WO2021070232A1 - ポリイミド前駆体、樹脂組成物、感光性樹脂組成物、パターン硬化膜の製造方法、硬化膜、層間絶縁膜、カバーコート層、表面保護膜及び電子部品 - Google Patents
ポリイミド前駆体、樹脂組成物、感光性樹脂組成物、パターン硬化膜の製造方法、硬化膜、層間絶縁膜、カバーコート層、表面保護膜及び電子部品 Download PDFInfo
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- DBZVBKLKGDGTQE-UHFFFAOYSA-N CC(C)(c(cc1)ccc1Oc1ccc(C)cc1)c(cc1)ccc1Oc1ccc(C)cc1 Chemical compound CC(C)(c(cc1)ccc1Oc1ccc(C)cc1)c(cc1)ccc1Oc1ccc(C)cc1 DBZVBKLKGDGTQE-UHFFFAOYSA-N 0.000 description 1
- PZOBUHDNIHTHOF-UHFFFAOYSA-N CC(C)(c1ccc(C)cc1)c1ccc(C(C)(C)c2ccc(C)cc2)cc1 Chemical compound CC(C)(c1ccc(C)cc1)c1ccc(C(C)(C)c2ccc(C)cc2)cc1 PZOBUHDNIHTHOF-UHFFFAOYSA-N 0.000 description 1
- IWNWZHRARXUWIL-UHFFFAOYSA-N CC(C)(c1ccc(C)cc1)c1cccc(C(C)(C)c2ccc(C)cc2)c1 Chemical compound CC(C)(c1ccc(C)cc1)c1cccc(C(C)(C)c2ccc(C)cc2)c1 IWNWZHRARXUWIL-UHFFFAOYSA-N 0.000 description 1
- MQXVMEZAAVKSHA-UHFFFAOYSA-N Cc(cc1)ccc1Oc1ccc(C(C(F)(F)F)(C(F)(F)F)c(cc2)ccc2Oc2ccc(C)cc2)cc1 Chemical compound Cc(cc1)ccc1Oc1ccc(C(C(F)(F)F)(C(F)(F)F)c(cc2)ccc2Oc2ccc(C)cc2)cc1 MQXVMEZAAVKSHA-UHFFFAOYSA-N 0.000 description 1
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- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
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- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1067—Wholly aromatic polyimides, i.e. having both tetracarboxylic and diamino moieties aromatically bound
- C08G73/1071—Wholly aromatic polyimides containing oxygen in the form of ether bonds in the main chain
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- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
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- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1003—Preparatory processes
- C08G73/1007—Preparatory processes from tetracarboxylic acids or derivatives and diamines
- C08G73/1025—Preparatory processes from tetracarboxylic acids or derivatives and diamines polymerised by radiations
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- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1039—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors comprising halogen-containing substituents
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- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
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- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
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- C08G73/16—Polyester-imides
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- C08L79/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C08L79/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
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- C09D179/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen, or carbon only, not provided for in groups C09D161/00 - C09D177/00
- C09D179/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
- C09D179/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
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- 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
- G03F7/027—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds
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- 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
- G03F7/027—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds
- G03F7/028—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with photosensitivity-increasing substances, e.g. photoinitiators
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- 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
- G03F7/20—Exposure; Apparatus therefor
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- 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
- G03F7/32—Liquid compositions therefor, e.g. developers
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- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
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- 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
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- C08L2203/00—Applications
- C08L2203/16—Applications used for films
Definitions
- the present invention relates to a polyimide precursor, a resin composition, a photosensitive resin composition, a method for producing a pattern cured film, a cured film, an interlayer insulating film, a cover coat layer, a surface protective film, and an electronic component.
- Polyimide which has excellent heat resistance, electrical properties, mechanical properties, and the like, is used for the surface protective film and the interlayer insulating film of the semiconductor element.
- Patent Document 1 See, for example, Patent Document 1.
- the capacity and speed of data transmission have been rapidly increased, and the signal frequencies handled tend to be higher.
- the signal transmissibility is impaired, so that the demand for a material with low transmission loss is increasing.
- the conventional polyimide described in Patent Document 1 and the like has not been able to sufficiently meet such a demand.
- An object of the present invention is to provide a polyimide precursor capable of providing a material having low transmission loss even in a high frequency band.
- a polyimide precursor having a structural unit represented by the following formula (1) (In the formula (1), X 1 is a tetravalent group having one or more aromatic groups. When X 1 is a group represented by the following formula (11), Z 3 is 2 other than the carbonyl group. It is the basis of the value.
- Y 1 is a divalent group formed by concatenating one or more groups selected from the group consisting of divalent groups represented by the following formulas (21) to (24).
- R 11 is an aliphatic hydrocarbon group having 1 to 4 carbon atoms or an aliphatic hydrocarbon group having 1 to 4 carbon atoms having a halogen atom.
- N is an integer of 0 to 4 is there.
- R 12 and R 13 are independently hydrogen atoms, aliphatic hydrocarbon groups having 1 to 4 carbon atoms, or aliphatic hydrocarbon groups having 1 to 4 carbon atoms having halogen atoms. ..
- Cy is a cyclic aliphatic hydrocarbon group having 3 to 10 carbon atoms.
- X 11 is an oxygen atom or a sulfur atom.
- the number of divalent groups represented by the formula (21) included in Y 1 is e
- the number of divalent groups represented by the formula (22) is f
- the number of divalent groups represented by the formula (23) is When the number of groups is g and the number of divalent groups represented by the formula (24) is h, e ⁇ 1, f ⁇ 0, g ⁇ 0, h ⁇ 0, and e + f + g + h ⁇ 4. ..
- R 1 and R 2 are independently hydrogen atoms, groups represented by the following formula (2), or aliphatic hydrocarbon groups having 1 to 4 carbon atoms.
- R 3 to R 5 are independently hydrogen atoms or aliphatic hydrocarbon groups having 1 to 4 carbon atoms, and m is an integer of 1 to 10.
- the -COOR 1 group and the -CO- group are in the ortho position with each other, and the -COOR 2 group and the -CONH- group are in the ortho position with each other.
- the polyimide precursor according to 1 wherein Y 1 contains a divalent group represented by the formula (21) and a divalent group represented by the formula (22). 3. 3.
