WO2015146282A1 - 研磨用組成物 - Google Patents
研磨用組成物 Download PDFInfo
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- WO2015146282A1 WO2015146282A1 PCT/JP2015/052761 JP2015052761W WO2015146282A1 WO 2015146282 A1 WO2015146282 A1 WO 2015146282A1 JP 2015052761 W JP2015052761 W JP 2015052761W WO 2015146282 A1 WO2015146282 A1 WO 2015146282A1
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- WIPO (PCT)
- Prior art keywords
- polishing
- polishing composition
- acid
- composition
- indole
- Prior art date
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Classifications
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09G—POLISHING COMPOSITIONS; SKI WAXES
- C09G1/00—Polishing compositions
- C09G1/02—Polishing compositions containing abrasives or grinding agents
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- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
- C09K3/1409—Abrasive particles per se
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/26—Organic compounds containing oxygen
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/28—Organic compounds containing halogen
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/32—Organic compounds containing nitrogen
- C11D7/3209—Amines or imines with one to four nitrogen atoms; Quaternized amines
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G5/00—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents
- C23G5/02—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents
- C23G5/028—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents containing halogenated hydrocarbons
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- H10P52/00—
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- H10P52/403—
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- H10P70/00—
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- H10P90/129—
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- H10P95/062—
Definitions
- the present invention relates to a polishing composition. More specifically, the present invention relates to a technique for removing impurities remaining on the surface of an object to be polished after CMP.
- CMP chemical mechanical polishing
- Impurities are produced by polishing abrasive grains derived from the polishing composition used in CMP, organic substances such as metals, anticorrosives, and surfactants, silicon-containing materials that are objects to be polished, metal wiring, plugs, etc.
- silicon-containing materials, metals, and organic substances such as pad scraps generated from various pads are included.
- the surface of the semiconductor substrate is contaminated with these impurities, it may adversely affect the electrical characteristics of the semiconductor and reduce the reliability of the device. Furthermore, if the contamination by organic matter is significant, the device may be destroyed. Therefore, it is necessary to introduce a cleaning process after the CMP process to remove these impurities from the surface of the semiconductor substrate.
- an object of the present invention is to provide a means for sufficiently removing impurities remaining on the surface of an object to be polished after CMP.
- the present inventors have conducted intensive research to solve the above problems. As a result, the present inventors have found that the cleaning effect in the subsequent cleaning process is remarkably improved by polishing the object to be polished with a novel polishing composition after CMP, thereby completing the present invention.
- the polishing composition of the present invention is used after polishing with a polishing composition (A) containing abrasive grains or an organic compound (A).
- the polishing composition includes an organic compound (B) having at least one atom selected from the group consisting of a fluorine atom, an oxygen atom, a nitrogen atom, and a chlorine atom and having a molecular weight of 100 or more, a pH adjuster And 0 to 1% by weight of abrasive grains.
- Polishing composition which concerns on one Embodiment of this invention is polishing composition used after grind
- polishing composition (B) in order to distinguish the polishing composition which concerns on this invention from polishing composition (A), it is also called “polishing composition (B).” Further, “polishing using the polishing composition (A)” and “polishing using the polishing composition (B)” are also referred to as “polishing (A)” and “polishing (B)”, respectively.
- the surface of the object to be polished after CMP has abrasive grains, metals, anticorrosives, and surface activity derived from the polishing composition (polishing composition (A)) used in CMP.
- Contaminated by impurities such as organic materials such as agents, silicon-containing materials that are objects to be polished, silicon-containing materials and metals generated by polishing metal wiring and plugs, and organic materials such as pad scraps generated from various pads ing.
- the polishing composition (B) of the present embodiment is applied to the polishing of the polishing object to which such impurities are attached, so that the cleaning effect in the subsequent cleaning step is remarkably improved, and impurities are removed from the surface of the polishing object. It can be removed sufficiently.
- polishing composition (B) of the present embodiment can exert such an effect
- the present inventors speculate as follows.
- the present invention is not limited by the above mechanism.
- the polishing (A) abrasive grains and organic compounds derived from the polishing composition (A), impurities generated by polishing the polishing object, pad scraps, and the like adhere to the surface of the polishing object.
- the adhesion of impurities is considered to occur due to charges charged on the surface of the impurity and the surface of the object to be polished, or hydrophobic interaction.
- the organic compound (B) contained in the polishing composition (B) of this embodiment contains at least one atom selected from the group consisting of a fluorine atom, an oxygen atom, a nitrogen atom, and a chlorine atom. However, due to the presence of these high electronegativity atoms, polarization occurs in the molecule, and some of them are hydrophilic.
- the molecular weight is 100 or more, it also has a hydrophobic portion. Therefore, by polishing using the polishing composition (B), the organic compound (B) is replaced with impurities, or surroundings around the impurities due to hydrophobic interaction, so that they can be polished. Impurities are easily removed from the object surface.
- the organic compound (B) since the organic compound (B) has a part of the molecule that is hydrophilic as described above, the wettability of the surface of the object to be polished is improved, and the organic compound (B) is then washed with water, etc. Compound (B) itself can be easily removed.
- each structural component of the polishing composition (B) of this form is demonstrated in detail.
- Organic compound (B) has a function of easily removing impurities remaining on the surface of the object to be polished by CMP in a subsequent cleaning step.
- the organic compound (B) is characterized by containing at least one atom selected from the group consisting of a fluorine atom, an oxygen atom, a nitrogen atom, and a chlorine atom. Since the organic compound (B) has such a high electronegativity atom, polarization occurs in the molecule, and a part of the organic compound (B) may have hydrophilicity. As a result, impurities can be easily removed and the wettability of the surface of the object to be polished can be improved.
- an organic compound (B) has an at least 1 sort (s) of atom selected from the group which consists of a fluorine atom, an oxygen atom, and a nitrogen atom from a viewpoint that polarization
- the functional group (functional group containing an oxygen atom and / or a nitrogen atom) contained in the organic compound (B) is not particularly limited, and examples thereof include a hydroxy group and an amino group.
- an organic compound (B) has a hydroxyl group from a viewpoint of wettability improvement.
- an organic compound (B) has 3 or more of hydroxyl groups in 1 molecule.
- the organic compound (B) preferably has one or more amino groups.
- the organic compound (B) may have a cyclic amine structure.
- organic compound (B) examples include hydroxyethyl cellulose (HEC), polyvinyl alcohol (PVA), polyglycerin, polyoxyethylene polyglyceryl ether and the like as the organic compound having a hydroxy group.
