the intermediate film by spin coating, and a photoresist film is formed thereon. May be.
- an intermediate layer based on polysilsesquioxane is also preferably used.
- the resist intermediate layer film As an antireflection film, reflection can be suppressed.
- the material of the polysilsesquioxane-based intermediate layer is specifically described in, for example, JP-A-2007-226170 (Patent Document 8) and JP-A-2007-226204 (Patent Document 9).
- Etching of the next substrate can also be performed by a conventional method.
- the substrate is SiO 2 or SiN
- etching mainly using a chlorofluorocarbon gas and if p-Si, Al, or W is chlorine or bromine gas, Etching mainly composed of can be performed.
- the substrate processing is etched with chlorofluorocarbon gas, the silicon-containing resist in the two-layer resist process and the silicon-containing intermediate layer in the three-layer process are peeled off simultaneously with the substrate processing.
- the silicon-containing resist layer or the silicon-containing intermediate layer is peeled off separately, and generally dry etching peeling with a chlorofluorocarbon-based gas is performed after the substrate processing. .
- the lower layer film of this embodiment is characterized by excellent etching resistance of these substrates.
- a substrate known in the art can be appropriately selected and used, and is not particularly limited, but Si, ⁇ -Si, p-Si, SiO 2 , SiN, SiON, W, TiN, Al, etc. Is mentioned.
- the substrate may be a laminate having a film to be processed (substrate to be processed) on a base material (support). Examples of such processed films include various low-k films such as Si, SiO 2 , SiON, SiN, p-Si, ⁇ -Si, W, W-Si, Al, Cu, and Al-Si, and stopper films thereof. In general, a material different from the base material (support) is used.
- the thickness of the substrate to be processed or the film to be processed is not particularly limited, but it is usually preferably about 50 to 10,000 nm, more preferably 75 to 5,000 nm.
- the obtained compound (BisN-1) had a carbon concentration of 84.5% and an oxygen concentration of 10.3%. It can be seen that the etching resistance is high because the carbon content is high and the oxygen content is low. It was 464 as a result of measuring molecular weight by the said method about the obtained compound.
- thermogravimetry TG
- the thermal decomposition temperature of the obtained compound (BisN-1) was 410 ° C. It has high heat resistance and can be applied to high-temperature baking.
- the solubility of PGMEA and PGMEA was excellent at 20 wt% or more (Evaluation A). Therefore, high storage stability in a solution state and applicability to an edge beat rinse liquid (PGME / PGMEA mixed liquid) widely used in a semiconductor microfabrication process can be expected.
- Synthesis Example 12 Synthesis of BisN-12 Instead of 1.82 g (10 mmol) of 4-biphenylcarboxaldehyde (Mitsubishi Gas Chemical Co., Ltd.), 0.67 g (5 mmol) of terephthalaldehyde (Sigma-Aldrich Reagent) is used. Except for the above, the same operation as in Synthesis Example 1 was carried out to obtain 0.1 g of the target compound (BisN-12) represented by the following formula. As a result of organic elemental analysis, the obtained compound (BisN-12) had a carbon concentration of 82.0% and an oxygen concentration of 13.7%. It can be seen that the etching resistance is high because the carbon content is high and the oxygen content is low.
- Synthesis Example 13 Synthesis of BisN-13 Instead of 1.82 g (10 mmol) of 4-biphenylcarboxaldehyde (manufactured by Mitsubishi Gas Chemical Company), 1.05 g of 4,4′-diformylbiphenyl (reagent manufactured by Sigma-Aldrich) 0.1 g of the target compound (BisN-13) represented by the following formula was obtained by the same operation as in Synthesis Example 1 except that (5 mmol) was used. As a result of organic elemental analysis, the obtained compound (BisN-13) had a carbon concentration of 83.3% and an oxygen concentration of 12.3%. It can be seen that the etching resistance is high because the carbon content is high and the oxygen content is low.
- the obtained solid was filtered and dried, followed by separation and purification by column chromatography to obtain 7.2 g of a target resin (RBisN-1) having a structure represented by the following formula.
- the obtained resin (RBisN-1) had a carbon concentration of 85.0% and an oxygen concentration of 10.0%. It can be seen that the etching resistance is high because the carbon content is high and the oxygen content is low.
- the obtained resin was measured for polystyrene-reduced molecular weight by the above-described method, and the results were Mn: 778, Mw: 1793, and Mw / Mn: 2.30.
- the molecular weight in terms of polystyrene was measured by the above method, and as a result, Mn: 562, Mw: 1168, and Mw / Mn: 2.08.
- the obtained resin was subjected to NMR measurement under the above measurement conditions, the following peaks were found and confirmed to have a chemical structure of the following formula. ⁇ (ppm) 9.7 (2H, OH), 7.2 to 8.8 (26H, Ph—H), 6.6 (1H, C—H), 4.5 (1H, —CH 2 )
- TG thermogravimetry
- the thermal decomposition temperature of the obtained resin (RBisN-2) was 405 ° C. It has high heat resistance and can be applied to high-temperature baking.
- the solubility of PGME and PGMEA was 3 wt% or more and less than 20 wt% (Evaluation B). Therefore, high storage stability in a solution state and applicability to an edge beat rinse liquid (PGME / PGMEA mixed liquid) widely used in a semiconductor microfabrication process can be expected.
- the obtained resin (CR-1) was Mn: 885, Mw: 2220, and Mw / Mn: 4.17.
- the carbon concentration was 89.1% by mass, and the oxygen concentration was 4.5% by mass.
- Etching resistance was evaluated according to the following procedure. First, a novolac underlayer film was prepared under the same conditions as in Example 1 except that novolak (PSM4357 manufactured by Gunei Chemical Co., Ltd.) was used instead of the compound (BisN-1) in Example 1. Then, the above-described etching test of the novolak underlayer film was performed, and the etching rate at that time was measured.
- novolak PSM4357 manufactured by Gunei Chemical Co., Ltd.
- Acid generator Ditertiary butyl diphenyl iodonium nonafluoromethanesulfonate (DTDPI) manufactured by Midori Chemical Co., Ltd.
- Cross-linking agent Nikalac MX270 (Nikalac) manufactured by Sanwa Chemical Co., Ltd.
- Organic solvent cyclohexanone (CHN)
- Novolak PSM4357 manufactured by Gunei Chemical Co., Ltd.
- Examples 17 to 32, Comparative Example 2> the solution of the material for forming a lower layer film for lithography in Examples 1 to 16 was applied on a SiO 2 substrate having a film thickness of 300 nm, and baked at 240 ° C. for 60 seconds and further at 400 ° C. for 120 seconds, A lower layer film of 80 nm was formed. On this lower layer film, an ArF resist solution was applied and baked at 130 ° C. for 60 seconds to form a 150 nm-thick photoresist layer.
- the photoresist layer was subjected to mask exposure using an electron beam lithography apparatus (ELIONX, ELS-7500, 50 keV), baked at 115 ° C. for 90 seconds (PEB), and 2.38 mass% tetramethylammonium hydroxide.
- ELIONX electron beam lithography apparatus
- PEB baked at 115 ° C. for 90 seconds
- TMAH aqueous solution of
- Table 2 shows the results of observation of the obtained resist patterns of 55 nm L / S (1: 1) and 80 nm L / S (1: 1) for each of Examples 17 to 32 and Comparative Example 2.
- Examples 33 to 48> The lower layer film forming material solution for lithography of Examples 1 to 16 was applied onto a 300 nm thick SiO 2 substrate and baked at 240 ° C. for 60 seconds and further at 400 ° C. for 120 seconds to form a lower layer film having a thickness of 80 nm. A film was formed. On this lower layer film, a silicon-containing intermediate layer material was applied and baked at 200 ° C. for 60 seconds to form an intermediate layer film having a thickness of 35 nm. Furthermore, the ArF resist solution used in Example 17 was applied onto this intermediate layer film, and baked at 130 ° C. for 60 seconds to form a 150 nm thick photoresist layer.
- the silicon-containing intermediate layer material As the silicon-containing intermediate layer material, a silicon atom-containing polymer described in JP-A-2007-226170 ⁇ Synthesis Example 1> was used. Next, the photoresist layer was subjected to mask exposure using an electron beam drawing apparatus (ELIONS Corp .; ELS-7500, 50 keV), baked at 115 ° C. for 90 seconds (PEB), and 2.38 mass% tetramethylammonium hydroxide. By developing with (TMAH) aqueous solution for 60 seconds, a positive resist pattern of 55 nm L / S (1: 1) was obtained.
- ELIONS Corp . ELS-7500, 50 keV
- PEB baked at 115 ° C. for 90 seconds
- TMAH tetramethylammonium hydroxide
- the silicon-containing intermediate layer film (SOG) was dry-etched using the obtained resist pattern as a mask, and then the obtained silicon-containing intermediate layer film pattern was Dry etching processing of the lower layer film using the mask and dry etching processing of the SiO 2 film using the obtained lower layer film pattern as a mask were sequentially performed.
- the lower film forming material and lower film for lithography of the present invention have a relatively high carbon concentration, a relatively low oxygen concentration, a relatively high heat resistance, a relatively high solvent solubility, and a wet process. Since it is applicable, it can be used widely and effectively in various applications that require these performances.
- the present invention provides, for example, an electrical insulating material, a resist resin, a semiconductor sealing resin, an adhesive for printed wiring boards, an electrical laminate mounted on electrical equipment / electronic equipment / industrial equipment, etc. ⁇
- Matrix resin for prepregs, built-up laminate materials, resin for fiber reinforced plastics, sealing resin for liquid crystal display panels, paints, various coating agents, adhesives, and coatings for semiconductors installed in electronic equipment and industrial equipment It can be used widely and effectively in an agent, a resist resin for a semiconductor, a resin for forming a lower layer film, and the like, and can be used particularly effectively in the field of a lower layer film for lithography and a lower layer film for multilayer resist.