- 10. The polyimide precursor according to any one of 1 to 9, wherein n 0 in the formula (21).
- the polyimide precursor according to any one of 1 to 10, wherein in the above formula (22), R 12 and R 13 are independently methyl groups or trifluoromethyl groups, respectively.
- R 11 , n, R 12 , R 13 and X 11 are as defined by the formulas (21), (22) and (24).)
- Z 1 and Z 2 are divalent groups or single bonds that are not conjugate to the benzene ring to which they are bonded independently.
- Z 3 is a divalent group other than the carbonyl group.
- Z 3 is -O-Ar-O-, -S-Ar-S-, or -COO-Ar-OOC-
- Ar is a divalent group containing a benzene ring, a divalent group containing a naphthalene ring
- R 1 and R 2 are independently hydrogen atoms or aliphatic hydrocarbon groups having 1 to 4 carbon atoms.
- a resin composition containing the polyimide precursor according to any one of 21.1 to 20. 22. (A) The polyimide precursor according to any one of 1 to 20 and (B) Polymerizable monomer and (C) Photopolymerization initiator and A photosensitive resin composition containing. A step of applying the photosensitive resin composition according to 23.22 on a substrate and drying it to form a photosensitive resin film.
- An electronic component comprising the interlayer insulating film, cover coat layer or surface protective film according to 28.27.
- a polyimide precursor capable of providing a material having a low transmission loss even in a high frequency band.
- the embodiments of the polyimide precursor, the resin composition, the photosensitive resin composition, the method for producing a pattern cured film, the cured film, the interlayer insulating film, the cover coat layer, the surface protective film and the electronic component of the present invention are described in detail below. Explain to. The present invention is not limited to the following embodiments.
- the term “A or B” may include either A or B, or both.
- the term “process” is used not only as an independent process but also as a term as long as the desired action of the process is achieved even when it cannot be clearly distinguished from other processes. included.
- the numerical range indicated by using "-” indicates a range including the numerical values before and after "-" as the minimum value and the maximum value, respectively.
- the content of each component in the composition is the sum of the plurality of substances present in the composition unless otherwise specified, when a plurality of substances corresponding to each component are present in the composition. Means quantity.
- the exemplary materials may be used alone or in combination of two or more unless otherwise specified.
- the term “(meth) acrylic group” means "acrylic group” and "methacrylic group”.
- the polyimide precursor of the present invention has a structural unit represented by the formula (1).
- X 1 is a tetravalent group having one or more aromatic groups.
- Z 3 is 2 other than the carbonyl group. It is the basis of the value.
- Y 1 is a divalent group formed by concatenating one or more groups selected from the group consisting of divalent groups represented by the following formulas (21) to (24).
- R 11 is an aliphatic hydrocarbon group having 1 to 4 carbon atoms or an aliphatic hydrocarbon group having 1 to 4 carbon atoms having a halogen atom.
- N is an integer of 0 to 4 is there.
- R 12 and R 13 are independently hydrogen atoms, aliphatic hydrocarbon groups having 1 to 4 carbon atoms, or aliphatic hydrocarbon groups having 1 to 4 carbon atoms having halogen atoms. ..
- Cy is a cyclic aliphatic hydrocarbon group having 3 to 10 carbon atoms.
- X 11 is an oxygen atom or a sulfur atom.
- the number of divalent groups represented by the formula (21) included in Y 1 is e
- the number of divalent groups represented by the formula (22) is f
- the number of divalent groups represented by the formula (23) is
- the number of groups is g
- the number of divalent groups represented by the formula (24) is h, e ⁇ 1, f ⁇ 0, g ⁇ 0, h ⁇ 0, and e + f + g + h ⁇ 4. ..
- R 1 and R 2 are independently hydrogen atoms, groups represented by the following formula (2), or aliphatic hydrocarbon groups having 1 to 4 carbon atoms.
- R 3 to R 5 are independently hydrogen atoms or aliphatic hydrocarbon groups having 1 to 4 carbon atoms, and m is an integer of 1 to 10.
- Y 1 2 monovalent radical of the formula (21) to (24) can both reduce the polarity of the main chain of the polyimide precursor. Moreover, such a partial structure by continuously introducing a constant or longer in Y 1 (e + f + g + h ⁇ 4), can be distributed density of the high polar imide ring to obtain a suppressed the polyimide lower ..
- the polyimide precursor of the present invention combined with the above actions, can provide a material showing low transmission loss even in a high frequency band.
- the polyimide precursor of the present invention it is possible to form a resin material exhibiting a low relative permittivity (Dk) and dielectric loss tangent (Df) even in a high frequency band (for example, 10 GHz or more).
- Dk relative permittivity
- Df dielectric loss tangent
- Y 1 contains a divalent group represented by the formula (21) among the formulas (21) to (24), and other 2 represented by the formulas (22) to (24). Any of the valence groups may be included. Y 1 may include a divalent group represented by the formula (21) and a divalent group represented by the formula (22), or a divalent group represented by the formula (21). , The divalent group represented by the formula (24) may be included, the divalent group represented by the formula (21), the divalent group represented by the formula (22), and the formula ( It may contain a divalent group represented by 24).
- the number e of the divalent group represented by the formula (21) included in Y 1 may be, for example, 1 or more, 2 or more, or 3 or more, and 10 or less, or 8 or less.
- e can be 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10.
- e is preferably 3 or more, and may be 4 or more.
- R 12 and R 13 are preferably methyl groups or trifluoromethyl groups, respectively.
- the number f of the divalent group represented by the formula (22) included in Y 1 may be, for example, 0 or more, 1 or more, 2 or more or 3 or more, and 10 or less, or 8 or less. f can be 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10.
- Cy is preferably a divalent cycloalkane having 3 to 8 carbon atoms, and is a divalent cycloalkane having 3 to 6 carbon atoms. Is more preferable.
- the number g of the divalent group represented by the formula (23) contained in Y 1 may be, for example, 0 or more, 1 or more, 2 or more or 3 or more, and 10 or less, or 8 or less. g can be 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10.
- X 11 is preferably an oxygen atom.
- the number h of divalent groups represented by the formula (24) included in Y 1 may be, for example, 0 or more, 1 or more, 2 or more or 3 or more, and 10 or less, or 8 or less. h can be 1, 2, 3, 4, 5, 6, 7, 8, 9 or 10.