- organic compound having an amino group examples include polyoxyethylene alkylamine and polyoxyethylene fatty acid amide ether.
- organic compound having a cyclic amine structure examples include polyvinyl pyrrolidone (PVP).
- organic compound having a fluorine atom examples include fluorinated alkyl-substituted glycol and partially fluorinated alcohol-substituted glycol.
- the compound having a chlorine atom examples include alkyl chloride-substituted glycol and partially chlorinated alcohol-substituted glycol.
- the organic compound (B) may be synthesized by a known method, or a commercially available product may be used. Of these, hydroxyethyl cellulose (HEC), polyvinyl alcohol (PVA), polyvinyl pyrrolidone (PVP), polyoxyethylene (6) polyglyceryl ether, polyoxyethylene laurin from the standpoints of removing impurities and availability. Preferred are acid amide ether, polyoxyethylene stearylamine, partially fluorinated alcohol-substituted glycol and the like. In addition, the said organic compound (B) may be used individually by 1 type, and may be used in combination of 2 or more type.
- HEC hydroxyethyl cellulose
- PVA polyvinyl alcohol
- PVP polyvinyl pyrrolidone
- polyoxyethylene (6) polyglyceryl ether polyoxyethylene laurin from the standpoints of removing impurities and availability.
- the molecular weight (weight average molecular weight) of the organic compound (B) is essentially 100 or more, preferably 100 to 100,000, more preferably 300 to 80,000, and further preferably 500 to 50,000.
- the molecular weight (weight average molecular weight) is less than 100, it cannot have a hydrophobic portion, and a sufficient impurity removing effect cannot be exhibited. Therefore, the molecular weight is 100 or more.
- the molecular weight (weight average molecular weight) is 100,000 or less, it can be dispersed in water.
- the value measured by the GPC-MALS method is adopted as the weight average molecular weight.
- the weight average molecular weight may be measured by NMR method.
- the content of the organic compound (B) is not particularly limited, but is preferably 0.0001 to 1% by mass, more preferably 0.0005 to 0.8% by mass, based on the total amount of the polishing composition. More preferably, the content is 0.001 to 0.5% by mass.
- the content of the organic compound (B) is 0.0001% by mass or more, impurities (particularly organic substances) on the surface of the object to be polished can be sufficiently removed.
- the content is 1% by mass or less, it is possible to suppress the organic compound (B) from remaining on the surface of the object to be polished after polishing (B).
- the polishing composition of this embodiment essentially contains a pH adjuster, whereby the polishing composition can be adjusted to a desired pH range.
- the pH of the polishing composition is not particularly limited, but is preferably 1 to 13, more preferably 1.5 to 12.5, and further preferably 2 to 12. When the pH is 2 or more, handling becomes easy. On the other hand, when the pH is 12 or less, dissolution of the abrasive grains can be suppressed when the abrasive grains are included.
- an acid or alkali used as a pH adjuster in this technical field can be appropriately employed.
- the acid or alkali may be an inorganic compound or an organic compound.
- the acid examples include inorganic acids such as sulfuric acid, nitric acid, boric acid, carbonic acid, hypophosphorous acid, phosphorous acid and phosphoric acid; formic acid, acetic acid, propionic acid, butyric acid, valeric acid, 2-methylbutyric acid, n- Hexanoic acid, 3,3-dimethylbutyric acid, 2-ethylbutyric acid, 4-methylpentanoic acid, n-heptanoic acid, 2-methylhexanoic acid, n-octanoic acid, 2-ethylhexanoic acid, benzoic acid, glycolic acid, salicylic acid , Glyceric acid, oxalic acid, malonic acid, succinic acid, glutaric acid, adipic acid, pimelic acid, carboxylic acids such as maleic acid, phthalic acid, malic acid, tartaric acid, citric acid and lactic acid, and methanesulfonic acid, ethan
- alkali examples include alkali metal hydroxides such as potassium hydroxide, ammonia water, amines such as ethylenediamine and piperazine, and quaternary ammonium salts such as tetramethylammonium and tetraethylammonium.
- these acids or alkalis may be used alone or in combination of two or more.
- the acid or alkali content in the polishing composition is not particularly limited as long as the polishing composition is in the above pH range.
- the polishing composition of this embodiment preferably contains water as a dispersion medium or solvent for dispersing or dissolving each component. More preferably, the solvent is water. From the viewpoint of suppressing the inhibition of the action of other components, water containing as little impurities as possible is preferable. Specifically, after removing impurity ions with an ion exchange resin, pure water from which foreign matters are removed through a filter is used. Water, ultrapure water, or distilled water is preferred.
- the polishing composition of this embodiment may further contain abrasive grains as necessary.
- the concentration of the organic substance having a molecular weight of 100 or more other than the organic compound (B) is preferably a low concentration, and is substantially not included.
- the polishing composition of the present embodiment is substantially free of abrasive grains.
- the said abrasive grain is the same as the abrasive grain contained in the below-mentioned polishing composition (A), and demonstrates in detail in polishing composition (A).
- the content of abrasive grains is essentially 1% by mass or less, preferably 0.8% by mass or less, more preferably 0.5% by mass or less, based on the total amount of the polishing composition. It is. When the content of the abrasive grains exceeds 1% by mass, the abrasive grains may remain on the surface of the object to be polished even in the subsequent cleaning step.
- the method for producing the polishing composition (B) of the present embodiment is not particularly limited, and can be obtained by stirring and mixing each of the above components in water.
- the temperature at which each component is mixed is not particularly limited, but is preferably 10 to 40 ° C., and may be heated to increase the dissolution rate. Further, the mixing time is not particularly limited.
- Polishing composition (A) contains at least one of an abrasive grain or an organic compound (A).
- the abrasive grains have an action of mechanically polishing the object to be polished, and improve the polishing rate of the object to be polished by the polishing composition.
- the abrasive grains may be any of inorganic particles, organic particles, and organic-inorganic composite particles.
- the inorganic particles include particles made of a metal oxide such as silica, alumina, ceria, titania, silicon nitride particles, silicon carbide particles, and boron nitride particles.
- Specific examples of the organic particles include polymethyl methacrylate (PMMA) particles.
- PMMA polymethyl methacrylate
- silica is preferable and colloidal silica is more preferable from the viewpoint of availability and cost.
- These abrasive grains may be used alone or in combination of two or more.
- a commercial item may be used for an abrasive grain and a synthetic product may be used.