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Medicinal Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Materials For Photolithography (AREA)
- Photosensitive Polymer And Photoresist Processing (AREA)
- Pyrane Compounds (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Abstract
Description
<1> 下記一般式(1)で示される化合物を含有することを特徴とする、
リソグラフィー用下層膜形成材料。
<2> 前記一般式(1)で示される化合物が、下記一般式(1a)で示される化合物であることを特徴とする、
上記<1>に記載のリソグラフィー用下層膜形成材料。
リソグラフィー用下層膜形成材料。
上記<1>~<3>のいずれか一項に記載のリソグラフィー用下層膜形成材料。
上記<1>~<4>のいずれか一項に記載のリソグラフィー用下層膜形成材料。
上記<1>~<5>のいずれか一項に記載のリソグラフィー用下層膜形成材料。
リソグラフィー用下層膜。
パターン形成方法。
パターン形成方法。
(リソグラフィー用下層膜形成材料)
本実施形態のリソグラフィー用下層膜形成材料は、下記一般式(1)で示される化合物を少なくとも含有するものである。
ここで、上記一般式(1)で示される化合物をノボラック化する際に用いるアルデヒドとしては、例えば、ホルムアルデヒド、トリオキサン、パラホルムアルデヒド、ベンズアルデヒド、アセトアルデヒド、プロピルアルデヒド、フェニルアセトアルデヒド、フェニルプロピルアルデヒド、ヒドロキシベンズアルデヒド、クロロベンズアルデヒド、ニトロベンズアルデヒド、メチルベンズアルデヒド、エチルベンズアルデヒド、ブチルベンズアルデヒド、ビフェニルアルデヒド、ナフトアルデヒド、アントラセンカルボアルデヒド、フェナントレンカルボアルデヒド、ピレンカルボアルデヒド、フルフラール等が挙げられるが、これらに特に限定されない。これらの中でも、ホルムアルデヒドがより好ましい。なお、これらのアルデヒド類は、1種を単独で又は2種以上を組み合わせて用いることができる。また、上記アルデヒド類の使用量は、特に限定されないが、上記一般式(1)で示される化合物1モルに対して、0.2~5モルが好ましく、より好ましくは0.5~2モルである。
本実施形態のリソグラフィー用下層膜形成材料は、上述した一般式(1)で示される化合物及び/又は一般式(2)で示される構造を有する樹脂以外に、必要に応じて、架橋剤、酸発生剤、有機溶媒等の他の成分を含んでいてもよい。以下、これらの任意成分について説明する。
本実施形態で使用可能な架橋剤の具体例としては、例えば、メラミン化合物、グアナミン化合物、グリコールウリル化合物又はウレア化合物、エポキシ化合物、チオエポキシ化合物、イソシアネート化合物、アジド化合物、アルケニルエーテル基などの2重結合を含む化合物であって、メチロール基、アルコキシメチル基、アシロキシメチル基から選ばれる少なくとも一つの基で置換されたものなどが挙げるが、これらに特に限定されない。なお、これらの架橋剤は、1種を単独で或いは2種以上を組み合わせて用いることができる。また、これらは添加剤として用いてもよいが、これら架橋性基をポリマー側鎖にペンダント基として導入してもよい。また、ヒドロキシ基を含む化合物も架橋剤として用いることができる。
1)下記一般式(P1a-1)、(P1a-2)、(P1a-3)又は(P1b)のオニウム塩、
2)下記一般式(P2)のジアゾメタン誘導体、
3)下記一般式(P3)のグリオキシム誘導体、
4)下記一般式(P4)のビススルホン誘導体、
5)下記一般式(P5)のN-ヒドロキシイミド化合物のスルホン酸エステル、
6)β-ケトスルホン酸誘導体、
7)ジスルホン誘導体、
8)ニトロベンジルスルホネート誘導体、
9)スルホン酸エステル誘導体
等が挙げられるが、これらに特に限定されない。なお、これらの酸発生剤は、1種を単独で或いは2種以上を組み合わせて用いることができる。
これらのなかでも、特に、トリフルオロメタンスルホン酸トリフェニルスルホニウム、トリフルオロメタンスルホン酸(p-tert-ブトキシフェニル)ジフェニルスルホニウム、トリフルオロメタンスルホン酸トリス(p-tert-ブトキシフェニル)スルホニウム、p-トルエンスルホン酸トリフェニルスルホニウム、p-トルエンスルホン酸(p-tert-ブトキシフェニル)ジフェニルスルホニウム、p-トルエンスルホン酸トリス(p-tert-ブトキシフェニル)スルホニウム、トリフルオロメタンスルホン酸トリナフチルスルホニウム、トリフルオロメタンスルホン酸シクロヘキシルメチル(2-オキソシクロヘキシル)スルホニウム、トリフルオロメタンスルホン酸(2-ノルボニル)メチル(2-オキソシクロヘキシル)スルホニウム、1,2’-ナフチルカルボニルメチルテトラヒドロチオフェニウムトリフレート等のオニウム塩、ビス(ベンゼンスルホニル)ジアゾメタン、ビス(p-トルエンスルホニル)ジアゾメタン、ビス(シクロヘキシルスルホニル)ジアゾメタン、ビス(n-ブチルスルホニル)ジアゾメタン、ビス(イソブチルスルホニル)ジアゾメタン、ビス(sec-ブチルスルホニル)ジアゾメタン、ビス(n-プロピルスルホニル)ジアゾメタン、ビス(イソプロピルスルホニル)ジアゾメタン、ビス(tert-ブチルスルホニル)ジアゾメタン等のジアゾメタン誘導体、ビス-(p-トルエンスルホニル)-α-ジメチルグリオキシム、ビス-(n-ブタンスルホニル)-α-ジメチルグリオキシム等のグリオキシム誘導体、ビスナフチルスルホニルメタン等のビススルホン誘導体、N-ヒドロキシスクシンイミドメタンスルホン酸エステル、N-ヒドロキシスクシンイミドトリフルオロメタンスルホン酸エステル、N-ヒドロキシスクシンイミド1-プロパンスルホン酸エステル、N-ヒドロキシスクシンイミド2-プロパンスルホン酸エステル、N-ヒドロキシスクシンイミド1-ペンタンスルホン酸エステル、N-ヒドロキシスクシンイミドp-トルエンスルホン酸エステル、N-ヒドロキシナフタルイミドメタンスルホン酸エステル、N-ヒドロキシナフタルイミドベンゼンスルホン酸エステル等のN-ヒドロキシイミド化合物のスルホン酸エステル誘導体が好ましく用いられる。
有機溶媒の具体例としては、例えば、アセトン、メチルエチルケトン、メチルイソブチルケトン、シクロヘキサノン等のケトン系溶媒、プロピレングリコールモノメチルエーテル、プロピレングリコールモノメチルエーテルアセテート等のセロソルブ系溶媒、乳酸エチル、酢酸メチル、酢酸エチル、酢酸ブチル、酢酸イソアミル、乳酸エチル、メトキシプロピオン酸メチル、ヒドロキシイソ酪酸メチル等のエステル系溶媒、メタノール、エタノール、イソプロパノール、1-エトキシ-2-プロパノール等のアルコール系溶媒、トルエン、キシレン、アニソール等の芳香族系炭化水素等が挙げられるが、これらに特に限定されない。これらの有機溶媒は、1種を単独で或いは2種以上を組み合わせて用いることができる。
本実施形態のリソグラフィー用下層膜は、前述のリソグラフィー用下層膜形成材料から形成されることを特徴とする。
このような中間層膜の上に直接フォトレジスト膜を形成することができるが、中間層膜の上に有機反射防止膜(BARC)をスピンコートで形成して、その上にフォトレジスト膜を形成してもよい。
なお、基板は、当業界で公知のものを適宜選択して使用することができ、特に限定されないが、Si、α-Si、p-Si、SiO2、SiN、SiON、W、TiN、Al等が挙げられる。また、基板は、基材(支持体)上に被加工膜(被加工基板)を有する積層体であってもよい。このような被加工膜としては、Si、SiO2、SiON、SiN、p-Si、α-Si、W、W-Si、Al、Cu、Al-Si等種々のLow-k膜及びそのストッパー膜等が挙げられ、通常、基材(支持体)とは異なる材質のものが用いられる。なお、加工対象となる基板或いは被加工膜の厚さは、特に限定されないが、通常、50~10,000nm程度であることが好ましく、より好ましくは75~5,000nmである。
有機元素分析により炭素濃度及び酸素濃度(質量%)を測定した。
装置:CHNコーダーMT-6(ヤナコ分析工業(株)製)
-分子量-
GC-MS分析により、Agilent社製Agilent5975/6890Nを用いて測定した。あるいは、LC-MS分析により、Water社製Acquity UPLC/MALDI-Synapt HDMSを用いて測定した。
-ポリスチレン換算分子量-
ゲル浸透クロマトグラフィー(GPC)分析により、ポリスチレン換算の重量平均分子量(Mw)、数平均分子量(Mn)を求め、分散度(Mw/Mn)を求めた。
装置:Shodex GPC-101型(昭和電工(株)製)
カラム:KF-80M×3
溶離液:THF 1ml/min
温度:40℃
-熱分解温度(Tg)-
エスアイアイ・ナノテクノロジー社製EXSTAR6000DSC装置を使用し、試料約5mgをアルミニウム製非密封容器に入れ、窒素ガス(30ml/min)気流中昇温速度10℃/minで500℃まで昇温した。その際、ベースラインに減少部分が現れる温度を熱分解温度(Tg)とした。
-溶解度-
23℃にて、化合物の1-メトキシ-2-プロパノール(PGME)及びプロピレングリコールモノメチルエーテルアセテート(PGMEA)に対する溶解量を測定し、その結果を以下の基準で評価した。
評価A:10wt%以上
評価B:3wt%以上10wt%未満
評価C:3wt%未満
攪拌機、冷却管及びビュレットを備えた内容積100mlの容器に、2,6-ナフタレンジオール(シグマ-アルドリッチ社製試薬)1.60g(10mmol)と、4-ビフェニルアルデヒド(三菱瓦斯化学社製)1.82g(10mmol)と、メチルイソブチルケトン30mlとを仕込み、95%の硫酸5mlを加えて、反応液を100℃で6時間撹拌して反応を行った。次に、反応液を濃縮し、純水50gを加えて反応生成物を析出させ、室温まで冷却した後、濾過を行って分離した。得られた固形物を濾過し、乾燥させた後、カラムクロマトによる分離精製を行うことにより、下記式で示される目的化合物(BisN-1)3.05gを得た。
なお、400MHz-1H-NMRにより以下のピークが見出され、下記式の化学構造を有することを確認した。また、2,6-ジヒドロキシナフトールの置換位置が1位であることは、3位と4位のプロトンのシグナルがダブレットであることから確認した。
1H-NMR:(d-DMSO、内部標準TMS)
δ(ppm)9.7(2H,O-H)、7.2~8.5(19H,Ph-H)、6.6(1H,C-H)
得られた化合物について、前記方法により分子量を測定した結果、464であった。
熱重量測定(TG)の結果、得られた化合物(BisN-1)の熱分解温度は410℃であった。高い耐熱性を有し、高温ベークへの適用が可能となる。
PGME及びPGMEA溶解性は、20wt%以上(評価A)と優秀であった。そのため、溶液状態での高い保存安定性及び半導体微細加工プロセスで広く用いられるエッジビートリンス液(PGME/PGMEA混合液)への適用性が期待できる。
2,6-ナフタレンジオール3.20g(20mmol)に代えて2,7-ナフタレンジオール(シグマ-アルドリッチ社製試薬)3.20g(20mmol)を用いること以外は、合成例1と同様に操作することにより、下記式で示される目的化合物(BisN-2)を0.2g得た。
有機元素分析の結果、得られた化合物(BisN-2)の炭素濃度は84.5%、酸素濃度は10.3%であった。炭素含有率が高く、酸素含有率が低いことから高いエッチング耐性が高いことがわかる。
得られた化合物について、前記方法により分子量を測定した結果、464であった。
得られた化合物について、前記測定条件でNMR測定を行ったところ、以下のピークが見出され、下記式の化学構造を有することを確認した。
δ(ppm)9.7(2H,O-H)、7.2~8.5(19H,Ph-H)、6.6(1H,C-H)
熱重量測定(TG)の結果、得られた化合物(BisN-2)の熱分解温度は410℃であった。高い耐熱性を有し、高温ベークへの適用が可能となる。
PGME及びPGMEA溶解性は、3wt%以上20wt%未満(評価B)と良好であった。そのため、溶液状態での高い保存安定性及び半導体微細加工プロセスで広く用いられるエッジビートリンス液(PGME/PGMEA混合液)への適用性が期待できる。
2,6-ナフタレンジオール3.20g(20mmol)に代えて1,5-ナフタレンジオール(シグマ-アルドリッチ社製試薬)3.20g(20mmol)を用いること以外は、合成例1と同様に操作することにより、下記式で示される目的化合物(BisN-3)を0.2g得た。
有機元素分析の結果、得られた化合物(BisN-3)の炭素濃度は84.5%、酸素濃度は10.3%であった。炭素含有率が高く、酸素含有率が低いことから高いエッチング耐性が高いことがわかる。
得られた化合物について、前記方法により分子量を測定した結果、464であった。
得られた化合物について、前記測定条件でNMR測定を行ったところ、以下のピークが見出され、下記式の化学構造を有することを確認した。
δ(ppm)9.7(2H,O-H)、7.2~8.5(19H,Ph-H)、6.6(1H,C-H)
熱重量測定(TG)の結果、得られた化合物(BisN-3)の熱分解温度は410℃であった。高い耐熱性を有し、高温ベークへの適用が可能となる。
PGME及びPGMEA溶解性は、3wt%以上20wt%未満(評価B)と良好であった。そのため、溶液状態での高い保存安定性及び半導体微細加工プロセスで広く用いられるエッジビートリンス液(PGME/PGMEA混合液)への適用性が期待できる。
2,6-ナフタレンジオール3.20g(20mmol)に代えて1,6-ナフタレンジオール(シグマ-アルドリッチ社製試薬)3.20g(20mmol)を用いること以外は、合成例1と同様に操作することにより、下記式で示される目的化合物(BisN-4)を0.2g得た。
有機元素分析の結果、得られた化合物(BisN-4)の炭素濃度は84.5%、酸素濃度は10.3%であった。炭素含有率が高く、酸素含有率が低いことから高いエッチング耐性が高いことがわかる。
得られた化合物について、前記方法により分子量を測定した結果、464であった。
得られた化合物について、前記測定条件でNMR測定を行ったところ、以下のピークが見出され、下記式の化学構造を有することを確認した。
δ(ppm)9.7(2H,O-H)、7.2~8.5(19H,Ph-H)、6.6(1H,C-H)
熱重量測定(TG)の結果、得られた化合物(BisN-4)の熱分解温度は410℃であった。高い耐熱性を有し、高温ベークへの適用が可能となる。
PGME及びPGMEA溶解性は、3wt%以上20wt%未満(評価B)と良好であった。そのため、溶液状態での高い保存安定性及び半導体微細加工プロセスで広く用いられるエッジビートリンス液(PGME/PGMEA混合液)への適用性が期待できる。
2,6-ナフタレンジオール3.20g(20mmol)に代えて1,7-ナフタレンジオール(シグマ-アルドリッチ社製試薬)3.20g(20mmol)を用いること以外は、合成例1と同様に操作することにより、下記式で示される目的化合物(BisN-5)を0.2g得た。
有機元素分析の結果、得られた化合物(BisN-5)の炭素濃度は84.5%、酸素濃度は10.3%であった。炭素含有率が高く、酸素含有率が低いことから高いエッチング耐性が高いことがわかる。
得られた化合物について、前記方法により分子量を測定した結果、464であった。
得られた化合物について、前記測定条件でNMR測定を行ったところ、以下のピークが見出され、下記式の化学構造を有することを確認した。
δ(ppm)9.7(2H,O-H)、7.2~8.5(19H,Ph-H)、6.6(1H,C-H)
熱重量測定(TG)の結果、得られた化合物(BisN-5)の熱分解温度は410℃であった。高い耐熱性を有し、高温ベークへの適用が可能となる。
PGME及びPGMEA溶解性は、3wt%以上20wt%未満(評価B)と良好であった。そのため、溶液状態での高い保存安定性及び半導体微細加工プロセスで広く用いられるエッジビートリンス液(PGME/PGMEA混合液)への適用性が期待できる。
2,6-ナフタレンジオール3.20g(20mmol)に代えて2,3-ナフタレンジオール(シグマ-アルドリッチ社製試薬)3.20g(20mmol)を用いること以外は、合成例1と同様に操作することにより、下記式で示される目的化合物(BisN-6)を0.2g得た。
有機元素分析の結果、得られた化合物(BisN-6)の炭素濃度は84.5%、酸素濃度は10.3%であった。炭素含有率が高く、酸素含有率が低いことから高いエッチング耐性が高いことがわかる。
得られた化合物について、前記方法により分子量を測定した結果、464であった。
得られた化合物について、前記測定条件でNMR測定を行ったところ、以下のピークが見出され、下記式の化学構造を有することを確認した。
δ(ppm)9.7(2H,O-H)、7.2~8.5(19H,Ph-H)、6.6(1H,C-H)
熱重量測定(TG)の結果、得られた化合物(BisN-6)の熱分解温度は410℃であった。高い耐熱性を有し、高温ベークへの適用が可能となる。
PGME及びPGMEA溶解性は、3wt%以上20wt%未満(評価B)と良好であった。そのため、溶液状態での高い保存安定性及び半導体微細加工プロセスで広く用いられるエッジビートリンス液(PGME/PGMEA混合液)への適用性が期待できる。