- e When the divalent group represented by the formula (21) and the divalent group represented by the formula (22) are included in Y 1, e may be 3 or more and f may be 2 or more. When the divalent group represented by the formula (21) and the divalent group represented by the formula (24) are included in Y 1, e may be 3 or more and h may be 2 or more.
- the total (e + f + g + h) of e, f, g and h may be 5 or more or 6 or more.
- e + f + g + h There is no particular upper limit of e + f + g + h, but for example, 20 or less is preferable, and 15 or less is more preferable from the viewpoint of photosensitive characteristics.
- Y 1 preferably contains a divalent group represented by the following formula (31) or (32).
- R 11 , n, R 12 , R 13 and X 11 are as defined by equations (21), (22) and (24).
- Y 1 may contain a divalent group represented by the following formula (33).
- R 11 , n, R 12 , R 13 and X 11 are as defined by equations (21), (22) and (24).
- Y 1 may contain two or more divalent groups represented by the above formula (32).
- Y 1 may contain a divalent group represented by the following formula (34) or (35).
- R 11 , n, R 12 , R 13 and X 11 are as defined by equations (21), (22) and (24).
- Y 1 preferably contains any of the divalent groups represented by the following formula, or is either a divalent group represented by the following formula.
- the aromatic group is an aromatic hydrocarbon group (the number of carbon atoms is For example, it may be 6 to 20) or an aromatic heterocyclic group (the number of atoms is, for example, 5 to 20).
- Aromatic hydrocarbon groups are preferred.
- Examples of the aromatic hydrocarbon group of X 1 of the formula (1) divalent to tetravalent formed from a benzene ring (divalent, trivalent or tetravalent) group, divalent to tetravalent radical formed from naphthalene , A divalent to tetravalent group formed from perylene, and the like.
- X 1 is preferably any of the tetravalent groups represented by the following formula.
- Z 1 and Z 2 are each independently a divalent group or a single bond that is not conjugate with the benzene ring to which they are bonded.
- Z 3 is a divalent group other than the carbonyl group.
- the divalent groups of Z 1 and Z 2 are preferably —O—, —S—, methylene group, bis (trifluoromethyl) methylene group, or difluoromethylene group, more preferably —O—.
- Z 3 comprises an ether bond (-O-) or a sulfide bond (-S-).
- Z 3 preferably contains a divalent group formed from an aromatic hydrocarbon, a divalent group formed from a benzene ring, a divalent group formed from a naphthalene ring. And one or more selected from the group consisting of divalent groups formed from an anthracene ring.
- Examples of the divalent group of Z 3 include -O-Ar-O-, -S-Ar-S-, -COO-Ar-OOC- and the like.
- Ar is a divalent group formed from a benzene ring, a divalent group formed from a naphthalene ring, or a divalent group formed from an anthracene ring.
- Z 3 is not a carbonyl group, but may contain a carbonyl group along with other divalent groups.
- the transmission loss is inferior. Transmission loss is improved by the fact that Z 3 is not a carbonyl group or does not contain a carbonyl group.
- Z 3 contains a carbonyl group and another divalent group, the transmission loss is improved. The reason why such an effect is exerted is not always clear, but it is presumed as follows. That is, in the polyimide obtained by imidizing the polyimide precursor (ring closure reaction), the carbonyl group and the imide ring increase the polarity of the main chain, which causes a decrease in transmission loss.
- Z 3 is not a carbonyl group or does not contain a carbonyl group, the polarity of the main chain is lowered and the transmission loss is improved.
- Z 3 contains a carbonyl group and another divalent group, the main chain is lengthened by the amount of the other divalent group, so that the distribution density of the imide ring can be reduced, so that the transmission loss is improved. Will be done.
- R 1 and R 2 are independently hydrogen atoms or aliphatic hydrocarbon groups having 1 to 4 carbon atoms.
- This embodiment is suitable when a polyimide precursor having a structural unit represented by the formula (1) is used as a polyimide precursor for a non-photosensitive resin composition, and in this case, as R 1 and R 2. , It is not always necessary to include the group represented by the formula (2).
- R 1 and R 2 are independently hydrogen atoms, groups represented by the following formula (2), or aliphatic hydrocarbon groups having 1 to 4 carbon atoms, and are R 1 and R 2. At least one of R 2 is a monovalent group represented by the formula (2).
- R 1 and R 2 are independently hydrogen atoms, groups represented by the following formula (2), or aliphatic hydrocarbon groups having 1 to 4 carbon atoms, and are R 1 and R 2. At least one of R 2 is a monovalent group represented by the formula (2).
- This embodiment is suitable when a polyimide precursor having a structural unit represented by the formula (1) is used as a polyimide precursor for a photosensitive resin composition, and in this case, both R 1 and R 2 are used. Is more preferably a monovalent group represented by the formula (2).
- Examples of the aliphatic hydrocarbon group having 1 to 4 carbon atoms (preferably 1 or 2) of R 1 and R 2 include a methyl group, an ethyl group, an n-propyl group, a 2-propyl group, an n-butyl group and the like. Be done.
- Examples of the aliphatic hydrocarbon group having 1 to 3 carbon atoms (preferably 1 or 2) of R 3 to R 5 of the formula (2) include a methyl group, an ethyl group, an n-propyl group, a 2-propyl group and the like. Be done. Methyl groups are preferred.
- the content of the structural unit represented by the formula (1) is preferably 50 mol% or more, more preferably 80 mol% or more, and 90 mol% or more with respect to all the constituent units of the component (A). More preferred.
- the upper limit is not particularly limited and may be 100 mol%.
- the polyimide precursor having the structural unit represented by the formula (1) is, for example, a tetracarboxylic dianhydride represented by the following formula (22) and a diamino compound represented by the following formula (23). It is a polyamic acid obtained by reacting in an organic solvent such as N-methyl-2-pyrrolidone (hereinafter referred to as "NMP"). Further, esterification is obtained by adding a compound represented by the following formula (24) to such a polyamic acid and reacting it in an organic solvent to introduce an ester group corresponding to the formula (2) in whole or in part. It can be an esterified polyamic acid.
- NMP N-methyl-2-pyrrolidone
- esterification is obtained by adding a compound represented by the following formula (24) to such a polyamic acid and reacting it in an organic solvent to introduce an ester group corresponding to the formula (2) in whole or in part. It can be an esterified polyamic acid.