- Abrasive grains may be surface-modified. Since ordinary colloidal silica has a zeta potential value close to zero under acidic conditions, silica particles are not electrically repelled with each other under acidic conditions and are likely to agglomerate. On the other hand, abrasive grains whose surfaces are modified so that the zeta potential has a relatively large negative value even under acidic conditions are strongly repelled from each other and dispersed well even under acidic conditions, resulting in storage of the polishing composition. Stability will be improved. Such surface-modified abrasive grains can be obtained, for example, by mixing a metal such as aluminum, titanium, or zirconium, or an oxide thereof with the abrasive grains and doping the surface of the abrasive grains.
- colloidal silica organic acid-modified colloidal silica having an organic acid immobilized on the surface
- the organic acid is immobilized on the surface of the colloidal silica contained in the polishing composition, for example, by chemically bonding a functional group of the organic acid to the surface of the colloidal silica. If the colloidal silica and the organic acid are simply allowed to coexist, the organic acid is not fixed to the colloidal silica.
- colloidal silica (sulfonic acid-modified colloidal silica) in which sulfonic acid, which is one of organic acids, is immobilized is described in “Sulphonic acid-functionalized silica through quantified of thioid groups”, Chem.
- a silane coupling agent having a thiol group such as 3-mercaptopropyltrimethoxysilane is coupled to colloidal silica and then oxidized with hydrogen peroxide to fix the sulfonic acid on the surface.
- the colloidal silica thus obtained can be obtained.
- the carboxylic acid is immobilized on colloidal silica, for example, “Novel Silene Coupling Agents Containing a Photolabile 2-Nitrobenzyl Ester for Induction of a Carboxy Group” the Surface of Silica Gel ", Chemistry Letters, 3, 228-229 (2000).
- colloidal silica in which a carboxylic acid is immobilized on the surface can be obtained by irradiating with light after coupling to.
- the lower limit of the average primary particle diameter of the abrasive grains is preferably 5 nm or more, more preferably 7 nm or more, and further preferably 10 nm or more.
- the upper limit of the average primary particle diameter of the abrasive grains is preferably 500 nm or less, more preferably 100 nm or less, and further preferably 70 nm or less.
- the polishing rate of the object to be polished by the polishing composition is improved, and the occurrence of dishing on the surface of the object to be polished after polishing with the polishing composition is further suppressed. Can do.
- the average primary particle diameter of an abrasive grain is calculated based on the specific surface area of the abrasive grain measured by BET method, for example.
- the lower limit of the content of abrasive grains is preferably 0.005% by mass or more, more preferably 0.5% by mass or more.
- the content is more preferably at least 3% by mass, and most preferably at least 3% by mass.
- the upper limit of content of an abrasive grain is 50 mass% or less, It is more preferable that it is 30 mass%, It is further more preferable that it is 15 mass% or less. If it is such a range, the grinding
- the organic compound (A) is not particularly limited, and examples include agents added to suppress the polishing rate and the etching rate. Specifically, metal anticorrosives for metals, dihydric alcohols for silicon-containing materials, etc. Is mentioned.
- the metal anticorrosive is not particularly limited, but is preferably a heterocyclic compound or a surfactant.
- the number of heterocyclic rings in the heterocyclic compound is not particularly limited.
- the heterocyclic compound may be a monocyclic compound or a polycyclic compound having a condensed ring.
- More specific examples include pyrazole compounds such as 1H-pyrazole, 4-nitro-3-pyrazolecarboxylic acid, 3,5-pyrazolecarboxylic acid, 3-amino-5-phenylpyrazole, 5-amino. -3-phenylpyrazole, 3,4,5-tribromopyrazole, 3-aminopyrazole, 3,5-dimethylpyrazole, 3,5-dimethyl-1-hydroxymethylpyrazole, 3-methylpyrazole, 1-methylpyrazole, 3-amino-5-methylpyrazole, 4-amino-pyrazolo [3,4-d] pyrimidine, allopurinol, 4-chloro-1H-pyrazolo [3,4-d] pyrimidine, 3,4-dihydroxy-6-methylpyrazolo (3,4-b) -pyridine, 6-methyl-1H-pyrazolo [3,4-b] pyridine-3 Amine, and the like.
- pyrazole compounds such as 1H-pyrazole, 4-nitro-3-pyr
- imidazole compound examples include imidazole, 1-methylimidazole, 2-methylimidazole, 4-methylimidazole, 1,2-dimethylpyrazole, 2-ethyl-4-methylimidazole, 2-isopropylimidazole, benzimidazole, 5, 6-dimethylbenzimidazole, 2-aminobenzimidazole, 2-chlorobenzimidazole, 2-methylbenzimidazole, 2- (1-hydroxyethyl) benzimidazole, 2-hydroxybenzimidazole, 2-phenylbenzimidazole, 2,5 -Dimethylbenzimidazole, 5-methylbenzimidazole, 5-nitrobenzimidazole and the like.
- triazole compound examples include 1,2,3-triazole (1H-BTA), 1,2,4-triazole, 1-methyl-1,2,4-triazole, methyl-1H-1,2,4- Triazole-3-carboxylate, 1,2,4-triazole-3-carboxylic acid, methyl 1,2,4-triazole-3-carboxylate, 1H-1,2,4-triazole-3-thiol, 3, 5-diamino-1H-1,2,4-triazole, 3-amino-1,2,4-triazole-5-thiol, 3-amino-1H-1,2,4-triazole, 3-amino-5 Benzyl-4H-1,2,4-triazole, 3-amino-5-methyl-4H-1,2,4-triazole, 3-nitro-1,2,4-triazole, 3-bromo-5-nitro- 1 2,4-triazole, 4- (1,2,4-triazol-1-yl) phenol, 4-amino-1,2,4-triazole, 4-amino
- tetrazole compounds include 1H-tetrazole, 5-methyltetrazole, 5-aminotetrazole, 5-phenyltetrazole and the like.
- Examples of the indazole compound include 1H-indazole, 5-amino-1H-indazole, 5-nitro-1H-indazole, 5-hydroxy-1H-indazole, 6-amino-1H-indazole, and 6-nitro-1H-indazole. 6-hydroxy-1H-indazole, 3-carboxy-5-methyl-1H-indazole, and the like.