4-ビフェニルカルボキシアルデヒド(三菱瓦斯化学社製)1.82g(10mmol)に代えて1-ナフトアルデヒド(シグマ-アルドリッチ社製試薬)1.56g(10mmol)を用いること以外は、合成例1と同様に操作することにより、下記式で示される目的化合物(BisN-7)を0.2g得た。
有機元素分析の結果、得られた化合物(BisN-7)の炭素濃度は84.5%、酸素濃度は10.9%であった。炭素含有率が高く、酸素含有率が低いことから高いエッチング耐性が高いことがわかる。
得られた化合物について、前記方法により分子量を測定した結果、440であった。
得られた化合物について、前記測定条件でNMR測定を行ったところ、以下のピークが見出され、下記式の化学構造を有することを確認した。
δ(ppm)9.7(2H,O-H)、7.2~8.5(17H,Ph-H)、6.6(1H,C-H)
熱重量測定(TG)の結果、得られた化合物(BisN-7)の熱分解温度は415℃であった。高い耐熱性を有し、高温ベークへの適用が可能となる。
PGME及びPGMEA溶解性は、3wt%以上20wt%未満(評価B)と良好であった。そのため、溶液状態での高い保存安定性及び半導体微細加工プロセスで広く用いられるエッジビートリンス液(PGME/PGMEA混合液)への適用性が期待できる。
4-ビフェニルカルボキシアルデヒド(三菱瓦斯化学社製)1.82g(10mmol)に代えて9-フェナントレンアルデヒド(和光純薬工業社製試薬)2.06g(10mmol)を用いること以外は、合成例1と同様に操作することにより、下記式で示される目的化合物(BisN-8)を0.2g得た。
有機元素分析の結果、得られた化合物(BisN-8)の炭素濃度は85.7%、酸素濃度は9.8%であった。炭素含有率が高く、酸素含有率が低いことから高いエッチング耐性が高いことがわかる。
得られた化合物について、前記方法により分子量を測定した結果、490であった。
得られた化合物について、前記測定条件でNMR測定を行ったところ、以下のピークが見出され、下記式の化学構造を有することを確認した。
δ(ppm)9.7(2H,O-H)、7.2~8.5(19H,Ph-H)、6.6(1H,C-H)
熱重量測定(TG)の結果、得られた化合物(BisN-8)の熱分解温度は415℃であった。高い耐熱性を有し、高温ベークへの適用が可能となる。
PGME及びPGMEA溶解性は、3wt%以上20wt%未満(評価B)と良好であった。そのため、溶液状態での高い保存安定性及び半導体微細加工プロセスで広く用いられるエッジビートリンス液(PGME/PGMEA混合液)への適用性が期待できる。
4-ビフェニルカルボキシアルデヒド(三菱瓦斯化学社製)1.82g(10mmol)に代えて1-ピレンアルデヒド(シグマ-アルドリッチ社製試薬)2.30g(10mmol)を用いること以外は、合成例1と同様に操作することにより、下記式で示される目的化合物(BisN-9)を0.2g得た。
有機元素分析の結果、得られた化合物(BisN-9)の炭素濃度は86.4%、酸素濃度は9.3%であった。炭素含有率が高く、酸素含有率が低いことから高いエッチング耐性が高いことがわかる。
得られた化合物について、前記方法により分子量を測定した結果、514であった。
得られた化合物について、前記測定条件でNMR測定を行ったところ、以下のピークが見出され、下記式の化学構造を有することを確認した。
δ(ppm)9.7(2H,O-H)、7.2~8.5(19H,Ph-H)、6.6(1H,C-H)
熱重量測定(TG)の結果、得られた化合物(BisN-9)の熱分解温度は420℃であった。高い耐熱性を有し、高温ベークへの適用が可能となる。
PGME及びPGMEA溶解性は、3wt%以上20wt%未満(評価B)と良好であった。そのため、溶液状態での高い保存安定性及び半導体微細加工プロセスで広く用いられるエッジビートリンス液(PGME/PGMEA混合液)への適用性が期待できる。
4-ビフェニルカルボキシアルデヒド(三菱瓦斯化学社製)1.82g(10mmol)に代えてシクロヘキサノン(シグマ-アルドリッチ社製試薬)0.98g(10mmol)を用いること以外は、合成例1と同様に操作することにより、下記式で示される目的化合物(BisN-10)を0.2g得た。
有機元素分析の結果、得られた化合物(BisN-10)の炭素濃度は81.7%、酸素濃度は12.6%であった。炭素含有率が高く、酸素含有率が低いことから高いエッチング耐性が高いことがわかる。
得られた化合物について、前記方法により分子量を測定した結果、382であった。
得られた化合物について、前記測定条件でNMR測定を行ったところ、以下のピークが見出され、下記式の化学構造を有することを確認した。
δ(ppm)9.7(2H,O-H)、7.2~8.5(10H,Ph-H)、2.1~2.5(10H,C-H)
熱重量測定(TG)の結果、得られた化合物(BisN-10)の熱分解温度は400℃であった。高い耐熱性を有し、高温ベークへの適用が可能となる。
PGME及びPGMEA溶解性は、3wt%以上20wt%未満(評価B)と良好であった。そのため、溶液状態での高い保存安定性及び半導体微細加工プロセスで広く用いられるエッジビートリンス液(PGME/PGMEA混合液)への適用性が期待できる。
4-ビフェニルカルボキシアルデヒド(三菱瓦斯化学社製)1.82g(10mmol)に代えて9-フルオレノン(シグマ-アルドリッチ社製試薬)1.80g(10mmol)を用いること以外は、合成例1と同様に操作することにより、下記式で示される目的化合物(BisN-11)を0.2g得た。
有機元素分析の結果、得られた化合物(BisN-11)の炭素濃度は85.3%、酸素濃度は10.3%であった。炭素含有率が高く、酸素含有率が低いことから高いエッチング耐性が高いことがわかる。
得られた化合物について、前記方法により分子量を測定した結果、464であった。
得られた化合物について、前記測定条件でNMR測定を行ったところ、以下のピークが見出され、下記式の化学構造を有することを確認した。
δ(ppm)9.7(2H,O-H)、7.2~8.5(18H,Ph-H)
熱重量測定(TG)の結果、得られた化合物(BisN-11)の熱分解温度は450℃であった。高い耐熱性を有し、高温ベークへの適用が可能となる。
PGME及びPGMEA溶解性は、3wt%以上20wt%未満(評価B)と良好であった。そのため、溶液状態での高い保存安定性及び半導体微細加工プロセスで広く用いられるエッジビートリンス液(PGME/PGMEA混合液)への適用性が期待できる。
4-ビフェニルカルボキシアルデヒド(三菱瓦斯化学社製)1.82g(10mmol)に代えてテレフタルアルデヒド(シグマ-アルドリッチ社製試薬)0.67g(5mmol)を用いること以外は、合成例1と同様に操作することにより、下記式で示される目的化合物(BisN-12)を0.1g得た。
有機元素分析の結果、得られた化合物(BisN-12)の炭素濃度は82.0%、酸素濃度は13.7%であった。炭素含有率が高く、酸素含有率が低いことから高いエッチング耐性が高いことがわかる。
得られた化合物について、前記方法により分子量を測定した結果、702であった。
得られた化合物について、前記測定条件でNMR測定を行ったところ、以下のピークが見出され、下記式の化学構造を有することを確認した。
δ(ppm)9.7(4H,O-H)、7.2~8.5(24H,Ph-H)、6.6(2H,C-H)
熱重量測定(TG)の結果、得られた化合物(BisN-12)の熱分解温度は410℃であった。高い耐熱性を有し、高温ベークへの適用が可能となる。
PGME及びPGMEA溶解性は、3wt%以上20wt%未満(評価B)と良好であった。そのため、溶液状態での高い保存安定性及び半導体微細加工プロセスで広く用いられるエッジビートリンス液(PGME/PGMEA混合液)への適用性が期待できる。
4-ビフェニルカルボキシアルデヒド(三菱瓦斯化学社製)1.82g(10mmol)に代えて4,4’-ジホルミルビフェニル(シグマ-アルドリッチ社製試薬)1.05g(5mmol)を用いること以外は、合成例1と同様に操作することにより、下記式で示される目的化合物(BisN-13)を0.1g得た。
有機元素分析の結果、得られた化合物(BisN-13)の炭素濃度は83.3%、酸素濃度は12.3%であった。炭素含有率が高く、酸素含有率が低いことから高いエッチング耐性が高いことがわかる。
得られた化合物について、前記方法により分子量を測定した結果、778であった。
得られた化合物について、前記測定条件でNMR測定を行ったところ、以下のピークが見出され、下記式の化学構造を有することを確認した。
δ(ppm)9.7(4H,O-H)、7.2~8.5(28H,Ph-H)、6.6(2H,C-H)
熱重量測定(TG)の結果、得られた化合物(BisN-13)の熱分解温度は410℃であった。高い耐熱性を有し、高温ベークへの適用が可能となる。
PGME及びPGMEA溶解性は、3wt%以上20wt%未満(評価B)と良好であった。そのため、溶液状態での高い保存安定性及び半導体微細加工プロセスで広く用いられるエッジビートリンス液(PGME/PGMEA混合液)への適用性が期待できる。
4-ビフェニルカルボキシアルデヒド(三菱瓦斯化学社製)1.82g(10mmol)に代えて1,3,5-ベンゼントリカルボアルデヒド(三菱瓦斯化学社製試薬)0.53g(3.3mmol)を用いること以外は、合成例1と同様に操作することにより、下記式で示される目的化合物(BisN-14)を0.1g得た。
有機元素分析の結果、得られた化合物(BisN-14)の炭素濃度は81.6%、酸素濃度は14.2%であった。炭素含有率が高く、酸素含有率が低いことから高いエッチング耐性が高いことがわかる。
得られた化合物について、前記方法により分子量を測定した結果、1014であった。
得られた化合物について、前記測定条件でNMR測定を行ったところ、以下のピークが見出され、下記式の化学構造を有することを確認した。
δ(ppm)9.7(6H,O-H)、7.2~8.5(33H,Ph-H)、6.6(3H,C-H)
熱重量測定(TG)の結果、得られた化合物(BisN-14)の熱分解温度は410℃であった。高い耐熱性を有し、高温ベークへの適用が可能となる。
PGME及びPGMEA溶解性は、3wt%以上20wt%未満(評価B)と良好であった。そのため、溶液状態での高い保存安定性及び半導体微細加工プロセスで広く用いられるエッジビートリンス液(PGME/PGMEA混合液)への適用性が期待できる。
攪拌機、冷却管及びビュレットを備えた内容積100mlの容器に、BisN-1 10g(21mmol)と、パラホルムアルデヒド0.7g(42mmol)、氷酢酸50mlとPGME50mlとを仕込み、95%の硫酸8mlを加えて、反応液を100℃で6時間撹拌して反応を行った。次に、反応液を濃縮し、メタノール1000mlを加えて反応生成物を析出させ、室温まで冷却した後、濾過を行って分離した。得られた固形物を濾過し、乾燥させた後、カラムクロマトによる分離精製を行うことにより、下記式で示される構造を有する目的樹脂(RBisN-1)7.2gを得た。
有機元素分析の結果、得られた樹脂(RBisN-1)の炭素濃度は85.0%、酸素濃度は10.0%であった。炭素含有率が高く、酸素含有率が低いことから高いエッチング耐性が高いことがわかる。
得られた樹脂について、前記方法によりポリスチレン換算分子量を測定した結果、Mn:778、Mw:1793、Mw/Mn:2.30であった。
得られた樹脂について、前記測定条件でNMR測定を行ったところ、以下のピークが見出され、下記式の化学構造を有することを確認した。
δ(ppm)9.7(2H,O-H)、7.2~8.5(17H,Ph-H)、6.6(1H,C-H)、4.1(2H,-CH2)
熱重量測定(TG)の結果、得られた樹脂(RBisN-1)の熱分解温度は405℃であった。高い耐熱性を有し、高温ベークへの適用が可能となる。
PGME及びPGMEA溶解性は、3wt%以上20wt%未満(評価B)と良好であった。そのため、溶液状態での高い保存安定性及び半導体微細加工プロセスで広く用いられるエッジビートリンス液(PGME/PGMEA混合液)への適用性が期待できる。
パラホルムアルデヒド 0.7g(42mmol)に代えて4-ビフェニルカルボキシアルデヒド(三菱瓦斯化学社製)7.6g(42mmol)用いること以外は、合成例15と同様に操作することにより、下記式で示される構造を有する目的樹脂(RBisN-2)を7.6g得た。
有機元素分析の結果、得られた樹脂(RBisN-2)の炭素濃度は87.6%、酸素濃度は7.6%であった。炭素含有率が高く、酸素含有率が低いことから高いエッチング耐性が高いことがわかる。
得られた樹脂について、前記方法によりポリスチレン換算分子量を測定した結果、Mn:562、Mw:1168、Mw/Mn:2.08であった。
得られた樹脂について、前記測定条件でNMR測定を行ったところ、以下のピークが見出され、下記式の化学構造を有することを確認した。
δ(ppm)9.7(2H,O-H)、7.2~8.8(26H,Ph-H)、6.6(1H,C-H)、4.5(1H,-CH2)
熱重量測定(TG)の結果、得られた樹脂(RBisN-2)の熱分解温度は405℃であった。高い耐熱性を有し、高温ベークへの適用が可能となる。
PGME及びPGMEA溶解性は、3wt%以上20wt%未満(評価B)と良好であった。そのため、溶液状態での高い保存安定性及び半導体微細加工プロセスで広く用いられるエッジビートリンス液(PGME/PGMEA混合液)への適用性が期待できる。
ジムロート冷却管、温度計及び攪拌翼を備えた、底抜きが可能な内容積10Lの四つ口フラスコに、窒素気流中、1,5-ジメチルナフタレン1.09kg(7mol、三菱ガス化学(株)製)、40質量%ホルマリン水溶液2.1kg(ホルムアルデヒドとして28mol、三菱ガス化学(株)製)及び98質量%硫酸(関東化学(株)製)0.97mlを仕込み、常圧下、100℃で還流させながら7時間反応させた。その後、希釈溶媒としてエチルベンゼン(和光純薬工業(株)製試薬特級)1.8kgを反応液に加え、静置後、下相の水相を除去した。さらに、中和及び水洗を行い、エチルベンゼン及び未反応の1,5-ジメチルナフタレンを減圧下で留去することにより、淡褐色固体のジメチルナフタレンホルムアルデヒド樹脂1.25kgを得た。
得られたジメチルナフタレンホルムアルデヒドの分子量は、Mn:562、Mw:1168、Mw/Mn:2.08であった。また、炭素濃度は84.2質量%、酸素濃度は8.3質量%であった。
得られた樹脂(CR-1)は、Mn:885、Mw:2220、Mw/Mn:4.17であった。また、炭素濃度は89.1質量%、酸素濃度は4.5質量%であった。
表1に示す組成のリソグラフィー用下層膜形成材料を各々調製した。次に、これらの下層膜形成材料をシリコン基板上に回転塗布し、その後、240℃で60秒間、さらに400℃で120秒間ベークして、膜厚200nmの下層膜を各々作製した。
そして、下記に示す条件でエッチング試験を行い、エッチング耐性を評価した。評価結果を表1に示す。
エッチング装置:サムコインターナショナル社製 RIE-10NR
出力:50W
圧力:20Pa
時間:2min
エッチングガス
Arガス流量:CF4ガス流量:O2ガス流量=50:5:5(sccm)
[エッチング耐性の評価]
エッチング耐性の評価は、以下の手順で行った。
まず、実施例1の化合物(BisN-1)に代えてノボラック(群栄化学社製 PSM4357)を用いること以外は、実施例1と同様の条件で、ノボラックの下層膜を作製した。そして、このノボラックの下層膜の上記のエッチング試験を行い、そのときのエッチングレートを測定した。
次に、実施例1~16及び比較例1の下層膜のエッチング試験を同様に行い、そのときのエッチングレートを測定した。
そして、ノボラックの下層膜のエッチングレートを基準として、以下の評価基準でエッチング耐性を評価した。
<評価基準>
A;ノボラックの下層膜に比べてエッチングレートが、-10%未満
B;ノボラックの下層膜に比べてエッチングレートが、-10%~+5%
C;ノボラックの下層膜に比べてエッチングレートが、+5%超
架橋剤:三和ケミカル社製 ニカラックMX270(ニカラック)
有機溶媒:シクロヘキサノン(CHN)
ノボラック:群栄化学社製 PSM4357
次に、実施例1~16のリソグラフィー用下層膜形成材料の溶液を膜厚300nmのSiO2基板上に塗布して、240℃で60秒間、さらに400℃で120秒間ベークすることにより、膜厚80nmの下層膜を各々形成した。この下層膜上に、ArF用レジスト溶液を塗布し、130℃で60秒間ベークすることにより、膜厚150nmのフォトレジスト層を形成した。なお、ArFレジスト溶液としては、下記式(11)の化合物:5質量部、トリフェニルスルホニウムノナフルオロメタンスルホナート:1質量部、トリブチルアミン:2質量部、及びPGMEA:92質量部を配合して調製したものを用いた。
下層膜の形成を省略すること以外は、実施例17と同様に行い、フォトレジスト層をSiO2基板上に直接形成し、ポジ型のレジストパターンを得た。評価結果を、表2に示す。
実施例17~32及び比較例2のそれぞれについて、得られた55nmL/S(1:1)及び80nmL/S(1:1)のレジストパターンの形状を観察した結果を、表2に示す。
実施例1~16のリソグラフィー用下層膜形成材料の溶液を膜厚300nmのSiO2基板上に塗布して、240℃で60秒間、さらに400℃で120秒間ベークすることにより、膜厚80nmの下層膜を形成した。この下層膜上に、珪素含有中間層材料を塗布し、200℃で60秒間ベークすることにより、膜厚35nmの中間層膜を形成した。さらに、この中間層膜上に、実施例17で用いたArF用レジスト溶液を塗布し、130℃で60秒間ベークすることにより、膜厚150nmのフォトレジスト層を形成した。なお、珪素含有中間層材料としては、特開2007-226170号公報<合成例1>に記載の珪素原子含有ポリマーを用いた。