- X 1 is as defined by the equation (1).
- the tetracarboxylic dianhydride represented by the formula (22) and the diamino compound represented by the formula (23) may be used alone or in combination of two or more.
- the content of the structural unit represented by the formula (1) is preferably 50 mol% or more, more preferably 80 mol% or more, and further 90 mol% or more with respect to all the structural units of the polyamide precursor. preferable.
- the upper limit is not particularly limited and may be 100 mol%.
- the formula (2) is applied to all carboxy groups and all carboxy esters in the polyimide precursor.
- the ratio of the carboxy group esterified with the group represented by) is preferably 50 mol% or more, more preferably 60 to 100 mol%, and even more preferably 70 to 90 mol%.
- the upper limit is not particularly limited and may be 100 mol%.
- the molecular weight of the component (A) is not particularly limited, but the weight average molecular weight is preferably 10,000 to 50,000, more preferably 15,000 to 45,000, and 18,000 to 40, It is more preferably 000.
- the weight average molecular weight of the component (A) can be measured by, for example, a gel permeation chromatography method, and can be determined by conversion using a standard polystyrene calibration curve.
- the resin composition (curable resin composition) of the present invention contains the above-mentioned polyamide precursor of the present invention.
- the resin composition include a non-photosensitive resin composition and a photosensitive resin composition.
- the photosensitive resin composition may be either a positive photosensitive resin composition or a negative photosensitive resin composition.
- the resin composition of the present invention can be suitably used as a material for electronic parts.
- the photosensitive resin composition of the present invention is also referred to as the above-mentioned polyamide precursor of the present invention (hereinafter, also referred to as “component (A)”) and (B) polymerizable monomer (hereinafter, also referred to as “component (B)”). ), And (C) a photopolymerization initiator (hereinafter, also referred to as “component (C)”), and other components may also be contained.
- component (A) polyamide precursor of the present invention
- component (B) polymerizable monomer
- component (C) a photopolymerization initiator
- Component (B) polymerizable monomer
- the component (B) is crosslinked with the component (A), or the components (B) are polymerized to form a crosslinked network.
- the component (B) preferably has a group containing a polymerizable unsaturated double bond, and has 2 to 4 (preferably 2) in order to improve the crosslink density, improve the photosensitivity, and suppress the swelling of the pattern after development.
- it preferably has a group containing the polymerizable unsaturated double bond of 3).
- the group is preferably a (meth) acrylic group or an allyl group from the viewpoint of being polymerizable by a photopolymerization initiator.
- component (B) examples include diethylene glycol diacrylate, triethylene glycol diacrylate, tetraethylene glycol diacrylate, diethylene glycol dimethacrylate, triethylene glycol dimethacrylate, tetraethylene glycol dimethacrylate, and 1,4-butanediol diacrylate.
- Examples thereof include acrylate, ethoxylated isocyanuric acid triacrylate, ethoxylated isocyanuric acid trimethacrylate, acryloyloxyethyl isocyanurate, and methacryloyloxyethyl isocyanurate, among which tetraethylene glycol dimethacrylate, pentaerythritol tetraacrylate, and ethoxylated pentaerythritol. Tetraacrylate is preferred.
- the content of the component (B) is preferably 1 to 50 parts by mass with respect to 100 parts by mass of the component (A). From the viewpoint of improving the hydrophobicity of the cured product, it is more preferably 3 to 45 parts by mass, still more preferably 5 to 40 parts by mass. When it is within the above range, a practical relief pattern can be easily obtained, and post-development residue in the unexposed portion can be easily suppressed.
- Component (C) Photopolymerization Initiator
- component (C) include benzophenone derivatives such as benzophenone, methyl o-benzoyl benzoate, 4-benzoyl-4'-methyldiphenylketone, dibenzylketone, and fluorenone; 2,2'-diethoxyacetophenone, 2-.
- Acetphenone derivatives such as hydroxy-2-methylpropiophenone, 1-hydroxycyclohexylphenylketone; thioxanthone derivatives such as thioxanthone, 2-methylthioxanthone, 2-isopropylthioxanthone, diethylthioxanthone; benzyl, benzyldimethylketal, benzyl- ⁇ -methoxy Benzyl derivatives such as ethyl acetal; benzoin, benzoin derivatives such as benzoin methyl ether; 1-phenyl-1,2-butandion-2- (o-methoxycarbonyl) oxime, 1-phenyl-1,2-propanedione-2- (O-methoxycarbonyl) oxime, 1-phenyl-1,2-propanedione-2- (o-ethoxycarbonyl) oxime, 1-phenyl-1,2-propanedione-2- (o-benzoyl)
- the content of the component (C) is preferably 0.1 to 20 parts by mass, more preferably 0.1 to 10 parts by mass, and further preferably 0.1 to 10 parts by mass with respect to 100 parts by mass of the component (A). 5 parts by mass.
- the photocrosslinking tends to be uniform in the film thickness direction, and a practical relief pattern can be easily obtained.
- solvent N-methyl-2-pyrrolidone, ⁇ -butyrolactone, ethyl lactate, propylene glycol monomethyl ether acetate, benzyl acetate, n-butyl acetate, ethoxyethyl propionate, 3-methylmethoxypropionate, N, N -Dimethylformamide, N, N-dimethylacetamide, dimethyl sulfoxide, hexamethylphosphorylamide, tetramethylene sulfone, cyclohexanone, cyclopentanone, diethyl ketone, diisobutyl ketone, methyl amyl ketone, N-dimethylmorpholine and the like, which are usually used.
- N, N-dimethylacetamide is preferably used.
- the content of the solvent is not particularly limited, but is generally 50 to 1000 parts by mass with respect to 100 parts by mass of the component (A).
- the photosensitive resin composition of the present invention may further contain a coupling agent (adhesive aid), a surfactant or leveling agent, a rust preventive, a polymerization inhibitor and the like.
- the coupling agent reacts with the component (A) to crosslink, or the coupling agent itself polymerizes in the step of heat treatment. Thereby, the adhesiveness between the obtained cured product and the substrate can be further improved.
- Preferred silane coupling agents include compounds having a urea bond (-NH-CO-NH-).