- indole compounds include 1H-indole, 1-methyl-1H-indole, 2-methyl-1H-indole, 3-methyl-1H-indole, 4-methyl-1H-indole, 5-methyl-1H-indole, 6-methyl-1H-indole, 7-methyl-1H-indole, 4-amino-1H-indole, 5-amino-1H-indole, 6-amino-1H-indole, 7-amino-1H-indole, 4- Hydroxy-1H-indole, 5-hydroxy-1H-indole, 6-hydroxy-1H-indole, 7-hydroxy-1H-indole, 4-methoxy-1H-indole, 5-methoxy-1H-indole, 6-methoxy- 1H-indole, 7-methoxy-1H-indole, 4-chloro-1H-i Dole, 5-chloro-1H-indole, 6-chloro
- triazole compounds are preferred, and in particular, 1H-benzotriazole, 5-methyl-1H-benzotriazole, 5,6-dimethyl-1H-benzotriazole, 1- [N, N-bis (hydroxy Ethyl) aminomethyl] -5-methylbenzotriazole, 1- [N, N-bis (hydroxyethyl) aminomethyl] -4-methylbenzotriazole, 1,2,3-triazole, 1,2,4-triazole preferable. Since these heterocyclic compounds have high chemical or physical adsorptive power to the surface of the object to be polished, a stronger protective film can be formed on the surface of the object to be polished.
- polishing composition (B) of the present invention This is advantageous in improving the smoothness of the surface of the object to be polished after polishing with the polishing composition (B) of the present invention.
- a commercial product may be used for a metal corrosion inhibitor and a synthetic product may be used.
- examples of the surfactant used as a metal anticorrosive include an anionic surfactant, a cationic surfactant, an amphoteric surfactant, and a nonionic surfactant.
- anionic surfactant examples include polyoxyethylene alkyl ether acetic acid, polyoxyethylene alkyl sulfate, alkyl sulfate, polyoxyethylene alkyl ether sulfate, alkyl ether sulfate, alkylbenzene sulfonic acid, alkyl phosphate ester, polyphosphate Examples thereof include oxyethylene alkyl phosphate ester, polyoxyethylene sulfosuccinic acid, alkyl sulfosuccinic acid, alkyl naphthalene sulfonic acid, alkyl diphenyl ether disulfonic acid, and salts thereof.
- Examples of the cationic surfactant include alkyl trimethyl ammonium salt, alkyl dimethyl ammonium salt, alkyl benzyl dimethyl ammonium salt, and alkyl amine salt.
- amphoteric surfactants include alkyl betaines and alkyl amine oxides.
- nonionic surfactant examples include, for example, polyoxyalkylene alkyl ethers such as polyoxyethylene alkyl ether, sorbitan fatty acid ester, glycerin fatty acid ester, polyoxyethylene fatty acid ester, polyoxyethylene alkylamine, and alkyl alkanolamide. Etc. Of these, polyoxyalkylene alkyl ether is preferred.
- preferred surfactants are polyoxyethylene alkyl ether acetic acid, polyoxyethylene alkyl ether sulfate, alkyl ether sulfate, and alkylbenzene sulfonate. Since these surfactants have a high chemical or physical adsorption force to the surface of the object to be polished, a stronger protective film can be formed on the surface of the object to be polished. This is advantageous in improving the smoothness of the surface of the object to be polished after polishing with the polishing composition (B) of the present invention.
- the lower limit of the content of the metal anticorrosive in the polishing composition (A) is preferably 0.001 g / L or more, more preferably 0.005 g / L or more, and 0.01 g / L or more. More preferably.
- the upper limit of the content of the metal anticorrosive in the polishing composition (A) is preferably 10 g / L or less, more preferably 5 g / L or less, and 2 g / L or less. Further preferred. If it is such a range, melt
- dihydric alcohol examples include methanediol, ethylene glycol (1,2-ethanediol), 1,2-propanediol, propylene glycol (1,3-propanediol), 1,2-butanediol, 1,4 -Butanediol, 1,2-pentanediol, 1,5-pentanediol, 1,6-hexanediol, 1,2-hexanediol, 1,5-hexanediol, 2,5-hexanediol, 1,7- Heptanediol, 1,8-octanediol, 1,2-octanediol, 1,9-nonanediol, 1,2-decanediol, 1,10-decanediol, 1,12-dodecanediol, 1,2-dodecane Diol, 1,14-tetradecanediol,
- ethylene glycol, propylene glycol, diethylene glycol, polyethylene glycol, and polyalkylene glycol are preferable.
- the molecular weight of the dihydric alcohol is preferably less than 20000.
- the molecular weight is 20000 or more, it may be difficult to uniformly disperse or dissolve in the dispersion medium or solvent, and it may be difficult to handle as a slurry due to the effect of precipitation as a solid.
- the molecular weight is a weight average molecular weight, and the weight average molecular weight is preferably less than 20,000, more preferably 10,000 or less, More preferably, it is 5000 or less.
- the value measured by the chromatography method (GPC method) is employ
- the content of the dihydric alcohol in the polishing composition (A) is preferably 0.0001% by mass or more, more preferably 0.0005% by mass or more, and further preferably 0.001% by mass or more.
- content of the dihydric alcohol increases, there is an advantage that the polishing rate of the layer containing a material different from the polishing object such as polycrystalline silicon or TEOS is further suppressed.
- content of the bihydric alcohol in polishing composition (A) is 10 mass% or less, More preferably, it is 5 mass% or less, More preferably, it is 1 mass% or less.
- As the dihydric alcohol content decreases there is an advantage that agglomeration of abrasive grains can be avoided.
- the dispersion medium or solvent for dispersing or dissolving each component can be the same as the dispersion medium or solvent in the polishing composition (B) described above. The description is omitted here. Moreover, you may adjust pH using the pH adjuster similar to polishing composition (B) as needed.
- the method for producing the polishing composition (A) and the method for polishing (A) are not particularly limited, and techniques such as CMP in this technical field can be appropriately employed.
- the polishing object in the present embodiment is a polishing object that has undergone polishing (A) using the above-described polishing composition (A), and preferably is a polishing object after polishing (A) and before the cleaning step. is there.
- the polishing object in this embodiment is not particularly limited, but is preferably a metal, a group IV material, a substrate containing a silicon material, or the like.
- the substrate can be manufactured by polishing the object to be polished.
- the metal include Cu, W, Al, Ta, and TiN.
- the group IV material include Ge (germanium), SiGe (silicon germanium), and the like.
- the silicon material include silicon, polysilicon, silicon oxide, and silicon nitride.
- the polishing object is preferably a hydrophobic substance from the viewpoint that the effects of the present invention can be further obtained.
- the hydrophobic substance means that before polishing, a water droplet is dropped on the surface of the substance using a wafer cleaning treatment evaluation apparatus CA-X200 manufactured by Kyowa Interface Science Co., Ltd.