次いで、電子線描画装置(エリオニクス社製;ELS-7500,50keV)を用いて、フォトレジスト層をマスク露光し、115℃で90秒間ベーク(PEB)し、2.38質量%テトラメチルアンモニウムヒドロキシド(TMAH)水溶液で60秒間現像することにより、55nmL/S(1:1)のポジ型のレジストパターンを得た。
その後、サムコインターナショナル社製 RIE-10NRを用いて、得られたレジストパターンをマスクにして珪素含有中間層膜(SOG)のドライエッチング加工を行い、続いて、得られた珪素含有中間層膜パターンをマスクにした下層膜のドライエッチング加工と、得られた下層膜パターンをマスクにしたSiO2膜のドライエッチング加工とを順次行った。
レジストパターンのレジスト中間層膜へのエッチング条件
出力:50W
圧力:20Pa
時間:1min
エッチングガス
Arガス流量:CF4ガス流量:O2ガス流量=50:8:2(sccm)
レジスト中間膜パターンのレジスト下層膜へのエッチング条件
出力:50W
圧力:20Pa
時間:2min
エッチングガス
Arガス流量:CF4ガス流量:O2ガス流量=50:5:5(sccm)
レジスト下層膜パターンのSiO 2 膜へのエッチング条件
出力:50W
圧力:20Pa
時間:2min
エッチングガス
Arガス流量:C5F12ガス流量:C2F6ガス流量:O2ガス流量
=50:4:3:1(sccm)
上記のようにして得られた実施例33~48のパターン断面(エッチング後のSiO2膜の形状)を、(株)日立製作所製電子顕微鏡(S-4800)を用いて観察したところ、本発明の下層膜を用いた実施例は、多層レジスト加工におけるエッチング後のSiO2膜の形状は矩形であり、欠陥も認められず良好であることが確認された。
Claims (9)
- 下記一般式(2)で示される構造を有する樹脂を含有することを特徴とする、
(式(2)中、Xは、各々独立して、酸素原子又は硫黄原子であり、R1は、各々独立して、単結合又は炭素数1~30の2n価の炭化水素基であり、該炭化水素基は、環式炭化水素基、二重結合、ヘテロ原子若しくは炭素数6~30の芳香族基を有していてもよく、R2は、各々独立して、炭素数1~10の直鎖状、分岐状若しくは環状のアルキル基、炭素数6~10のアリール基、炭素数2~10のアルケニル基又は水酸基であり、但し、R2の少なくとも1つは水酸基であり、R3は、各々独立して、単結合又は炭素数1~20の直鎖状若しくは分岐状のアルキレン基であり、m2は、各々独立して、1~5の整数であり、nは、1~4の整数である。)
リソグラフィー用下層膜形成材料。 - さらに、有機溶媒を含有することを特徴とする、
請求項1~3のいずれか一項に記載のリソグラフィー用下層膜形成材料。 - さらに、酸発生剤を含有することを特徴とする、
請求項1~4のいずれか一項に記載のリソグラフィー用下層膜形成材料。 - さらに、架橋剤を含有することを特徴とする、
請求項1~5のいずれか一項に記載のリソグラフィー用下層膜形成材料。 - 請求項1~6のいずれか一項に記載のリソグラフィー用下層膜形成材料から形成されることを特徴とする、
リソグラフィー用下層膜。 - 基板上に、請求項1~6のいずれか一項に記載の下層膜形成材料を用いて下層膜を形成し、該下層膜上に、少なくとも1層のフォトレジスト層を形成した後、該フォトレジスト層の所要の領域に放射線を照射し、アルカリ現像を行うことを特徴とする、
パターン形成方法。 - 基板上に、請求項1~6のいずれか一項に記載の下層膜形成材料を用いて下層膜を形成し、該下層膜上に、珪素原子を含有するレジスト中間層膜材料を用いて中間層膜を形成し、該中間層膜上に、少なくとも1層のフォトレジスト層を形成した後、該フォトレジスト層の所要の領域に放射線を照射し、アルカリ現像してレジストパターンを形成し、その後、該レジストパターンをマスクとして前記中間層膜をエッチングし、得られた中間層膜パターンをエッチングマスクとして前記下層膜をエッチングし、得られた下層膜パターンをエッチングマスクとして基板をエッチングすることで基板にパターンを形成することを特徴とする、
パターン形成方法。
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201280039344.2A CN103733136B (zh) | 2011-08-12 | 2012-08-09 | 光刻用下层膜形成材料、光刻用下层膜及图案形成方法 |
| KR1020147003592A KR101907481B1 (ko) | 2011-08-12 | 2012-08-09 | 리소그래피용 하층막 형성재료, 리소그래피용 하층막 및 패턴형성방법 |
| EP12824111.4A EP2743770B1 (en) | 2011-08-12 | 2012-08-09 | Underlayer film-forming material for lithography, underlayer film for lithography, and pattern formation method |
| JP2013528990A JP5979384B2 (ja) | 2011-08-12 | 2012-08-09 | リソグラフィー用下層膜形成材料、リソグラフィー用下層膜及びパターン形成方法 |
| US14/238,442 US9316913B2 (en) | 2011-08-12 | 2012-08-09 | Underlayer film-forming material for lithography, underlayer film for lithography, and pattern formation method |
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011-176923 | 2011-08-12 | ||
| JP2011176923 | 2011-08-12 | ||
| JP2011-201757 | 2011-09-15 | ||
| JP2011201757 | 2011-09-15 | ||
| JP2011218440 | 2011-09-30 | ||
| JP2011-218440 | 2011-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2013024779A1 true WO2013024779A1 (ja) | 2013-02-21 |
Family
ID=47715098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2012/070305 Ceased WO2013024779A1 (ja) | 2011-08-12 | 2012-08-09 | リソグラフィー用下層膜形成材料、リソグラフィー用下層膜及びパターン形成方法 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9316913B2 (ja) |
| EP (1) | EP2743770B1 (ja) |
| JP (1) | JP5979384B2 (ja) |
| KR (1) | KR101907481B1 (ja) |
| CN (2) | CN103733136B (ja) |
| TW (1) | TWI572596B (ja) |
| WO (1) | WO2013024779A1 (ja) |
Cited By (65)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014123102A1 (ja) * | 2013-02-08 | 2014-08-14 | 三菱瓦斯化学株式会社 | 化合物、リソグラフィー用下層膜形成材料、リソグラフィー用下層膜及びパターン形成方法 |
| WO2015080240A1 (ja) | 2013-11-29 | 2015-06-04 | 三菱瓦斯化学株式会社 | 化合物又は樹脂の精製方法 |
| WO2015165786A1 (en) * | 2014-04-29 | 2015-11-05 | AZ Electronic Materials (Luxembourg) S.à.r.l. | Antireflective coating compositions and processes thereof |
| JP2015212356A (ja) * | 2014-04-16 | 2015-11-26 | 日本化薬株式会社 | フェノール樹脂、エポキシ樹脂、エポキシ樹脂組成物、およびその硬化物 |
| WO2016163456A1 (ja) * | 2015-04-07 | 2016-10-13 | 三菱瓦斯化学株式会社 | リソグラフィー用下層膜形成用材料、リソグラフィー用下層膜形成用組成物、リソグラフィー用下層膜及びパターン形成方法 |
| WO2016190044A1 (ja) * | 2015-05-27 | 2016-12-01 | 三菱瓦斯化学株式会社 | ヒドロキシ置換芳香族化合物の製造方法 |
| WO2017014191A1 (ja) * | 2015-07-22 | 2017-01-26 | 三菱瓦斯化学株式会社 | 化合物、樹脂、リソグラフィー用下層膜形成材料、リソグラフィー用下層膜形成用組成物、リソグラフィー用下層膜及びレジストパターン形成方法、回路パターン形成方法、及び、精製方法 |
| WO2017038643A1 (ja) * | 2015-08-31 | 2017-03-09 | 三菱瓦斯化学株式会社 | リソグラフィー用下層膜形成材料、リソグラフィー用下層膜形成用組成物、リソグラフィー用下層膜及びその製造方法、並びにレジストパターン形成方法 |
| WO2017038645A1 (ja) * | 2015-08-31 | 2017-03-09 | 三菱瓦斯化学株式会社 | リソグラフィー用下層膜形成材料、リソグラフィー用下層膜形成用組成物、リソグラフィー用下層膜及びその製造方法、パターン形成方法、樹脂、並びに精製方法 |
| JP2017082205A (ja) * | 2015-10-23 | 2017-05-18 | 三星エスディアイ株式会社Samsung SDI Co., Ltd. | 重合体、有機膜組成物、およびパターン形成方法 |
| US9809601B2 (en) | 2013-02-08 | 2017-11-07 | Mitsubishi Gas Chemical Company, Inc. | Compound, material for forming underlayer film for lithography, underlayer film for lithography and pattern forming method |
| US20170349564A1 (en) * | 2014-12-25 | 2017-12-07 | Mitsubishi Gas Chemical Company, Inc. | Compound, resin, material for forming underlayer film for lithography, underlayer film for lithography, pattern forming method, and purification method |
| WO2018052026A1 (ja) * | 2016-09-13 | 2018-03-22 | 三菱瓦斯化学株式会社 | 化合物、樹脂、組成物、並びにレジストパターン形成方法及び回路パターン形成方法 |
| WO2018052012A1 (ja) * | 2016-09-13 | 2018-03-22 | 三菱瓦斯化学株式会社 | 光学部材形成組成物 |
| WO2018056279A1 (ja) * | 2016-09-20 | 2018-03-29 | 三菱瓦斯化学株式会社 | 化合物、樹脂、組成物、並びにレジストパターン形成方法及びパターン形成方法 |
| WO2018099848A1 (en) | 2016-11-30 | 2018-06-07 | Az Electronic Materials (Luxembourg) S.A.R.L. | Planarising coating-forming composition and methods for manufacturing planarizing coating and device using the same |
| WO2018101463A1 (ja) * | 2016-12-02 | 2018-06-07 | 三菱瓦斯化学株式会社 | 化合物、樹脂、組成物、パターン形成方法及び精製方法 |
| WO2018099836A1 (en) | 2016-11-30 | 2018-06-07 | Az Electronic Materials (Luxembourg) S.A.R.L. | Planarizing coating-forming composition and methods for manufacturing planarizing coating and device using the same |
| WO2018135498A1 (ja) | 2017-01-18 | 2018-07-26 | 三菱瓦斯化学株式会社 | 化合物、樹脂、組成物及びパターン形成方法 |
| WO2018155495A1 (ja) | 2017-02-23 | 2018-08-30 | 三菱瓦斯化学株式会社 | 化合物、樹脂、組成物、パターン形成方法及び精製方法 |
| KR20180099681A (ko) | 2015-12-25 | 2018-09-05 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 화합물, 수지, 조성물, 레지스트 패턴 형성방법, 및, 회로 패턴 형성방법 |
| WO2018159707A1 (ja) * | 2017-02-28 | 2018-09-07 | 三菱瓦斯化学株式会社 | 化合物又は樹脂の精製方法、及び組成物の製造方法 |
| JP2018154600A (ja) * | 2017-03-21 | 2018-10-04 | 三菱瓦斯化学株式会社 | 化合物、樹脂、組成物、パターン形成方法及び精製方法 |
| WO2018212116A1 (ja) | 2017-05-15 | 2018-11-22 | 三菱瓦斯化学株式会社 | リソグラフィー用膜形成材料、リソグラフィー用膜形成用組成物、リソグラフィー用下層膜及びパターン形成方法 |
| WO2019004142A1 (ja) | 2017-06-28 | 2019-01-03 | 三菱瓦斯化学株式会社 | 膜形成材料、リソグラフィー用膜形成用組成物、光学部品形成用材料、レジスト組成物、レジストパターン形成方法、レジスト用永久膜、感放射線性組成物、アモルファス膜の製造方法、リソグラフィー用下層膜形成材料、リソグラフィー用下層膜形成用組成物、リソグラフィー用下層膜の製造方法及び回路パターン形成方法 |
| US10205103B2 (en) | 2015-02-13 | 2019-02-12 | Samsung Display Co., Ltd. | Condensed cyclic compound and organic light-emitting device including the same |
| KR20190032379A (ko) | 2016-07-21 | 2019-03-27 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 화합물, 수지, 조성물 및 패턴 형성방법 |
| KR20190033537A (ko) | 2016-07-21 | 2019-03-29 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 화합물, 수지, 조성물 그리고 레지스트패턴 형성방법 및 회로패턴 형성방법 |
| KR20190033536A (ko) | 2016-07-21 | 2019-03-29 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 화합물, 수지, 조성물 그리고 레지스트패턴 형성방법 및 회로패턴 형성방법 |
| KR20190034213A (ko) | 2016-07-21 | 2019-04-01 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 화합물, 수지, 조성물 및 패턴 형성방법 |
| KR20190034149A (ko) | 2016-07-21 | 2019-04-01 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 화합물, 수지 및 조성물, 그리고 레지스트패턴 형성방법 및 회로패턴 형성방법 |
| KR20190053187A (ko) | 2016-09-13 | 2019-05-17 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 화합물, 수지, 조성물 및 패턴 형성방법 |
| WO2019098338A1 (ja) | 2017-11-20 | 2019-05-23 | 三菱瓦斯化学株式会社 | リソグラフィー用膜形成用組成物、リソグラフィー用膜、レジストパターン形成方法、及び回路パターン形成方法 |