- the compound represented by the following formula (61) is more preferable because it is excellent in the development of adhesiveness when cured at a low temperature.
- R 61 and R 62 are independently alkyl groups having 1 to 5 carbon atoms. J is an integer of 1 to 10, and k is an integer of 1 to 3.
- Specific examples of the compound represented by the formula (61) include ureidomethyltrimethoxysilane, ureidomethyltriethoxysilane, 2-ureidoethyltrimethoxysilane, 2-ureidoethyltriethoxysilane, and 3-ureidopropyltrimethoxysilane. , 3-Ureidopropyltriethoxysilane, 4-ureidobutyltrimethoxysilane, 4-ureidobutyltriethoxysilane and the like, preferably 3-ureidopropyltriethoxysilane.
- silane coupling agent a silane coupling agent having a hydroxy group or a glycidyl group may be used.
- a silane coupling agent having a hydroxy group or a glycidyl group and a silane coupling agent having a urea bond in the molecule are used in combination, the adhesiveness of the cured product at low temperature curing to the substrate can be further improved.
- silane coupling agent having a hydroxy group or a glycidyl group examples include methylphenylsilanediol, ethylphenylsilanediol, n-propylphenylsilanediol, isopropylphenylsilanediol, n-butylphenylsilanediol, isobutylphenylsilanediol, and tert-.
- R 63 is a monovalent organic group having a hydroxy group or a glycidyl group
- R 64 and R 65 are independently alkyl groups having 1 to 5 carbon atoms.
- O is 1 It is an integer of ⁇ 10, and p is an integer of 1 to 3.
- Examples of the compound represented by the formula (62) include hydroxymethyltrimethoxysilane, hydroxymethyltriethoxysilane, 2-hydroxyethyltrimethoxysilane, 2-hydroxyethyltriethoxysilane, 3-hydroxypropyltrimethoxysilane, 3-.
- the silane coupling agent having a hydroxy group or a glycidyl group preferably further contains a group having a nitrogen atom, and further preferably a silane coupling agent having an amino group or an amide bond.
- examples of the silane coupling agent having an amino group include bis (2-hydroxymethyl) -3-aminopropyltriethoxysilane, bis (2-hydroxymethyl) -3-aminopropyltrimethoxysilane, and bis (2-glycid). Examples thereof include xymethyl) -3-aminopropyltriethoxysilane and bis (2-hydroxymethyl) -3-aminopropyltrimethoxysilane.
- Examples of the silane coupling agent having an amide bond include compounds represented by the following formula (63).
- R 66 is a hydroxy group or a glycidyl group
- q and r are independently integers of 1 to 3
- R 67 is a methyl group, an ethyl group or a propyl group.
- the content of the silane coupling agent is preferably 0.1 to 20 parts by mass, more preferably 0.3 to 10 parts by mass, with respect to 100 parts by mass of the component (A). To 10 parts by mass is more preferable.
- the curable resin composition can improve coatability (for example, suppression of striation (unevenness of film thickness)) and developability.
- surfactant or leveling agent examples include polyoxyethylene lauryl ether, polyoxyethylene stearyl ether, polyoxyethylene oleyl ether, polyoxyethylene octylphenol ether and the like, and commercially available products include the trade name "Megafuck F171". , “F173", “R-08” (above, manufactured by DIC Co., Ltd.), product name “Florard FC430", “FC431” (above, manufactured by Sumitomo 3M Co., Ltd.), trade name “Organosiloxane Polymer KP341", " Examples thereof include “KBM303", “KBM403", and “KBM803” (all manufactured by Shin-Etsu Chemical Industry Co., Ltd.).
- the content of the surfactant or the leveling agent is preferably 0.01 to 10 parts by mass, more preferably 0.05 to 5 parts by mass with respect to 100 parts by mass of the component (A). It is preferable, and more preferably 0.05 to 3 parts by mass.
- the curable resin composition can suppress corrosion and prevent discoloration of copper and copper alloys.
- rust preventive include a triazole derivative and a tetrazole derivative.
- the content of the rust inhibitor is preferably 0.01 to 10 parts by mass, more preferably 0.1 to 5 parts by mass, and 0.5 to 0.5 to 100 parts by mass with respect to 100 parts by mass of the component (A). 3 parts by mass is more preferable.
- the curable resin composition can ensure good storage stability.
- the polymerization inhibitor include a radical polymerization inhibitor, a radical polymerization inhibitor and the like.
- polymerization inhibitor examples include p-methoxyphenol, diphenyl-p-benzoquinone, benzoquinone, hydroquinone, pyrogallol, phenothiazine, resorcinol, orthodinitrobenzene, paradinitrobenzene, metadinitrobenzene, phenanthraquinone, and N-phenyl-2-.
- examples thereof include naphthylamine, cuperon, 2,5-tolucinone, tannic acid, parabenzylaminophenol, nitrosoamines and the like.
- the content of the polymerization inhibitor is 0 with respect to 100 parts by mass of the component (A) from the viewpoint of storage stability of the photosensitive resin composition and heat resistance of the obtained cured product. It is preferably 0.01 to 30 parts by mass, more preferably 0.01 to 10 parts by mass, and even more preferably 0.05 to 5 parts by mass.
- the photosensitive resin composition of the present invention essentially comprises the components (A) to (C), and optionally a solvent, a coupling agent, a surfactant, a leveling agent, a rust preventive, and a polymerization inhibitor. It may also contain other unavoidable impurities as long as the effects of the present invention are not impaired. For example, 80% by mass or more, 90% by mass or more, 95% by mass or more, 98% by mass or more, 99% by mass or more, 99.5% by mass or more, 99.9% by mass or more of the photosensitive resin composition of the present invention.
- the cured product of the present invention can be obtained by curing the resin composition of the present invention.
- the cured product of the present invention may be used as a pattern cured film or as a cured film without a pattern.
- the film thickness of the cured film of the present invention is preferably 5 to 20 ⁇ m.
- the above-mentioned photosensitive resin composition is applied onto a substrate and dried to form a photosensitive resin film, and the photosensitive resin film is pattern-exposed to form a resin film. It includes a step of obtaining, a step of developing the resin film after pattern exposure with an organic solvent to obtain a pattern resin film, and a step of heat-treating the pattern resin film. Thereby, a pattern cured film can be obtained.