- the “contact angle” refers to a substance that exceeds 40 °.
- the hydrophobic substance include substances other than oxides, and metals such as Cu, W, Al, Ta, and TiN, and silicon materials such as polysilicon and silicon nitride.
- silicon, polysilicon, and silicon nitride are preferable from the viewpoint that it is necessary to more strictly reduce the residue of organic matter and abrasive grains.
- a polishing apparatus As a polishing apparatus, a general holder having a polishing surface plate on which a holder for holding a substrate having a polishing object and a motor capable of changing the number of rotations are attached and a polishing pad (polishing cloth) can be attached A polishing apparatus can be used.
- polishing pad a general nonwoven fabric, polyurethane, porous fluororesin, or the like can be used without particular limitation. It is preferable that the polishing pad is grooved so that the polishing liquid accumulates.
- the polishing pad is preferably a soft pad.
- the pad hardness is 60 or less, preferably 50 or less. By using such a soft pad, scratches (scratches) due to polishing can be reduced.
- the pad hardness means the Shore D hardness of the polishing pad.
- the rotation speed of the polishing platen and the rotation speed of the head are preferably 10 to 500 rpm, and the pressure applied to the substrate having the object to be polished (polishing pressure) is 0.5 to 10 psi. preferable.
- the method of supplying the polishing composition to the polishing pad is not particularly limited, and for example, a method of continuously supplying (pouring) with a pump or the like is employed.
- the supply amount is not limited, but the surface of the polishing pad is preferably always covered with the polishing composition of the present invention, and preferably about 10 to 10000 ml / min.
- the polishing time is not particularly limited, but the step using the polishing composition (B) is preferably 5 to 60 seconds. In such a range, impurities can be sufficiently removed.
- the cleaning step is a step of rubbing while applying pressure with a brush such as PVA sponge while applying water or a special cleaning liquid to the wafer.
- a brush such as PVA sponge
- water or a special cleaning liquid to the wafer.
- Polishing object 200 mm polysilicon wafer polishing apparatus: 200 mm wafer single-side polishing apparatus
- Polishing pad foamed polyurethane pad (hardness 90)
- Supply of polishing composition Overflow polishing composition supply amount: 100 ml / min Head rotation speed: 87 rpm Polishing time: 60 seconds.
- polishing device Single-side polishing device for 200 mm wafers
- Polishing pad Polyurethane foam pad (hardness 90)
- Polishing pressure 1.5 psi Polishing platen rotation speed: 88rpm
- Supply of polishing composition Flowing slurry supply amount: 100 ml / min Head rotation speed: 85 rpm Polishing time: 10 seconds.
- Example 2 In the above ⁇ polishing using polishing composition (B)>, polishing and cleaning were performed in the same manner as in Example 1 except that the polishing time was 15 seconds.
- TMAH tetramethylammonium hydroxide
- Polishing object 300 mm polysilicon wafer polishing device: 300 mm wafer single-side polishing device
- Polishing pad foamed polyurethane pad (hardness 90)
- Polishing pressure 2.0 psi Polishing platen rotation speed: 63rpm
- Polishing composition supply Overflow polishing composition supply amount: 300 ml / min Head rotation speed: 57 rpm Polishing time: 60 seconds.
- Polishing device 300 mm wafer single-side polishing device
- Polishing pad Suede type polishing pad (hardness 10)
- Polishing pressure 1.5 psi Polishing platen rotation speed: 88rpm
- Supply of polishing composition Flowing slurry supply amount: 300 ml / min Head rotation speed: 85 rpm Polishing time: 30 seconds.
- Example 4 In the above ⁇ polishing using polishing composition (B)>, polishing and cleaning were performed in the same manner as in Example 3 except that a suede type polishing pad (hardness 42) was used as the polishing pad.
- polishing was performed under the following conditions.
- Polishing object 300 mm TiN wafer, 300 mm Si wafer polishing apparatus: single-side polishing apparatus for 300 mm wafer Polishing pad: foamed polyurethane pad (hardness 90) Polishing pressure: 1.5 psi Polishing platen rotation speed: 93rpm Polishing composition supply: Overflow polishing composition supply amount: 200 ml / min Head rotation speed: 87 rpm Polishing time: 60 seconds.
- polishing composition B2 is used as the polishing composition (B), and polishing is performed under the following conditions. went. Polishing device: 300 mm wafer single-side polishing device Polishing pad: Suede type polishing pad (hardness 42) Polishing pressure: 1.5 psi Polishing platen rotation speed: 88rpm Supply of polishing composition: Flowing slurry supply amount: 300 ml / min Head rotation speed: 85 rpm Polishing time: 20 seconds.
- polishing composition B3 composition: 0.1% by mass of polyvinyl alcohol (molecular weight 10,000), solvent: water, ammonia Polishing and cleaning were performed in the same manner as in Example 5 except that the pH was adjusted to 10 with water.
- polishing composition B4 composition: polyvinylpyrrolidone (molecular weight 40000) 0.6 mass%, solvent: water, ammonia Polishing and cleaning were performed in the same manner as in Example 5 except that the pH was adjusted to 10 with water.
- polishing was performed under the following conditions.
- Polishing object polysilicon wafer polishing device: 300 mm wafer single-side polishing device
- Polishing pad foamed polyurethane pad (hardness 90)
- Polishing pressure 1.8 psi Polishing platen rotation speed: 97rpm
- Supply of polishing composition Overflow polishing composition supply amount: 200 ml / min Head rotation speed: 103 rpm Polishing time: 60 seconds.
- Polishing device 300 mm wafer single-side polishing device
- Polishing pad Polyurethane foam pad (hardness 90)
- Polishing pressure 1.5 psi Polishing platen rotation speed: 88rpm
- Supply of polishing composition Flowing slurry supply amount: 200 ml / min Head rotation speed: 85 rpm Polishing time: 15 seconds.
- the water contact angle was measured using the ⁇ / 2 method.
- a wafer cleaning treatment evaluation apparatus CA-X200 manufactured by Kyowa Interface Science Co., Ltd. was used.