| KR20190057060A (ko) | 2016-09-20 | 2019-05-27 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 화합물, 수지, 조성물, 그리고 레지스트 패턴 형성방법 및 회로패턴 형성방법 |
| US10333074B2 (en) | 2015-09-11 | 2019-06-25 | Samsung Display Co., Ltd. | Organic light-emitting device |
| KR20190085002A (ko) | 2016-11-30 | 2019-07-17 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 화합물, 수지, 조성물 그리고 레지스트패턴 형성방법 및 회로패턴 형성방법 |
| WO2019142897A1 (ja) | 2018-01-22 | 2019-07-25 | 三菱瓦斯化学株式会社 | 化合物、樹脂、組成物及びパターン形成方法 |
| WO2019151400A1 (ja) | 2018-01-31 | 2019-08-08 | 三菱瓦斯化学株式会社 | 化合物、樹脂、組成物、レジストパターン形成方法、回路パターン形成方法及び樹脂の精製方法 |
| US10377734B2 (en) | 2013-02-08 | 2019-08-13 | Mitsubishi Gas Chemical Company, Inc. | Resist composition, method for forming resist pattern, polyphenol derivative for use in the composition |
| WO2019167359A1 (ja) | 2018-02-28 | 2019-09-06 | 三菱瓦斯化学株式会社 | 化合物、樹脂、組成物及びそれを用いたリソグラフィー用膜形成材料 |
| JPWO2018097215A1 (ja) * | 2016-11-24 | 2019-10-17 | 三菱瓦斯化学株式会社 | 化合物、樹脂、組成物、パターン形成方法及び精製方法 |
| WO2019208761A1 (ja) | 2018-04-27 | 2019-10-31 | 三菱瓦斯化学株式会社 | レジスト下層膜形成用組成物及びパターン形成方法 |
| WO2019208762A1 (ja) | 2018-04-27 | 2019-10-31 | 三菱瓦斯化学株式会社 | レジスト下層膜形成用組成物、リソグラフィー用下層膜、及びパターン形成方法 |
| WO2019230639A1 (ja) | 2018-05-28 | 2019-12-05 | 三菱瓦斯化学株式会社 | 化合物、樹脂、組成物、レジストパターン形成方法、回路パターン形成方法及び樹脂の精製方法 |
| WO2020004316A1 (ja) | 2018-06-26 | 2020-01-02 | 三菱瓦斯化学株式会社 | リソグラフィー用膜形成材料、リソグラフィー用膜形成用組成物、リソグラフィー用下層膜及びパターン形成方法 |
| WO2020026879A1 (ja) | 2018-07-31 | 2020-02-06 | 三菱瓦斯化学株式会社 | 下層膜形成組成物 |
| WO2020027206A1 (ja) | 2018-07-31 | 2020-02-06 | 三菱瓦斯化学株式会社 | 光学部品形成用組成物及び光学部品、並びに、化合物及び樹脂 |
| WO2020039966A1 (ja) | 2018-08-20 | 2020-02-27 | 三菱瓦斯化学株式会社 | リソグラフィー用膜形成材料、リソグラフィー用膜形成用組成物、リソグラフィー用下層膜及びパターン形成方法 |
| WO2020218600A1 (ja) * | 2019-04-26 | 2020-10-29 | 三菱瓦斯化学株式会社 | 光学部品形成用組成物 |
| WO2020218599A1 (ja) * | 2019-04-26 | 2020-10-29 | 三菱瓦斯化学株式会社 | 化合物、樹脂、組成物、レジストパターン形成方法、回路パターン形成方法及び精製方法 |
| JP2020189985A (ja) * | 2015-03-31 | 2020-11-26 | 三菱瓦斯化学株式会社 | レジスト組成物、レジストパターン形成方法、及びそれに用いるポリフェノール化合物 |
| KR20210113990A (ko) | 2019-01-11 | 2021-09-17 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 막형성용 조성물, 레지스트 조성물, 감방사선성 조성물, 아모퍼스막의 제조방법, 레지스트 패턴 형성방법, 리소그래피용 하층막 형성용 조성물, 리소그래피용 하층막의 제조방법 및 회로패턴 형성방법 |
| KR20210121061A (ko) | 2019-01-31 | 2021-10-07 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 화합물, 수지, 조성물, 레지스트 패턴 형성방법, 회로패턴 형성방법 및 수지의 정제방법 |
| WO2022014684A1 (ja) * | 2020-07-15 | 2022-01-20 | 三菱瓦斯化学株式会社 | 多環ポリフェノール樹脂、組成物、多環ポリフェノール樹脂の製造方法、膜形成用組成物、レジスト組成物、レジストパターン形成方法、感放射線性組成物、リソグラフィー用下層膜形成用組成物、リソグラフィー用下層膜の製造方法、回路パターン形成方法、及び光学部材形成用組成物 |
| JPWO2022014679A1 (ja) * | 2020-07-15 | 2022-01-20 | ||
| KR20220013361A (ko) | 2019-05-27 | 2022-02-04 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 리소그래피용 하층막 형성용 조성물, 리소그래피용 하층막 및 패턴 형성방법 및 정제방법 |
| US11243467B2 (en) | 2015-09-10 | 2022-02-08 | Mitsubishi Gas Chemical Company, Inc. | Compound, resin, resist composition or radiation-sensitive composition, resist pattern formation method, method for producing amorphous film, underlayer film forming material for lithography, composition for underlayer film formation for lithography, method for forming circuit pattern, and purification method |
| US11256170B2 (en) | 2015-03-31 | 2022-02-22 | Mitsubishi Gas Chemical Company, Inc. | Compound, resist composition, and method for forming resist pattern using it |
| KR20230035520A (ko) | 2020-07-08 | 2023-03-14 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 막형성용 조성물, 레지스트 조성물, 감방사선성 조성물, 아몰퍼스막의 제조방법, 레지스트패턴 형성방법, 리소그래피용 하층막형성용 조성물, 리소그래피용 하층막의 제조방법 및 회로패턴 형성방법, 광학부재형성용 조성물, 막형성용 수지, 레지스트 수지, 감방사선성 수지, 리소그래피용 하층막형성용 수지 |
| KR20230037485A (ko) | 2020-07-08 | 2023-03-16 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 리소그래피막 형성용 조성물, 레지스트패턴 형성방법, 및 회로패턴 형성방법 |
| KR20230051123A (ko) | 2020-08-14 | 2023-04-17 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 리소그래피용 하층막형성용 조성물, 하층막 및 패턴 형성방법 |
| KR20230129974A (ko) | 2021-01-19 | 2023-09-11 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 중합체, 조성물, 중합체의 제조방법, 막형성용 조성물, 레지스트 조성물, 레지스트패턴 형성방법, 감방사선성 조성물, 리소그래피용 하층막형성용 조성물, 리소그래피용 하층막의 제조방법, 회로패턴 형성방법, 광학부재형성용 조성물 |
| KR20230145562A (ko) | 2021-02-16 | 2023-10-17 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 수지, 조성물, 레지스트패턴 형성방법, 회로패턴 형성방법 및 수지의 정제방법 |
| US11798810B2 (en) * | 2017-01-13 | 2023-10-24 | Nissan Chemical Corporation | Resist underlayer film-forming composition containing amide solvent |
| WO2025205091A1 (ja) * | 2024-03-25 | 2025-10-02 | Jsr株式会社 | 半導体基板の製造方法、組成物及び化合物の製造方法 |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015137486A1 (ja) | 2014-03-13 | 2015-09-17 | 三菱瓦斯化学株式会社 | 化合物、樹脂、リソグラフィー用下層膜形成材料、リソグラフィー用下層膜、パターン形成方法、及び化合物又は樹脂の精製方法 |
| CN106133604B (zh) | 2014-03-13 | 2019-09-06 | 三菱瓦斯化学株式会社 | 保护剂组合物和保护剂图案形成方法 |
| KR20170128287A (ko) * | 2015-03-13 | 2017-11-22 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 화합물, 수지, 리소그래피용 하층막 형성재료, 리소그래피용 하층막 형성용 조성물, 리소그래피용 하층막, 패턴 형성방법, 및, 화합물 또는 수지의 정제방법 |
| WO2016158458A1 (ja) | 2015-03-30 | 2016-10-06 | 三菱瓦斯化学株式会社 | レジスト基材、レジスト組成物及びレジストパターン形成方法 |
| CN107428646B (zh) * | 2015-03-30 | 2021-03-02 | 三菱瓦斯化学株式会社 | 化合物、树脂、和它们的纯化方法、及其应用 |
| EP3326997A4 (en) * | 2015-07-23 | 2019-04-03 | Mitsubishi Gas Chemical Company, Inc. | NEW (METH) ACRYLOL COMPOUND AND METHOD OF MANUFACTURING THEREOF |
| WO2017033943A1 (ja) | 2015-08-24 | 2017-03-02 | 学校法人関西大学 | リソグラフィー用材料及びその製造方法、リソグラフィー用組成物、パターン形成方法、並びに、化合物、樹脂、及びこれらの精製方法 |
| KR101962419B1 (ko) * | 2016-01-20 | 2019-03-26 | 삼성에스디아이 주식회사 | 중합체, 유기막 조성물, 및 패턴형성방법 |
| WO2019225614A1 (ja) * | 2018-05-25 | 2019-11-28 | 日産化学株式会社 | 環式カルボニル化合物を用いたレジスト下層膜形成組成物 |
| US10886119B2 (en) * | 2018-08-17 | 2021-01-05 | Rohm And Haas Electronic Materials Llc | Aromatic underlayer |
| CN116705595A (zh) | 2020-01-15 | 2023-09-05 | 朗姆研究公司 | 用于光刻胶粘附和剂量减少的底层 |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002334869A (ja) | 2001-02-07 | 2002-11-22 | Tokyo Electron Ltd | シリコン窒化膜の形成方法、形成装置及びこの形成装置の洗浄前処理方法 |
| JP2004177668A (ja) | 2002-11-27 | 2004-06-24 | Tokyo Ohka Kogyo Co Ltd | 多層レジストプロセス用下層膜形成材料およびこれを用いた配線形成方法 |
| WO2004066377A1 (ja) | 2003-01-24 | 2004-08-05 | Tokyo Electron Limited | 被処理基板上にシリコン窒化膜を形成するcvd方法 |
| JP2004271838A (ja) | 2003-03-07 | 2004-09-30 | Shin Etsu Chem Co Ltd | レジスト下層膜材料ならびにパターン形成方法 |
| JP2005250434A (ja) | 2004-02-04 | 2005-09-15 | Shin Etsu Chem Co Ltd | レジスト下層膜材料ならびにパターン形成方法 |
| JP2007199653A (ja) * | 2005-12-27 | 2007-08-09 | Shin Etsu Chem Co Ltd | フォトレジスト下層膜形成材料及びパターン形成方法 |
| WO2007097457A1 (ja) * | 2006-02-27 | 2007-08-30 | Mitsubishi Gas Chemical Company, Inc. | 反射防止膜形成用組成物および反射防止膜 |
| JP2007226170A (ja) | 2006-01-27 | 2007-09-06 | Shin Etsu Chem Co Ltd | 反射防止膜材料、反射防止膜を有する基板及びパターン形成方法 |
| JP2007226204A (ja) | 2006-01-25 | 2007-09-06 | Shin Etsu Chem Co Ltd | 反射防止膜材料、基板、及びパターン形成方法 |
| WO2009072465A1 (ja) | 2007-12-07 | 2009-06-11 | Mitsubishi Gas Chemical Company, Inc. | リソグラフィー用下層膜形成組成物及び多層レジストパターン形成方法 |
| JP2010170013A (ja) * | 2009-01-26 | 2010-08-05 | Shin-Etsu Chemical Co Ltd | レジスト下層膜形成方法及びこれを用いたパターン形成方法 |
| WO2011034062A1 (ja) | 2009-09-15 | 2011-03-24 | 三菱瓦斯化学株式会社 | 芳香族炭化水素樹脂及びリソグラフィー用下層膜形成組成物 |
| JP2011150023A (ja) * | 2010-01-19 | 2011-08-04 | Shin-Etsu Chemical Co Ltd | レジスト下層膜形成用組成物、レジスト下層膜形成方法、及びパターン形成方法 |
| JP2012001687A (ja) * | 2010-06-21 | 2012-01-05 | Shin-Etsu Chemical Co Ltd | ナフタレン誘導体、レジスト下層膜材料、レジスト下層膜形成方法及びパターン形成方法 |
| JP2012077295A (ja) * | 2010-09-10 | 2012-04-19 | Shin-Etsu Chemical Co Ltd | ナフタレン誘導体及びその製造方法、レジスト下層膜材料、レジスト下層膜形成方法及びパターン形成方法 |
Family Cites Families (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01283280A (ja) * | 1988-05-06 | 1989-11-14 | Asahi Denka Kogyo Kk | 新規エポキシ化合物及びその製造方法 |
| JPH0534913A (ja) * | 1991-08-01 | 1993-02-12 | Fuji Photo Film Co Ltd | ポジ型フオトレジスト組成物 |