- the method for producing a cured product without a pattern includes, for example, a step of forming the above-mentioned photosensitive resin film and a step of heat treatment. Further, an exposure step may be provided.
- the substrate examples include a glass substrate, a semiconductor substrate such as a Si substrate (silicon wafer), a metal oxide insulator substrate such as a TiO 2 substrate and a SiO 2 substrate, a silicon nitride substrate, a copper substrate, and a copper alloy substrate.
- a semiconductor substrate such as a Si substrate (silicon wafer)
- a metal oxide insulator substrate such as a TiO 2 substrate and a SiO 2 substrate
- silicon nitride substrate silicon nitride substrate
- copper substrate examples include a copper alloy substrate.
- the application method is not particularly limited, but it can be applied using a spinner or the like.
- Drying can be performed using a hot plate, an oven, or the like.
- the drying temperature is preferably 90 to 150 ° C., and more preferably 90 to 120 ° C. from the viewpoint of ensuring the dissolution contrast.
- the drying time is preferably 30 seconds to 5 minutes. Drying may be performed twice or more. As a result, a photosensitive resin film obtained by forming the above-mentioned photosensitive resin composition into a film can be obtained.
- the film thickness of the photosensitive resin film is preferably 5 to 100 ⁇ m, more preferably 6 to 50 ⁇ m, and even more preferably 7 to 30 ⁇ m.
- the pattern exposure exposes a predetermined pattern through, for example, a photomask.
- the active light beam to be irradiated include ultraviolet rays such as i-rays and broadband (BB), visible rays, and radiation, and i-rays are preferable.
- BB broadband
- the exposure apparatus a parallel exposure machine, a projection exposure machine, a stepper, a scanner exposure machine and the like can be used.
- a patterned resin film (patterned resin film) can be obtained.
- the organic solvent used as the developing solution may be a good solvent of the photosensitive resin film alone or a mixture of a good solvent and a poor solvent as appropriate.
- Good solvents include N-methyl-2-pyrrolidone, N-acetyl-2-pyrrolidone, N, N-dimethylacetamide, N, N-dimethylformamide, dimethyl sulfoxide, gamma-butyrolactone, ⁇ -acetyl-gamma-butyrolactone, cyclopentanone.
- Non, cyclohexanone and the like can be mentioned.
- the poor solvent include toluene, xylene, methanol, ethanol, isopropanol, propylene glycol monomethyl ether acetate, propylene glycol monomethyl ether and water.
- a surfactant may be added to the developer.
- the amount to be added is preferably 0.01 to 10 parts by mass, more preferably 0.1 to 5 parts by mass with respect to 100 parts by mass of the developing solution.
- the developing time can be, for example, twice the time required to immerse the photosensitive resin film and completely dissolve it.
- the developing time varies depending on the component (A) used, but is preferably 10 seconds to 15 minutes, more preferably 10 seconds to 5 minutes, and even more preferably 20 seconds to 5 minutes from the viewpoint of productivity.
- a rinsing liquid As the rinsing solution, distilled water, methanol, ethanol, isopropanol, toluene, xylene, propylene glycol monomethyl ether acetate, propylene glycol monomethyl ether and the like may be used alone or in an appropriate mixture, or may be used in a stepwise combination. Good.
- a cured pattern can be obtained by heat-treating the pattern resin film.
- the polyimide precursor of the component (A) undergoes a ring closure reaction by the heat treatment step to become a normally corresponding polyimide.
- the temperature of the heat treatment is preferably 250 ° C. or lower, more preferably 120 to 250 ° C., and even more preferably 200 ° C. or lower or 140 to 200 ° C. Within the above range, damage to the substrate and the device can be suppressed to a small extent, the device can be produced with a high yield, and energy saving of the process can be realized.
- the heat treatment time is preferably 5 hours or less, more preferably 30 minutes to 3 hours. Within the above range, the cross-linking reaction or ring closure reaction can be sufficiently proceeded.
- the atmosphere of the heat treatment may be an atmosphere or an inert atmosphere such as nitrogen, but a nitrogen atmosphere is preferable from the viewpoint of preventing oxidation of the pattern resin film.
- Examples of the device used for the heat treatment include a quartz tube furnace, a hot plate, a rapid thermal annealing, a vertical diffusion furnace, an infrared curing furnace, an electron beam curing furnace, a microwave curing furnace, and the like.
- the cured product of the present invention can be used as a passivation film, a buffer coat film, an interlayer insulating film, a cover coat layer, a surface protective film, or the like.
- FIG. 1 is a manufacturing process diagram of a semiconductor device having a multi-layer wiring structure, which is an electronic component according to an embodiment of the present invention.
- a semiconductor substrate 1 such as a Si substrate having a circuit element is covered with a protective film 2 such as a silicon oxide film except for a predetermined portion of the circuit element, and a first conductor layer 3 is formed on the exposed circuit element. It is formed. After that, the interlayer insulating film 4 is formed on the semiconductor substrate 1.
- a photosensitive resin layer 5 such as a rubber chloride type or a phenol novolac type is formed on the interlayer insulating film 4, and the window 6A is provided so that the interlayer insulating film 4 of a predetermined portion is exposed by a known photographic engraving technique. Be done.
- the interlayer insulating film 4 in which the window 6A is exposed is selectively etched to provide the window 6B.
- the photosensitive resin layer 5 is removed using an etching solution that corrodes the photosensitive resin layer 5 without corroding the first conductor layer 3 exposed from the window 6B.
- the second conductor layer 7 is formed and electrically connected to the first conductor layer 3.
- the above steps can be repeated to form each layer.
- the window 6C is opened by pattern exposure to form the surface protective film 8.
- the surface protective film 8 protects the second conductor layer 7 from external stress, ⁇ rays, and the like, and the obtained semiconductor device is excellent in reliability.
- the interlayer insulating film can also be formed by using the photosensitive resin composition of the present invention.
- the weight average molecular weight of the polyimide precursors obtained in the following synthesis examples and synthetic comparative examples was measured or estimated by the following method.
- Estimatimation of weight average molecular weight The estimated value of the weight average molecular weight was estimated based on the charged molar ratio of the raw material amine component and the raw material acid component at the time of synthesizing the polyimide precursor, each molecular weight, the synthesis method and the synthesis conditions.