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Abstract
Description
本発明の一実施形態に係る研磨用組成物は、砥粒または有機化合物(A)を含有する研磨用組成物(A)を用いて研磨した後に使用される研磨用組成物であって、フッ素原子、酸素原子、窒素原子、及び塩素原子からなる群より選択される少なくとも1種の原子を含み分子量が100以上である有機化合物(B)、pH調整剤、並びに0~1質量%の砥粒を含有することを特徴とする。
有機化合物(B)は、CMPにより研磨対象物の表面に残留する不純物を、後の洗浄工程において除去しやすくする機能を有する。有機化合物(B)は、フッ素原子、酸素原子、窒素原子、及び塩素原子からなる群より選択される少なくとも1種の原子を含むことを特徴とする。有機化合物(B)は、このような電気陰性度が高い原子を有することにより、分子内で分極が起こり、一部が親水性を有し得る。その結果、不純物が除去されやすくなる共に、研磨対象物表面の濡れ性を向上させることができる。なかでも、より分極が起こりやすくなるという観点から、有機化合物(B)は、フッ素原子、酸素原子、及び窒素原子からなる群より選択される少なくとも1種の原子を有することが好ましい。
本形態の研磨用組成物は、pH調整剤を必須に含み、これにより研磨用組成物が所望のpH範囲に調整されうる。なお、研磨用組成物のpHは、特に制限されないが、好ましくは1~13であり、より好ましくは1.5~12.5であり、さらに好ましくは2~12である。pHが2以上であると、取扱いが容易になる。一方、pHが12以下であると、砥粒が含まれる際に、砥粒の溶解を抑制することができる。
本形態の研磨用組成物は、各成分を分散または溶解するための分散媒または溶媒として水を含むことが好ましい。より好ましくは、溶媒が水である。他の成分の作用を阻害することを抑制するという観点から、不純物をできる限り含有しない水が好ましく、具体的には、イオン交換樹脂にて不純物イオンを除去した後、フィルタを通して異物を除去した純水や超純水、または蒸留水が好ましい。
本形態の研磨用組成物は、必要に応じて、砥粒をさらに含んでもよい。ただし、本発明の効果をより一層向上させるためには有機化合物(B)以外の分子量が100以上である有機物の濃度は低濃度であることが好ましく、実質的には含まないことが好ましい。
研磨用組成物(A)は、砥粒または有機化合物(A)の少なくとも一方を含有する。
the Surface of Silica Gel”, Chemistry Letters, 3, 228-229 (2000)に記載の方法で行うことができる。具体的には、光反応性2-ニトロベンジルエステルを含むシランカップリング剤をコロイダルシリカにカップリングさせた後に光照射することにより、カルボン酸が表面に固定化されたコロイダルシリカを得ることができる。
本発明の他の一形態によると、研磨対象物を上記研磨用組成物(B)を使用して研磨する、研磨方法が提供される。また、さらに他の一形態によると、研磨対象物を、当該研磨方法で研磨する工程を含む基板の製造方法が提供される。以下、本形態の研磨方法および基板の製造方法について説明する。なお、本形態における研磨対象物は、上述の研磨用組成物(A)を用いた研磨(A)を経た研磨対象物であり、好ましくは研磨(A)後、洗浄工程前の研磨対象物である。
本形態における研磨対象物は、特に制限されないが、金属や、IV族材料、ケイ素材料を含む基板などであることが好ましい。当該研磨対象物を研磨して基板が製造されうる。金属としては、例えば、Cu、W、Al、Ta、TiNなどが挙げられる。IV族材料の例としては、Ge(ゲルマニウム)、SiGe(シリコンゲルマニウム)等が挙げられる。また、ケイ素材料の例としては、シリコン、ポリシリコン、酸化シリコン、窒化シリコン等が挙げられる。
本形態においては、研磨終了後、研磨対象物の表面を洗浄する洗浄工程を設けることが好ましい。洗浄工程とは水や特殊な洗浄液をウェハにかけながら、同時にPVAスポンジ等のブラシで圧力をかけながらこする工程である。また、洗浄後の研磨対象物は、スピンドライヤ等により表面に付着した水滴を払い落として乾燥させることが好ましい。
<研磨用組成物(A)を使用した研磨(CMP)>
研磨用組成物(A)として、研磨用組成物A1(組成;スルホン酸修飾されたコロイダルシリカ(“Sulfonic acid-functionalized silica through quantitative oxidation of thiol groups”, Chem. Commun. 246-247 (2003)に記載の方法で作成、一次粒子径30nm、二次粒子径60nm、以下同様)6質量%、ポリエチレングリコール(分子量400)0.02質量%、溶媒:水、60%硝酸でpH=2に調整)を使用し、下記の条件で研磨を行った。
研磨対象物:200mmポリシリコンウェハ
研磨装置:200mmウェハ用片面研磨装置
研磨パッド:発砲ポリウレタン製パット(硬度90)
研磨圧力:2.3psi(1psi=6894.76Pa、以下同様)
研磨定盤回転数:93rpm
研磨用組成物の供給:掛け流し
研磨用組成物供給量:100ml/分
ヘッド回転数:87rpm
研磨時間:60秒間。
上記研磨用組成物(A)を使用した研磨(CMP)の後のポリシリコンについて、研磨用組成物(B)として、研磨用組成物B1(組成;ポリビニルアルコール(分子量10000)0.1質量%、溶媒;水、クエン酸でpH=4に調整)を使用し、下記の条件で研磨を行った。
研磨装置:200mmウェハ用片面研磨装置
研磨パッド:発砲ポリウレタン製パット(硬度90)
研磨圧力:1.5psi
研磨定盤回転数:88rpm
研磨用組成物の供給:掛け流し
スラリー供給量:100ml/分
ヘッド回転数:85rpm
研磨時間:10秒間。
60秒間、水をウェハにかけながら、PVAスポンジで圧力をかけながらこすった。
上記<研磨用組成物(B)を用いた研磨>において、研磨時間を15秒間としたこと以外は、実施例1と同様の方法で研磨および洗浄を行った。
上記<研磨用組成物(B)を用いた研磨>を行わなかったこと以外は、実施例1と同様の方法で研磨および洗浄を行った。
<研磨用組成物(A)を使用した研磨(CMP)>
研磨用組成物(A)として、研磨用組成物A2(組成;コロイダルシリカ(一次粒子径90nm、二次粒子径175nm)3質量%、ジポリオキシエチレン(6)ラウリルエーテルリン酸0.07質量%、溶媒:水、水酸化テトラメチルアンモニウム(TMAH)でpH=11に調整)を使用し、下記の条件で研磨を行った。
研磨対象物:300mmポリシリコンウェハ
研磨装置:300mmウェハ用片面研磨装置
研磨パッド:発砲ポリウレタン製パット(硬度90)
研磨圧力:2.0psi
研磨定盤回転数:63rpm
研磨用組成物の供給:掛け流し
研磨用組成物供給量:300ml/分
ヘッド回転数:57rpm
研磨時間:60秒間。
上記研磨用組成物(A)を使用した研磨(CMP)の後のポリシリコンについて、研磨用組成物(B)として、研磨用組成物B2(組成;ヒドロキシエチルセルロース(分子量1300000)0.03質量%、溶媒;水、アンモニア水でpH=10に調整)を使用し、下記の条件で研磨を行った。
研磨装置:300mmウェハ用片面研磨装置
研磨パッド:スエードタイプ研磨パッド(硬度10)
研磨圧力:1.5psi
研磨定盤回転数:88rpm
研磨用組成物の供給:掛け流し
スラリー供給量:300ml/分