| US6844273B2 (en) | 2001-02-07 | 2005-01-18 | Tokyo Electron Limited | Precleaning method of precleaning a silicon nitride film forming system |
| JP2002334896A (ja) | 2001-05-07 | 2002-11-22 | Nagase & Co Ltd | 突起電極の製造方法 |
| EP1275673B1 (en) * | 2001-07-12 | 2006-08-23 | Dainippon Ink And Chemicals, Inc. | Epoxy resin composition, cured article thereof, novel epoxy resin, novel phenol compound, and process for preparing the same |
| JP4247658B2 (ja) * | 2001-07-12 | 2009-04-02 | Dic株式会社 | 新規エポキシ樹脂、エポキシ樹脂組成物及びその硬化物 |
| EP1300403A1 (en) * | 2001-10-02 | 2003-04-09 | Aventis Pharma S.A. | Process for the manufacture of hypoxyxylerone derivatives |
| CN1309783C (zh) * | 2001-10-24 | 2007-04-11 | 大日本油墨化学工业株式会社 | 环氧树脂组合物,其固化制品,新型环氧树脂,新型酚化合物,及其制备方法 |
| US7238462B2 (en) | 2002-11-27 | 2007-07-03 | Tokyo Ohka Kogyo Co., Ltd. | Undercoating material for wiring, embedded material, and wiring formation method |
| US7871751B2 (en) * | 2004-04-15 | 2011-01-18 | Mitsubishi Gas Chemical Company, Inc. | Resist composition |
| JP4966484B2 (ja) | 2004-07-22 | 2012-07-04 | 大阪瓦斯株式会社 | フルオレン化合物およびその製造方法 |
| JP2006098869A (ja) * | 2004-09-30 | 2006-04-13 | Sumitomo Bakelite Co Ltd | フォトレジスト組成物 |
| JP2006113136A (ja) * | 2004-10-12 | 2006-04-27 | Sumitomo Bakelite Co Ltd | フォトレジスト用ノボラック型フェノール樹脂組成物 |
| JP2006160663A (ja) * | 2004-12-07 | 2006-06-22 | Honshu Chem Ind Co Ltd | 1,1’−ビス(2−ヒドロキシナフチル)類の製造方法 |
| JP4678195B2 (ja) | 2005-02-03 | 2011-04-27 | 三菱瓦斯化学株式会社 | フェナントレンキノン誘導体及びその製造方法 |
| US7585613B2 (en) | 2006-01-25 | 2009-09-08 | Shin-Etsu Chemical Co., Ltd. | Antireflection film composition, substrate, and patterning process |
| JP2007326847A (ja) | 2006-03-31 | 2007-12-20 | Honshu Chem Ind Co Ltd | 新規な多核体ポリフェノール化合物 |
| JP5092492B2 (ja) * | 2007-03-28 | 2012-12-05 | Dic株式会社 | 熱硬化性ポリイミド樹脂組成物 |
| JP5249578B2 (ja) | 2007-12-26 | 2013-07-31 | 大阪瓦斯株式会社 | フルオレン骨格を有するエポキシ化合物 |
| JP4990844B2 (ja) * | 2008-06-17 | 2012-08-01 | 信越化学工業株式会社 | パターン形成方法並びにこれに用いるレジスト材料 |
| TWI400575B (zh) * | 2008-10-28 | 2013-07-01 | 信越化學工業股份有限公司 | 光阻劑下層膜形成材料及圖案形成方法 |
| JP5262915B2 (ja) * | 2009-03-30 | 2013-08-14 | Dic株式会社 | 硬化性樹脂組成物、その硬化物、プリント配線基板、エステル化合物、エステル系樹脂、及びその製造方法 |
| JP5513825B2 (ja) | 2009-09-28 | 2014-06-04 | 大阪ガスケミカル株式会社 | フルオレン骨格を有するアルコールの製造方法 |
| JP5466927B2 (ja) | 2009-11-19 | 2014-04-09 | 大阪瓦斯株式会社 | フルオレンポリエステルオリゴマー及びその製造方法 |
-
2012
- 2012-08-09 JP JP2013528990A patent/JP5979384B2/ja active Active
- 2012-08-09 TW TW101128756A patent/TWI572596B/zh active
- 2012-08-09 EP EP12824111.4A patent/EP2743770B1/en active Active
- 2012-08-09 CN CN201280039344.2A patent/CN103733136B/zh active Active
- 2012-08-09 CN CN201610562638.3A patent/CN106094440B/zh active Active
- 2012-08-09 US US14/238,442 patent/US9316913B2/en active Active
- 2012-08-09 WO PCT/JP2012/070305 patent/WO2013024779A1/ja not_active Ceased
- 2012-08-09 KR KR1020147003592A patent/KR101907481B1/ko active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002334869A (ja) | 2001-02-07 | 2002-11-22 | Tokyo Electron Ltd | シリコン窒化膜の形成方法、形成装置及びこの形成装置の洗浄前処理方法 |
| JP2004177668A (ja) | 2002-11-27 | 2004-06-24 | Tokyo Ohka Kogyo Co Ltd | 多層レジストプロセス用下層膜形成材料およびこれを用いた配線形成方法 |
| WO2004066377A1 (ja) | 2003-01-24 | 2004-08-05 | Tokyo Electron Limited | 被処理基板上にシリコン窒化膜を形成するcvd方法 |
| JP2004271838A (ja) | 2003-03-07 | 2004-09-30 | Shin Etsu Chem Co Ltd | レジスト下層膜材料ならびにパターン形成方法 |
| JP2005250434A (ja) | 2004-02-04 | 2005-09-15 | Shin Etsu Chem Co Ltd | レジスト下層膜材料ならびにパターン形成方法 |
| JP2007199653A (ja) * | 2005-12-27 | 2007-08-09 | Shin Etsu Chem Co Ltd | フォトレジスト下層膜形成材料及びパターン形成方法 |
| JP2007226204A (ja) | 2006-01-25 | 2007-09-06 | Shin Etsu Chem Co Ltd | 反射防止膜材料、基板、及びパターン形成方法 |
| JP2007226170A (ja) | 2006-01-27 | 2007-09-06 | Shin Etsu Chem Co Ltd | 反射防止膜材料、反射防止膜を有する基板及びパターン形成方法 |
| WO2007097457A1 (ja) * | 2006-02-27 | 2007-08-30 | Mitsubishi Gas Chemical Company, Inc. | 反射防止膜形成用組成物および反射防止膜 |
| WO2009072465A1 (ja) | 2007-12-07 | 2009-06-11 | Mitsubishi Gas Chemical Company, Inc. | リソグラフィー用下層膜形成組成物及び多層レジストパターン形成方法 |
| JP2010170013A (ja) * | 2009-01-26 | 2010-08-05 | Shin-Etsu Chemical Co Ltd | レジスト下層膜形成方法及びこれを用いたパターン形成方法 |
| WO2011034062A1 (ja) | 2009-09-15 | 2011-03-24 | 三菱瓦斯化学株式会社 | 芳香族炭化水素樹脂及びリソグラフィー用下層膜形成組成物 |
| JP2011150023A (ja) * | 2010-01-19 | 2011-08-04 | Shin-Etsu Chemical Co Ltd | レジスト下層膜形成用組成物、レジスト下層膜形成方法、及びパターン形成方法 |
| JP2012001687A (ja) * | 2010-06-21 | 2012-01-05 | Shin-Etsu Chemical Co Ltd | ナフタレン誘導体、レジスト下層膜材料、レジスト下層膜形成方法及びパターン形成方法 |
| JP2012077295A (ja) * | 2010-09-10 | 2012-04-19 | Shin-Etsu Chemical Co Ltd | ナフタレン誘導体及びその製造方法、レジスト下層膜材料、レジスト下層膜形成方法及びパターン形成方法 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP2743770A4 |
Cited By (117)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014123102A1 (ja) * | 2013-02-08 | 2014-08-14 | 三菱瓦斯化学株式会社 | 化合物、リソグラフィー用下層膜形成材料、リソグラフィー用下層膜及びパターン形成方法 |
| US10377734B2 (en) | 2013-02-08 | 2019-08-13 | Mitsubishi Gas Chemical Company, Inc. | Resist composition, method for forming resist pattern, polyphenol derivative for use in the composition |
| US9828355B2 (en) | 2013-02-08 | 2017-11-28 | Mitsubishi Gas Chemical Company, Inc. | Compound, material for forming underlayer film for lithography, underlayer film for lithography and pattern forming method |
| US9809601B2 (en) | 2013-02-08 | 2017-11-07 | Mitsubishi Gas Chemical Company, Inc. | Compound, material for forming underlayer film for lithography, underlayer film for lithography and pattern forming method |
| JPWO2015080240A1 (ja) * | 2013-11-29 | 2017-03-16 | 三菱瓦斯化学株式会社 | 化合物又は樹脂の精製方法 |
| WO2015080240A1 (ja) | 2013-11-29 | 2015-06-04 | 三菱瓦斯化学株式会社 | 化合物又は樹脂の精製方法 |
| CN105764892A (zh) * | 2013-11-29 | 2016-07-13 | 三菱瓦斯化学株式会社 | 化合物或树脂的精制方法 |
| KR20160091342A (ko) | 2013-11-29 | 2016-08-02 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 화합물 또는 수지의 정제방법 |
| US9920024B2 (en) | 2013-11-29 | 2018-03-20 | Mitsubishi Gas Chemical Company, Inc. | Method for purifying compound or resin |
| CN105764892B (zh) * | 2013-11-29 | 2018-09-25 | 三菱瓦斯化学株式会社 | 化合物或树脂的精制方法 |
| EP3075728A4 (en) * | 2013-11-29 | 2017-05-03 | Mitsubishi Gas Chemical Company, Inc. | Purification method for compound or resin |
| JP2015212356A (ja) * | 2014-04-16 | 2015-11-26 | 日本化薬株式会社 | フェノール樹脂、エポキシ樹脂、エポキシ樹脂組成物、およびその硬化物 |
| JP2017516137A (ja) * | 2014-04-29 | 2017-06-15 | アーゼッド・エレクトロニック・マテリアルズ(ルクセンブルグ)ソシエテ・ア・レスポンサビリテ・リミテ | 反射防止コーティング組成物およびその製造方法 |
| KR101820263B1 (ko) | 2014-04-29 | 2018-01-19 | 에이제트 일렉트로닉 머티어리얼스 (룩셈부르크) 에스.에이.알.엘. | 반사방지 코팅 조성물 및 이의 공정 |
| CN106170737B (zh) * | 2014-04-29 | 2019-08-06 | Az电子材料卢森堡有限公司 | 抗反射涂料组合物及其方法 |
| US9274426B2 (en) | 2014-04-29 | 2016-03-01 | Az Electronic Materials (Luxembourg) S.A.R.L. | Antireflective coating compositions and processes thereof |
| WO2015165786A1 (en) * | 2014-04-29 | 2015-11-05 | AZ Electronic Materials (Luxembourg) S.à.r.l. | Antireflective coating compositions and processes thereof |
| CN106170737A (zh) * | 2014-04-29 | 2016-11-30 | Az电子材料卢森堡有限公司 | 抗反射涂料组合物及其方法 |
| US10745372B2 (en) * | 2014-12-25 | 2020-08-18 | Mitsubishi Gas Chemical Company, Inc. | Compound, resin, material for forming underlayer film for lithography, underlayer film for lithography, pattern forming method, and purification method |
| US20170349564A1 (en) * | 2014-12-25 | 2017-12-07 | Mitsubishi Gas Chemical Company, Inc. | Compound, resin, material for forming underlayer film for lithography, underlayer film for lithography, pattern forming method, and purification method |
| US10205103B2 (en) | 2015-02-13 | 2019-02-12 | Samsung Display Co., Ltd. | Condensed cyclic compound and organic light-emitting device including the same |
| JP2020189985A (ja) * | 2015-03-31 | 2020-11-26 | 三菱瓦斯化学株式会社 | レジスト組成物、レジストパターン形成方法、及びそれに用いるポリフェノール化合物 |
| US11256170B2 (en) | 2015-03-31 | 2022-02-22 | Mitsubishi Gas Chemical Company, Inc. | Compound, resist composition, and method for forming resist pattern using it |