- the weight average molecular weight (measured value) is determined by the gel permeation chromatography (GPC) method under the following conditions in terms of standard polystyrene.
- Synthesis Example 1 (Synthesis of polyimide precursor A1) 5.00 g of 3,3', 4,4'-diphenyl ether tetracarboxylic dianhydride (ODPA) was dissolved in 64.0 g of N-methyl-2-pyrrolidone (NMP). After adding 6.29 g of 2,2-bis [4- (4-aminophenoxy) phenyl] propane (BAPP), the mixture was stirred at room temperature (23 ° C., the same applies hereinafter) for 3 hours to obtain a polyimide precursor A1. The weight average molecular weight (estimated value) of A1 was 75,000.
- Synthesis Example 2 (Synthesis of polyimide precursor A2) 5.00 g of ODPA was dissolved in 58.2 g of NMP. After adding 5.27 g of 1,3-bis [2- (4-aminophenyl) -2-propyl] benzene (Bizaniline P), the mixture was stirred at room temperature for 3 hours to obtain a polyimide precursor A2. The weight average molecular weight (estimated value) of the polyimide precursor A2 was 75,000.
- Synthesis Example 3 (Synthesis of polyimide precursor A3) 5.00 g of bis (1,3-dioxo-1,3-dihydroisobenzofuran-5-carboxylic acid) 1,4-phenylene (TAHQ) was dissolved in 52.4 g of NMP. After adding 4.25 g of BAPP, the mixture was stirred at room temperature for 3 hours to obtain a polyimide precursor A3. The weight average molecular weight (estimated value) of the polyimide precursor A3 was 75,000.
- Synthesis Example 4 (Synthesis of polyimide precursor A4) 5.00 g of TAHQ was dissolved in 58.8 g of NMP. After adding 5.37 g of 2,2-bis [4- (4-aminophenoxy) phenyl] hexafluoropropane (6F-BAPP), the mixture was stirred at room temperature for 5 hours to obtain a polyimide precursor A4. The weight average molecular weight (estimated value) of the polyimide precursor A4 was 75,000.
- Synthesis Example 5 (Synthesis of polyimide precursor A5) 5.00 g of TAHQ was dissolved in 50.0 g of NMP. After adding 3.82 g of 4,4'-bis (4-aminophenoxy) biphenyl (BABP), the mixture was stirred at room temperature for 5 hours to obtain a polyimide precursor A5. The weight average molecular weight (estimated value) of the polyimide precursor A5 was 75,000.
- Synthesis Comparative Example 1 Synthesis of Polyimide Precursor A6 12.1 g of BAPP and 0.08 g of 1,3-bis (3-aminopropyl) tetramethyldisiloxane (LP-7100) were dissolved in 90 g of NMP. Then, 10.00 g of 3,3', 4,4'-benzophenone tetracarboxylic dianhydride (BTDA) was added, and the mixture was stirred for 60 minutes to obtain a polyimide precursor A6. The weight average molecular weight (measured value) of the polyimide precursor A6 was measured by the method described in Synthesis Example 1 and found to be 95,000.
- BTDA 3,3', 4,4'-benzophenone tetracarboxylic dianhydride
- Synthesis Comparative Example 2 Synthesis of Polyimide Precursor A7
- MPD 1,3-phenylenediamine
- ODA 4,4'-diaminodiphenyl ether
- the weight average molecular weight (measured value) of the polyimide precursor A7 was measured by the method described in Synthesis Example 1 and found to be 53,000.
- Synthesis Comparative Example 3 (Synthesis of Polyimide Precursor A8) 13.00 g of 4,4'-oxydianiline (ODA), 0.88 g of 4,4'-diamino-3-carboxamide-diphenyl ether (DDEC), and 0.90 g of LP-7100 were dissolved in 140 g of NMP. Then, 7.88 g of pyromellitic anhydride (PMDA) and 11.64 g of BTDA were added and stirred for 60 minutes to obtain a polyimide precursor A8. The weight average molecular weight (measured value) of the polyimide precursor A8 was measured by the method described in Synthesis Example 1 and found to be 108,000.
- ODA 4,4'-oxydianiline
- DDEC 4,4'-diamino-3-carboxamide-diphenyl ether
- LP-7100 0.90 g of LP-7100 were dissolved in 140 g of NMP. Then, 7.88 g of pyromellitic an
- Synthesis Comparative Example 4 Synthesis of Polyimide Precursor A9 5.00 g of PMDA was dissolved in 41.7 g of NMP. After adding 2.35 g of 1,4-phenylenediamine (PPD), the mixture was stirred at room temperature for 3 hours to obtain a polyimide precursor A9. The weight average molecular weight (estimated value) of the polyimide precursor A9 was 75,000.
- Synthesis Comparative Example 5 Synthesis of Polyimide Precursor A10 5.00 g of 4,4'-biphthalic anhydride (S-BPDA) was dissolved in 38.2 g of NMP. After adding 1.75 g of PPD, the mixture was stirred at room temperature for 3 hours to obtain a polyimide precursor A10. The weight average molecular weight (measured value) of the polyimide precursor A10 was measured by the method described in Synthesis Example 1 and found to be 52,000.
- Synthesis Example 6 (Synthesis of Polyimide Precursor A11) 47.08 g of ODPA, 5.54 g of 2-hydroxyethyl methacrylate (HEMA) and 0.24 g of 1,4-diazabicyclo [2.2.2] octane were dissolved in 380 g of NMP and stirred at 30 ° C. for 1 hour. A solution prepared by dissolving 53.04 g of BAPP in 145 g of NMP was added, and the mixture was stirred at 30 ° C. for 3 hours. Then, the mixture was stirred overnight at room temperature to obtain a reaction solution.
- HEMA 2-hydroxyethyl methacrylate
- the esterification rate of the polyimide precursor A11 (reaction rate of the carboxy group of ODPA with HEMA) was calculated by performing NMR measurement under the following conditions. The esterification rate was 56 mol% or 68 mol% with respect to all carboxy groups and all carboxy esters (the rest were carboxy groups).