ヘッド回転数:85rpm
研磨時間:30秒間。
上記<研磨用組成物(B)を用いた研磨>において、研磨パッドとして、スエードタイプ研磨パッド(硬度42)を使用したこと以外は、実施例3と同様の方法で研磨および洗浄を行った。
<研磨用組成物(A)を使用した研磨(CMP)>
研磨用組成物(A)として、研磨用組成物A3(組成;31%過酸化水素水1.0質量%、上記スルホン酸修飾されたコロイダルシリカ1.2質量%、ポリエチレングリコール(分子量400)0.0005質量%、溶媒:水、クエン酸でpH=2に調整)を使用し、下記の条件で研磨を行った。
研磨対象物:300mmTiNウェハ、300mmSiウェハ
研磨装置:300mmウェハ用片面研磨装置
研磨パッド:発砲ポリウレタン製パット(硬度90)
研磨圧力:1.5psi
研磨定盤回転数:93rpm
研磨用組成物の供給:掛け流し
研磨用組成物供給量:200ml/分
ヘッド回転数:87rpm
研磨時間:60秒間。
上記研磨用組成物(A)を使用した研磨(CMP)の後のTiNウェハ、Siウェハについて、研磨用組成物(B)として、上記研磨用組成物B2を使用し、下記の条件で研磨を行った。
研磨装置:300mmウェハ用片面研磨装置
研磨パッド:スエードタイプ研磨パッド(硬度42)
研磨圧力:1.5psi
研磨定盤回転数:88rpm
研磨用組成物の供給:掛け流し
スラリー供給量:300ml/分
ヘッド回転数:85rpm
研磨時間:20秒間。
上記<研磨用組成物(B)を用いた研磨>において、研磨用組成物(B)として、研磨用組成物B3(組成;ポリビニルアルコール(分子量10000)0.1質量%、溶媒:水、アンモニア水でpH=10に調整)を使用したこと以外は、実施例5と同様の方法で研磨および洗浄を行った。
上記<研磨用組成物(B)を用いた研磨>において、研磨用組成物(B)として、研磨用組成物B4(組成;ポリビニルピロリドン(分子量40000)0.6質量%、溶媒:水、アンモニア水でpH=10に調整)を使用したこと以外は、実施例5と同様の方法で研磨および洗浄を行った。
上記<研磨用組成物(B)を用いた研磨>を行わなかったこと以外は、実施例5と同様の方法で研磨および洗浄を行った。
<研磨用組成物(A)を使用した研磨(CMP)>
研磨用組成物(A)として、研磨用組成物A4(組成;コロイダルシリカ(一次粒子径30nm、二次粒子径60nm)5質量%、溶媒:水、水酸化テトラメチルアンモニウム(TMAH)でpH=11に調整)を使用し、下記の条件で研磨を行った。
研磨対象物:ポリシリコンウェハ
研磨装置:300mmウェハ用片面研磨装置
研磨パッド:発砲ポリウレタン製パット(硬度90)
研磨圧力:1.8psi
研磨定盤回転数:97rpm
研磨用組成物の供給:掛け流し
研磨用組成物供給量:200ml/分
ヘッド回転数:103rpm
研磨時間:60秒間。
上記研磨用組成物(A)を使用した研磨(CMP)の後のポリシリコンについて、研磨用組成物(B)として、研磨用組成物B5(組成;ポリオキシエチレン(6)ポリグリセリルエーテル(分子量450)0.1質量%、溶媒:水、水酸化カリウムでpH=10に調整)を使用し、下記の条件で研磨を行った。
研磨装置:300mmウェハ用片面研磨装置
研磨パッド:発砲ポリウレタン製パット(硬度90)
研磨圧力:1.5psi
研磨定盤回転数:88rpm
研磨用組成物の供給:掛け流し
スラリー供給量:200ml/分
ヘッド回転数:85rpm
研磨時間:15秒間。
上記<研磨用組成物(B)を用いた研磨>において、研磨用組成物(B)として、研磨用組成物B6(ポリオキシエチレン(6)ラウリン酸アミドエーテル(分子量467)0.1質量%、溶媒:水、水酸化カリウムでpH=10に調整)を使用したこと以外は、実施例8と同様の方法で研磨および洗浄を行った。
上記<研磨用組成物(B)を用いた研磨>において、研磨用組成物(B)として、研磨用組成物B7(ポリオキシエチレン(6)ステアリルアミン(分子量533)0.1質量%、溶媒:水、水酸化カリウムでpH=10に調整)を使用したこと以外は、実施例8と同様の方法で研磨および洗浄を行った。
上記<研磨用組成物(B)を用いた研磨>において、研磨用組成物(B)として、研磨用組成物B8(部分フッ素化アルコール置換グリコール(F(CF2)6-(CH2-CH2O)6-H)(分子量584)0.1質量%、溶媒:水、水酸化カリウムでpH=10に調整)を使用したこと以外は、実施例8と同様の方法で研磨および洗浄を行った。
上記<研磨用組成物(B)を用いた研磨>を行わなかったこと以外は、実施例8と同様の方法で研磨および洗浄を行った。
(研磨対象物表面のディフェクト数)
ウェハ表面検査装置(SP-1、KLA-Tencor社製)を使用し、0.13μm以上のサイズのディフェクトを測定評価した。
θ/2法を用いて水接触角の測定を行った。なお、測定には、協和界面科学株式会社製のウェハ洗浄処理評価装置CA-X200を用いた。
Claims (6)
- 砥粒または有機化合物(A)を含有する研磨用組成物(A)を用いて研磨した後に使用される研磨用組成物であって、
フッ素原子、酸素原子、窒素原子、及び塩素原子からなる群より選択される少なくとも1種の原子を含み分子量が100以上である有機化合物(B)、pH調整剤、並びに0~1質量%の砥粒を含む、研磨用組成物。 - 前記有機化合物(B)が、ヒドロキシ基を3つ以上有する、請求項1に記載の研磨用組成物。
- 前記有機化合物(B)が、アミノ基を1つ以上有する、請求項1または2に記載の研磨用組成物。
- 研磨対象物が、疎水性物質である、請求項1~3のいずれか1項に記載の研磨用組成物。
- 研磨対象物を請求項1~4のいずれか1項に記載の研磨用組成物を使用して研磨する、研磨方法。
- 研磨対象物を請求項5に記載の研磨方法で研磨する工程を含む、基板の製造方法。
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020217040785A KR20210154887A (ko) | 2014-03-28 | 2015-01-30 | 연마용 조성물 |
| US15/129,326 US10144907B2 (en) | 2014-03-28 | 2015-01-30 | Polishing composition |
| CN201580016859.4A CN106133104A (zh) | 2014-03-28 | 2015-01-30 | 研磨用组合物 |
| KR1020167026324A KR20160138049A (ko) | 2014-03-28 | 2015-01-30 | 연마용 조성물 |
| SG11201607553QA SG11201607553QA (en) | 2014-03-28 | 2015-01-30 | Polishing composition |
| KR1020217040784A KR102451385B1 (ko) | 2014-03-28 | 2015-01-30 | 연마용 조성물 |
| EP15769785.5A EP3124570B1 (en) | 2014-03-28 | 2015-01-30 | Polishing composition |
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| JP2014069279A JP6343160B2 (ja) | 2014-03-28 | 2014-03-28 | 研磨用組成物 |