| US11480877B2 (en) | 2015-03-31 | 2022-10-25 | Mitsubishi Gas Chemical Company, Inc. | Resist composition, method for forming resist pattern, and polyphenol compound used therein |
| WO2016163456A1 (ja) * | 2015-04-07 | 2016-10-13 | 三菱瓦斯化学株式会社 | リソグラフィー用下層膜形成用材料、リソグラフィー用下層膜形成用組成物、リソグラフィー用下層膜及びパターン形成方法 |
| US10359701B2 (en) | 2015-04-07 | 2019-07-23 | Mitsubishi Gas Chemical Company, Inc. | Material for forming underlayer film for lithography, composition for forming underlayer film for lithography, underlayer film for lithography and pattern forming method |
| WO2016190044A1 (ja) * | 2015-05-27 | 2016-12-01 | 三菱瓦斯化学株式会社 | ヒドロキシ置換芳香族化合物の製造方法 |
| JP2021001219A (ja) * | 2015-05-27 | 2021-01-07 | 三菱瓦斯化学株式会社 | ヒドロキシ置換芳香族化合物の製造方法 |
| JP7138853B2 (ja) | 2015-05-27 | 2022-09-20 | 三菱瓦斯化学株式会社 | ヒドロキシ置換芳香族化合物の製造方法 |
| JPWO2017014191A1 (ja) * | 2015-07-22 | 2018-05-24 | 三菱瓦斯化学株式会社 | 化合物、樹脂、リソグラフィー用下層膜形成材料、リソグラフィー用下層膜形成用組成物、リソグラフィー用下層膜及びレジストパターン形成方法、回路パターン形成方法、及び、精製方法 |
| US10364314B2 (en) | 2015-07-22 | 2019-07-30 | Mitsubishi Gas Chemical Company, Inc. | Compound, resin, material for forming underlayer film for lithography, composition for forming underlayer film for lithography, underlayer film for lithography, resist pattern forming method, circuit pattern forming method, and purification method |
| WO2017014191A1 (ja) * | 2015-07-22 | 2017-01-26 | 三菱瓦斯化学株式会社 | 化合物、樹脂、リソグラフィー用下層膜形成材料、リソグラフィー用下層膜形成用組成物、リソグラフィー用下層膜及びレジストパターン形成方法、回路パターン形成方法、及び、精製方法 |
| JPWO2017038645A1 (ja) * | 2015-08-31 | 2018-06-14 | 三菱瓦斯化学株式会社 | リソグラフィー用下層膜形成材料、リソグラフィー用下層膜形成用組成物、リソグラフィー用下層膜及びその製造方法、パターン形成方法、樹脂、並びに精製方法 |
| US11137686B2 (en) | 2015-08-31 | 2021-10-05 | Mitsubishi Gas Chemical Company, Inc. | Material for forming underlayer film for lithography, composition for forming underlayer film for lithography, underlayer film for lithography and production method thereof, and resist pattern forming method |
| WO2017038643A1 (ja) * | 2015-08-31 | 2017-03-09 | 三菱瓦斯化学株式会社 | リソグラフィー用下層膜形成材料、リソグラフィー用下層膜形成用組成物、リソグラフィー用下層膜及びその製造方法、並びにレジストパターン形成方法 |
| WO2017038645A1 (ja) * | 2015-08-31 | 2017-03-09 | 三菱瓦斯化学株式会社 | リソグラフィー用下層膜形成材料、リソグラフィー用下層膜形成用組成物、リソグラフィー用下層膜及びその製造方法、パターン形成方法、樹脂、並びに精製方法 |
| US11143962B2 (en) | 2015-08-31 | 2021-10-12 | Mitsubishi Gas Chemical Company, Inc. | Material for forming underlayer film for lithography, composition for forming underlayer film for lithography, underlayer film for lithography and production method thereof, pattern forming method, resin, and purification method |
| JP7020912B2 (ja) | 2015-08-31 | 2022-02-16 | 三菱瓦斯化学株式会社 | リソグラフィー用下層膜形成材料、リソグラフィー用下層膜形成用組成物、リソグラフィー用下層膜及びその製造方法、並びにレジストパターン形成方法 |
| JPWO2017038643A1 (ja) * | 2015-08-31 | 2018-06-14 | 三菱瓦斯化学株式会社 | リソグラフィー用下層膜形成材料、リソグラフィー用下層膜形成用組成物、リソグラフィー用下層膜及びその製造方法、並びにレジストパターン形成方法 |
| US11572430B2 (en) | 2015-09-10 | 2023-02-07 | Mitsubishi Gas Chemical Company, Inc. | Compound, resin, resist composition or radiation-sensitive composition, resist pattern formation method, method for producing amorphous film, underlayer film forming material for lithography, composition for underlayer film formation for lithography, method for forming circuit pattern, and purification method |
| US11243467B2 (en) | 2015-09-10 | 2022-02-08 | Mitsubishi Gas Chemical Company, Inc. | Compound, resin, resist composition or radiation-sensitive composition, resist pattern formation method, method for producing amorphous film, underlayer film forming material for lithography, composition for underlayer film formation for lithography, method for forming circuit pattern, and purification method |
| US10333074B2 (en) | 2015-09-11 | 2019-06-25 | Samsung Display Co., Ltd. | Organic light-emitting device |
| JP2017082205A (ja) * | 2015-10-23 | 2017-05-18 | 三星エスディアイ株式会社Samsung SDI Co., Ltd. | 重合体、有機膜組成物、およびパターン形成方法 |
| JP7053139B2 (ja) | 2015-10-23 | 2022-04-12 | 三星エスディアイ株式会社 | 重合体、有機膜組成物、およびパターン形成方法 |
| US11130724B2 (en) | 2015-12-25 | 2021-09-28 | Mitsubishi Gas Chemical Company, Inc. | Compound, resin, composition, resist pattern formation method, and circuit pattern formation method |
| KR20180099681A (ko) | 2015-12-25 | 2018-09-05 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 화합물, 수지, 조성물, 레지스트 패턴 형성방법, 및, 회로 패턴 형성방법 |
| KR20190033536A (ko) | 2016-07-21 | 2019-03-29 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 화합물, 수지, 조성물 그리고 레지스트패턴 형성방법 및 회로패턴 형성방법 |
| KR20190034149A (ko) | 2016-07-21 | 2019-04-01 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 화합물, 수지 및 조성물, 그리고 레지스트패턴 형성방법 및 회로패턴 형성방법 |
| KR20190034213A (ko) | 2016-07-21 | 2019-04-01 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 화합물, 수지, 조성물 및 패턴 형성방법 |
| KR20190032379A (ko) | 2016-07-21 | 2019-03-27 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 화합물, 수지, 조성물 및 패턴 형성방법 |
| KR20190033537A (ko) | 2016-07-21 | 2019-03-29 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 화합물, 수지, 조성물 그리고 레지스트패턴 형성방법 및 회로패턴 형성방법 |
| JP7452947B2 (ja) | 2016-09-13 | 2024-03-19 | 三菱瓦斯化学株式会社 | 化合物、樹脂、組成物、並びにレジストパターン形成方法及び回路パターン形成方法 |
| JPWO2018052012A1 (ja) * | 2016-09-13 | 2019-06-24 | 三菱瓦斯化学株式会社 | 光学部材形成組成物 |
| JPWO2018052026A1 (ja) * | 2016-09-13 | 2019-06-24 | 三菱瓦斯化学株式会社 | 化合物、樹脂、組成物、並びにレジストパターン形成方法及び回路パターン形成方法 |
| JP2022130463A (ja) * | 2016-09-13 | 2022-09-06 | 三菱瓦斯化学株式会社 | 化合物、樹脂、組成物、並びにレジストパターン形成方法及び回路パターン形成方法 |
| KR20190053187A (ko) | 2016-09-13 | 2019-05-17 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 화합물, 수지, 조성물 및 패턴 형성방법 |
| KR20190049731A (ko) | 2016-09-13 | 2019-05-09 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 화합물, 수지, 조성물, 그리고 레지스트패턴 형성방법 및 회로패턴 형성방법 |
| WO2018052026A1 (ja) * | 2016-09-13 | 2018-03-22 | 三菱瓦斯化学株式会社 | 化合物、樹脂、組成物、並びにレジストパターン形成方法及び回路パターン形成方法 |
| WO2018052012A1 (ja) * | 2016-09-13 | 2018-03-22 | 三菱瓦斯化学株式会社 | 光学部材形成組成物 |
| KR20190057060A (ko) | 2016-09-20 | 2019-05-27 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 화합물, 수지, 조성물, 그리고 레지스트 패턴 형성방법 및 회로패턴 형성방법 |
| KR20190057062A (ko) | 2016-09-20 | 2019-05-27 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 화합물, 수지, 조성물, 그리고 레지스트 패턴 형성방법 및 패턴 형성방법 |
| WO2018056279A1 (ja) * | 2016-09-20 | 2018-03-29 | 三菱瓦斯化学株式会社 | 化合物、樹脂、組成物、並びにレジストパターン形成方法及びパターン形成方法 |
| JPWO2018097215A1 (ja) * | 2016-11-24 | 2019-10-17 | 三菱瓦斯化学株式会社 | 化合物、樹脂、組成物、パターン形成方法及び精製方法 |
| KR20190085002A (ko) | 2016-11-30 | 2019-07-17 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 화합물, 수지, 조성물 그리고 레지스트패턴 형성방법 및 회로패턴 형성방법 |
| WO2018099836A1 (en) | 2016-11-30 | 2018-06-07 | Az Electronic Materials (Luxembourg) S.A.R.L. | Planarizing coating-forming composition and methods for manufacturing planarizing coating and device using the same |
| WO2018099848A1 (en) | 2016-11-30 | 2018-06-07 | Az Electronic Materials (Luxembourg) S.A.R.L. | Planarising coating-forming composition and methods for manufacturing planarizing coating and device using the same |
| JPWO2018101463A1 (ja) * | 2016-12-02 | 2019-10-24 | 三菱瓦斯化学株式会社 | 化合物、樹脂、組成物、パターン形成方法及び精製方法 |
| JP7090843B2 (ja) | 2016-12-02 | 2022-06-27 | 三菱瓦斯化学株式会社 | 化合物、樹脂、組成物、パターン形成方法及び精製方法 |
| WO2018101463A1 (ja) * | 2016-12-02 | 2018-06-07 | 三菱瓦斯化学株式会社 | 化合物、樹脂、組成物、パターン形成方法及び精製方法 |
| US11798810B2 (en) * | 2017-01-13 | 2023-10-24 | Nissan Chemical Corporation | Resist underlayer film-forming composition containing amide solvent |
| WO2018135498A1 (ja) | 2017-01-18 | 2018-07-26 | 三菱瓦斯化学株式会社 | 化合物、樹脂、組成物及びパターン形成方法 |
| KR20190104348A (ko) | 2017-01-18 | 2019-09-09 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 화합물, 수지, 조성물 및 패턴 형성방법 |
| WO2018155495A1 (ja) | 2017-02-23 | 2018-08-30 | 三菱瓦斯化学株式会社 | 化合物、樹脂、組成物、パターン形成方法及び精製方法 |
| KR20190123732A (ko) | 2017-02-23 | 2019-11-01 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 화합물, 수지, 조성물, 패턴형성방법 및 정제방법 |
| WO2018159707A1 (ja) * | 2017-02-28 | 2018-09-07 | 三菱瓦斯化学株式会社 | 化合物又は樹脂の精製方法、及び組成物の製造方法 |