| JP2014-069279 | 2014-03-28 |
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| WO2015146282A1 true WO2015146282A1 (ja) | 2015-10-01 |
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| EP (1) | EP3124570B1 (ja) |
| JP (1) | JP6343160B2 (ja) |
| KR (3) | KR102451385B1 (ja) |
| CN (1) | CN106133104A (ja) |
| SG (1) | SG11201607553QA (ja) |
| TW (1) | TWI671391B (ja) |
| WO (1) | WO2015146282A1 (ja) |
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| JPWO2020196369A1 (ja) * | 2019-03-26 | 2020-10-01 |
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| US10414019B2 (en) | 2015-09-30 | 2019-09-17 | Fujimi Incorporated | Polishing composition |
| WO2018061365A1 (ja) * | 2016-09-28 | 2018-04-05 | 株式会社フジミインコーポレーテッド | 表面処理組成物 |
| WO2018124226A1 (ja) * | 2016-12-28 | 2018-07-05 | ニッタ・ハース株式会社 | 研磨用組成物及び研磨方法 |
| WO2018168207A1 (ja) * | 2017-03-14 | 2018-09-20 | 株式会社フジミインコーポレーテッド | 表面処理組成物、その製造方法、およびこれを用いた表面処理方法 |
| JP7216478B2 (ja) * | 2017-09-22 | 2023-02-01 | 株式会社フジミインコーポレーテッド | 表面処理組成物、表面処理組成物の製造方法、表面処理方法、および半導体基板の製造方法 |
| KR102588218B1 (ko) * | 2017-09-22 | 2023-10-13 | 가부시키가이샤 후지미인코퍼레이티드 | 표면 처리 조성물, 표면 처리 조성물의 제조 방법, 표면 처리 방법 및 반도체 기판의 제조 방법 |
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| JP7450532B2 (ja) * | 2018-03-30 | 2024-03-15 | 株式会社フジミインコーポレーテッド | 研磨用組成物 |
| US11434391B2 (en) * | 2018-09-28 | 2022-09-06 | Fujimi Incorporated | Polishing composition, polishing method, and method of producing substrate |
| US11702570B2 (en) * | 2019-03-27 | 2023-07-18 | Fujimi Incorporated | Polishing composition |
| KR102520371B1 (ko) * | 2019-10-18 | 2023-04-10 | 삼성에스디아이 주식회사 | 실리콘 질화막 식각용 조성물 및 이를 이용한 실리콘 질화막 식각 방법 |
| JP7409918B2 (ja) * | 2020-03-13 | 2024-01-09 | 株式会社フジミインコーポレーテッド | 研磨用組成物、研磨用組成物の製造方法、研磨方法および半導体基板の製造方法 |
| KR20220131152A (ko) * | 2021-03-19 | 2022-09-27 | 가부시키가이샤 후지미인코퍼레이티드 | 연마용 조성물, 연마 방법, 및 반도체 기판의 제조 방법 |
| KR20240045086A (ko) | 2022-09-29 | 2024-04-05 | 가부시키가이샤 후지미인코퍼레이티드 | 표면 처리 조성물, 표면 처리 방법, 및 반도체 기판의 제조 방법 |
| JP2025055389A (ja) * | 2023-09-27 | 2025-04-08 | 株式会社フジミインコーポレーテッド | 研磨用組成物、研磨用組成物の濃縮液、および研磨方法 |
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| WO2017150118A1 (ja) * | 2016-02-29 | 2017-09-08 | 株式会社フジミインコーポレーテッド | 研磨用組成物およびこれを用いた研磨方法 |
| JPWO2017150118A1 (ja) * | 2016-02-29 | 2018-12-20 | 株式会社フジミインコーポレーテッド | 研磨用組成物およびこれを用いた研磨方法 |
| EP3425016A4 (en) * | 2016-02-29 | 2019-03-13 | Fujimi Incorporated | POLISHING COMPOSITION AND POLISHING METHOD THEREFOR |
| US11332640B2 (en) | 2016-02-29 | 2022-05-17 | Fujimi Incorporated | Polishing composition and polishing method using same |
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Also Published As
| Publication number | Publication date |
|---|---|
| KR20210154886A (ko) | 2021-12-21 |
| SG11201607553QA (en) | 2016-10-28 |
| KR102451385B1 (ko) | 2022-10-07 |
| KR20210154887A (ko) | 2021-12-21 |
| CN106133104A (zh) | 2016-11-16 |
| KR20160138049A (ko) | 2016-12-02 |
| JP2015189899A (ja) | 2015-11-02 |
| EP3124570B1 (en) | 2020-09-09 |
| EP3124570A1 (en) | 2017-02-01 |
| JP6343160B2 (ja) | 2018-06-13 |
| US10144907B2 (en) | 2018-12-04 |
| EP3124570A4 (en) | 2017-02-08 |
| US20170175053A1 (en) | 2017-06-22 |
| TWI671391B (zh) | 2019-09-11 |
| TW201536903A (zh) | 2015-10-01 |
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