| JPWO2018159707A1 (ja) * | 2017-02-28 | 2020-01-09 | 三菱瓦斯化学株式会社 | 化合物又は樹脂の精製方法、及び組成物の製造方法 |
| JP2022184850A (ja) * | 2017-02-28 | 2022-12-13 | 三菱瓦斯化学株式会社 | 化合物又は樹脂の精製方法、及び組成物の製造方法 |
| JP2018154600A (ja) * | 2017-03-21 | 2018-10-04 | 三菱瓦斯化学株式会社 | 化合物、樹脂、組成物、パターン形成方法及び精製方法 |
| WO2018212116A1 (ja) | 2017-05-15 | 2018-11-22 | 三菱瓦斯化学株式会社 | リソグラフィー用膜形成材料、リソグラフィー用膜形成用組成物、リソグラフィー用下層膜及びパターン形成方法 |
| WO2019004142A1 (ja) | 2017-06-28 | 2019-01-03 | 三菱瓦斯化学株式会社 | 膜形成材料、リソグラフィー用膜形成用組成物、光学部品形成用材料、レジスト組成物、レジストパターン形成方法、レジスト用永久膜、感放射線性組成物、アモルファス膜の製造方法、リソグラフィー用下層膜形成材料、リソグラフィー用下層膜形成用組成物、リソグラフィー用下層膜の製造方法及び回路パターン形成方法 |
| WO2019098338A1 (ja) | 2017-11-20 | 2019-05-23 | 三菱瓦斯化学株式会社 | リソグラフィー用膜形成用組成物、リソグラフィー用膜、レジストパターン形成方法、及び回路パターン形成方法 |
| WO2019142897A1 (ja) | 2018-01-22 | 2019-07-25 | 三菱瓦斯化学株式会社 | 化合物、樹脂、組成物及びパターン形成方法 |
| KR20200111698A (ko) | 2018-01-22 | 2020-09-29 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 화합물, 수지, 조성물 및 패턴 형성방법 |
| US12134596B2 (en) | 2018-01-31 | 2024-11-05 | Mitsubishi Gas Chemical Company, Inc. | Compound, resin, composition, resist pattern formation method, circuit pattern formation method and method for purifying resin |
| KR20200116460A (ko) | 2018-01-31 | 2020-10-12 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 화합물, 수지, 조성물, 레지스트패턴 형성방법, 회로패턴 형성방법 및 수지의 정제방법 |
| WO2019151400A1 (ja) | 2018-01-31 | 2019-08-08 | 三菱瓦斯化学株式会社 | 化合物、樹脂、組成物、レジストパターン形成方法、回路パターン形成方法及び樹脂の精製方法 |
| KR20200128008A (ko) | 2018-02-28 | 2020-11-11 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 화합물, 수지, 조성물 및 그것을 이용한 리소그래피용 막형성재료 |
| WO2019167359A1 (ja) | 2018-02-28 | 2019-09-06 | 三菱瓦斯化学株式会社 | 化合物、樹脂、組成物及びそれを用いたリソグラフィー用膜形成材料 |
| WO2019208762A1 (ja) | 2018-04-27 | 2019-10-31 | 三菱瓦斯化学株式会社 | レジスト下層膜形成用組成物、リソグラフィー用下層膜、及びパターン形成方法 |
| WO2019208761A1 (ja) | 2018-04-27 | 2019-10-31 | 三菱瓦斯化学株式会社 | レジスト下層膜形成用組成物及びパターン形成方法 |
| US11747728B2 (en) | 2018-05-28 | 2023-09-05 | Mitsubishi Gas Chemical Company, Inc. | Compound, resin, composition, resist pattern formation method, circuit pattern formation method and method for purifying resin |
| WO2019230639A1 (ja) | 2018-05-28 | 2019-12-05 | 三菱瓦斯化学株式会社 | 化合物、樹脂、組成物、レジストパターン形成方法、回路パターン形成方法及び樹脂の精製方法 |
| KR20210014101A (ko) | 2018-05-28 | 2021-02-08 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 화합물, 수지, 조성물, 레지스트패턴 형성방법, 회로패턴 형성방법 및 수지의 정제방법 |
| WO2020004316A1 (ja) | 2018-06-26 | 2020-01-02 | 三菱瓦斯化学株式会社 | リソグラフィー用膜形成材料、リソグラフィー用膜形成用組成物、リソグラフィー用下層膜及びパターン形成方法 |
| JPWO2020027206A1 (ja) * | 2018-07-31 | 2021-08-12 | 三菱瓦斯化学株式会社 | 光学部品形成用組成物及び光学部品、並びに、化合物及び樹脂 |
| KR20210036873A (ko) | 2018-07-31 | 2021-04-05 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 하층막 형성 조성물 |
| WO2020026879A1 (ja) | 2018-07-31 | 2020-02-06 | 三菱瓦斯化学株式会社 | 下層膜形成組成物 |
| WO2020027206A1 (ja) | 2018-07-31 | 2020-02-06 | 三菱瓦斯化学株式会社 | 光学部品形成用組成物及び光学部品、並びに、化合物及び樹脂 |
| WO2020039966A1 (ja) | 2018-08-20 | 2020-02-27 | 三菱瓦斯化学株式会社 | リソグラフィー用膜形成材料、リソグラフィー用膜形成用組成物、リソグラフィー用下層膜及びパターン形成方法 |
| KR20210113990A (ko) | 2019-01-11 | 2021-09-17 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 막형성용 조성물, 레지스트 조성물, 감방사선성 조성물, 아모퍼스막의 제조방법, 레지스트 패턴 형성방법, 리소그래피용 하층막 형성용 조성물, 리소그래피용 하층막의 제조방법 및 회로패턴 형성방법 |
| KR20210121061A (ko) | 2019-01-31 | 2021-10-07 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 화합물, 수지, 조성물, 레지스트 패턴 형성방법, 회로패턴 형성방법 및 수지의 정제방법 |
| JPWO2020218599A1 (ja) * | 2019-04-26 | 2020-10-29 | ||
| WO2020218600A1 (ja) * | 2019-04-26 | 2020-10-29 | 三菱瓦斯化学株式会社 | 光学部品形成用組成物 |
| WO2020218599A1 (ja) * | 2019-04-26 | 2020-10-29 | 三菱瓦斯化学株式会社 | 化合物、樹脂、組成物、レジストパターン形成方法、回路パターン形成方法及び精製方法 |
| JPWO2020218600A1 (ja) * | 2019-04-26 | 2020-10-29 | ||
| KR20220013361A (ko) | 2019-05-27 | 2022-02-04 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 리소그래피용 하층막 형성용 조성물, 리소그래피용 하층막 및 패턴 형성방법 및 정제방법 |
| KR20230035520A (ko) | 2020-07-08 | 2023-03-14 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 막형성용 조성물, 레지스트 조성물, 감방사선성 조성물, 아몰퍼스막의 제조방법, 레지스트패턴 형성방법, 리소그래피용 하층막형성용 조성물, 리소그래피용 하층막의 제조방법 및 회로패턴 형성방법, 광학부재형성용 조성물, 막형성용 수지, 레지스트 수지, 감방사선성 수지, 리소그래피용 하층막형성용 수지 |
| KR20230037485A (ko) | 2020-07-08 | 2023-03-16 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 리소그래피막 형성용 조성물, 레지스트패턴 형성방법, 및 회로패턴 형성방법 |
| KR20230038652A (ko) | 2020-07-15 | 2023-03-21 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 다환 폴리페놀 수지, 조성물, 다환 폴리페놀 수지의 제조방법, 막형성용 조성물, 레지스트 조성물, 레지스트패턴 형성방법, 감방사선성 조성물, 리소그래피용 하층막형성용 조성물, 리소그래피용 하층막의 제조방법, 회로패턴 형성방법, 및 광학부재형성용 조성물 |
| KR20230038645A (ko) | 2020-07-15 | 2023-03-21 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 중합체, 조성물, 중합체의 제조방법, 조성물, 막형성용 조성물, 레지스트 조성물, 감방사선성 조성물, 리소그래피용 하층막형성용 조성물, 레지스트패턴 형성방법, 리소그래피용 하층막의 제조방법, 회로패턴 형성방법, 및 광학부재형성용 조성물 |
| WO2022014684A1 (ja) * | 2020-07-15 | 2022-01-20 | 三菱瓦斯化学株式会社 | 多環ポリフェノール樹脂、組成物、多環ポリフェノール樹脂の製造方法、膜形成用組成物、レジスト組成物、レジストパターン形成方法、感放射線性組成物、リソグラフィー用下層膜形成用組成物、リソグラフィー用下層膜の製造方法、回路パターン形成方法、及び光学部材形成用組成物 |
| JPWO2022014679A1 (ja) * | 2020-07-15 | 2022-01-20 | ||
| WO2022014679A1 (ja) * | 2020-07-15 | 2022-01-20 | 三菱瓦斯化学株式会社 | 重合体、組成物、重合体の製造方法、組成物、膜形成用組成物、レジスト組成物、感放射線性組成物、リソグラフィー用下層膜形成用組成物、レジストパターン形成方法、リソグラフィー用下層膜の製造方法、回路パターン形成方法、及び光学部材形成用組成物 |
| KR20230051123A (ko) | 2020-08-14 | 2023-04-17 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 리소그래피용 하층막형성용 조성물, 하층막 및 패턴 형성방법 |
| KR20230129974A (ko) | 2021-01-19 | 2023-09-11 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 중합체, 조성물, 중합체의 제조방법, 막형성용 조성물, 레지스트 조성물, 레지스트패턴 형성방법, 감방사선성 조성물, 리소그래피용 하층막형성용 조성물, 리소그래피용 하층막의 제조방법, 회로패턴 형성방법, 광학부재형성용 조성물 |
| KR20230145562A (ko) | 2021-02-16 | 2023-10-17 | 미쯔비시 가스 케미칼 컴파니, 인코포레이티드 | 수지, 조성물, 레지스트패턴 형성방법, 회로패턴 형성방법 및 수지의 정제방법 |
| WO2025205091A1 (ja) * | 2024-03-25 | 2025-10-02 | Jsr株式会社 | 半導体基板の製造方法、組成物及び化合物の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20150090691A1 (en) | 2015-04-02 |
| TW201321362A (zh) | 2013-06-01 |
| JP5979384B2 (ja) | 2016-08-24 |
| KR101907481B1 (ko) | 2018-10-12 |
| TWI572596B (zh) | 2017-03-01 |
| EP2743770B1 (en) | 2015-12-30 |
| CN106094440A (zh) | 2016-11-09 |
| JPWO2013024779A1 (ja) | 2015-03-05 |
| CN103733136B (zh) | 2017-06-23 |
| US9316913B2 (en) | 2016-04-19 |
| CN103733136A (zh) | 2014-04-16 |
| EP2743770A4 (en) | 2015-04-01 |
| CN106094440B (zh) | 2019-11-22 |
| KR20140066161A (ko) | 2014-05-30 |
| EP2743770A1 (en) | 2014-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5979384B2 (ja) | リソグラフィー用下層膜形成材料、リソグラフィー用下層膜及びパターン形成方法 | |
| JP6573217B2 (ja) | 化合物、樹脂、リソグラフィー用下層膜形成材料、リソグラフィー用下層膜、パターン形成方法、及び化合物又は樹脂の精製方法 | |
| JP6064904B2 (ja) | フェノール系樹脂およびリソグラフィー用下層膜形成材料 | |
| JP6094947B2 (ja) | フルオレン構造を有する樹脂及びリソグラフィー用下層膜形成材料 | |
| JP6670453B2 (ja) | 化合物、樹脂、リソグラフィー用下層膜形成材料、リソグラフィー用下層膜形成用組成物、リソグラフィー用下層膜、レジストパターン形成方法、回路パターン形成方法及び化合物又は樹脂の精製方法 | |
| JP5853959B2 (ja) | 芳香族炭化水素樹脂、リソグラフィー用下層膜形成組成物及び多層レジストパターンの形成方法 | |
| JP6390911B2 (ja) | 化合物、リソグラフィー用下層膜形成材料、リソグラフィー用下層膜及びパターン形成方法 | |
| JP6388126B2 (ja) | 化合物、リソグラフィー用下層膜形成材料、リソグラフィー用下層膜及びパターン形成方法 | |
| WO2016104214A1 (ja) | 化合物、樹脂、リソグラフィー用下層膜形成材料、リソグラフィー用下層膜、パターン形成方法及び精製方法 | |
| WO2017014191A1 (ja) | 化合物、樹脂、リソグラフィー用下層膜形成材料、リソグラフィー用下層膜形成用組成物、リソグラフィー用下層膜及びレジストパターン形成方法、回路パターン形成方法、及び、精製方法 | |
| JPWO2016158457A1 (ja) | 化合物、樹脂、及びそれらの精製方法、リソグラフィー用の下層膜形成材料、下層膜形成用組成物、及び下層膜、並びに、レジストパターン形成方法、及び回路パターン形成方法 | |
| WO2016143635A1 (ja) | 化合物、樹脂、リソグラフィー用下層膜形成材料、リソグラフィー用下層膜、パターン形成方法及び化合物又は樹脂の精製方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 12824111 Country of ref document: EP Kind code of ref document: A1 |
|
| ENP | Entry into the national phase |
Ref document number: 2013528990 Country of ref document: JP Kind code of ref document: A |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 2012824111 Country of ref document: EP |
|
| ENP | Entry into the national phase |
Ref document number: 20147003592 Country of ref document: KR Kind code of ref document: A |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 14238442 Country of ref document: US |