- Synthesis Example 7 (Synthesis of polyimide precursor A12) 46.53 g of ODPA, 5.46 g of 2-hydroxyethyl methacrylate (HEMA) and 0.24 g of 1,4-diazabicyclo [2.2.2] octane were dissolved in NMP501.68 g and stirred at 30 ° C. for 1 hour. After adding 38.76 g of Bisanyline P, the mixture was stirred at 30 ° C. for 3 hours. Then, the mixture was stirred overnight at room temperature to obtain a reaction solution. To this reaction solution, 58.91 g of trifluoroacetic anhydride was added, and the mixture was stirred at 45 ° C.
- HEMA 2-hydroxyethyl methacrylate
- polyimide precursor A12 The weight average molecular weight (measured value) of the polyimide precursor A12 was 24,800.
- the esterification rate of the polyimide precursor A12 was measured by the same method as in Synthesis Example 6 and found to be 53 mol%.
- Synthesis Example 8 (Synthesis of Polyimide Precursor A13) 23.54 g of ODPA, 2.77 g of 2-hydroxyethyl methacrylate (HEMA) and 0.12 g of 1,4-diazabicyclo [2.2.2] octane were dissolved in 250.00 g of NMP and stirred at 30 ° C. for 1 hour. .. A solution prepared by dissolving 22.21 g of 1,3-bis [2- (4-aminophenyl) -2-propyl] benzene (Bizaniline M) in 108.75 g of NMP was added, and the mixture was stirred at 30 ° C. for 3 hours.
- Synthesis Comparative Example 6 (Synthesis of Polyimide Precursor A14) 47.08 g of ODPA, 5.56 g of 2-hydroxyethyl methacrylate (HEMA) and 0.24 g of 1,4-diazabicyclo [2.2.2] octane were dissolved in 380.00 g of NMP and stirred at 30 ° C. for 1 hour. .. A solution prepared by dissolving 27.44 g of m-trizine (DMAP) in 145.00 g of NMP was added, and the mixture was stirred at 30 ° C. for 3 hours. Then, the mixture was stirred overnight at room temperature to obtain a reaction solution.
- DMAP m-trizine
- the polyimide precursors A1 to A10 can be used as the resin material of the non-photosensitive resin composition, and the polyimide precursors A11 to A14 can be used as the resin material of the photosensitive resin composition.
- Polyimide precursors A1 to A14 Polyimide precursors A1 to A14 obtained in Synthesis Examples and Synthesis Comparative Examples.
- Adhesive aid -"UCT-801" (3-ureidopropyltriethoxysilane, manufactured by United Chemical Technologies)
- the cured film (film) formed on the wafer was cut into a square shape with a predetermined size using a cutter, and then the cured film was peeled off from the wafer to prepare a sample for measurement.
- the size of the cut-out cured film was cut out into a square shape of 6 cm ⁇ 10 cm when the measurement frequency was 5 GHz or 10 GHz, and cut out into a square shape of 3 cm ⁇ 7 cm when the measurement frequency was 20 GHz.
- the film thickness of the measurement sample is as shown in Table 1.
- the relative permittivity Dk and the dielectric loss tangent Df were measured by the following measurement methods. The results are shown in Table 1. (Measuring method of relative permittivity Dk and dielectric loss tangent Df)
- the obtained measurement sample was set in the "SPDR dielectric resonator" manufactured by Agilent Technologies, Inc., and the vector network analyzer E8364B manufactured by Agilent Technologies was used as the measuring instrument, and CPMA-V2 was used as the measuring program.
- the relative permittivity Dk and the dielectric loss tangent Df were measured at frequencies of 5 GHz, 10 GHz and 20 GHz by the SPDR method (split post dielectric resonator method).
- the measurement temperature was 25 ° C.
- the relative permittivity Dk and the dielectric loss tangent Df shown in Table 1 are average values of the measured values obtained by three measurements.
- the cured films obtained in Examples 1 to 5 have lower Dk and Df at each frequency of 5 GHz, 10 GHz and 20 GHz than the cured films obtained in Comparative Examples 1 to 5, and even in the high frequency band. It can be seen that a small transmission loss can be realized. The effect becomes clearer when comparing Examples and Comparative Examples having the same curing conditions (curing time and curing temperature).
- Examples 6-14 and Comparative Example 6 [Preparation of photosensitive resin composition]
- the photosensitive resin compositions of Examples 6 to 14 and Comparative Example 6 were prepared with the components and blending amounts shown in Table 2.
- the blending amount in Table 2 is the mass part of each component with respect to 100 parts by mass of the component (A).
- the cured films obtained in Examples 6 to 14 have lower Dk and Df at each frequency of 5 GHz, 10 GHz and 20 GHz than the cured films obtained in Comparative Example 6, and transmission is smaller even in the high frequency band. It turns out that the loss can be realized. The effect becomes clearer when comparing Examples and Comparative Examples having the same curing conditions (curing time and curing temperature).
- the photosensitive resin composition of the present invention can be used for an interlayer insulating film, a cover coat layer or a surface protective film, and the interlayer insulating film, a cover coat layer or a surface protective film of the present invention can be used for an electronic component or the like. Can be done.
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Abstract
Description
近年、電子機器の高性能化やネットワーク技術の飛躍的な進歩に伴い、データ伝送の大容量化、高速化が急速に進み、取り扱われる信号周波数が高周波数化する傾向にある。一般的に周波数が高くなるほど信号の伝送性が損なわれるため、低伝送損失材料の要求が高まっている。しかしながら、特許文献1等に記載の従来のポリイミドでは、そのような要求に十分に応えることができなかった。
本発明によれば、以下のポリイミド前駆体等が提供される。
1.下記式(1)で表される構造単位を有する、ポリイミド前駆体。
式(22)中、R12及びR13は、それぞれ独立に、水素原子、炭素数1~4の脂肪族炭化水素基、又はハロゲン原子を有する炭素数1~4の脂肪族炭化水素基である。
式(23)中、Cyは、炭素数3~10の環状脂肪族炭化水素基である。
式(24)中、X11は、酸素原子又は硫黄原子である。)
Y1に含まれる式(21)で表される2価の基の数をe、式(22)で表される2価の基の数をf、式(23)で表される2価の基の数をg、式(24)で表される2価の基の数をhとしたときに、e≧1、f≧0、g≧0、h≧0であり、e+f+g+h≧4である。
R1及びR2は、それぞれ独立に、水素原子、下記式(2)で表される基、又は炭素数1~4の脂肪族炭化水素基である。
-COOR1基と-CO-基とは互いにオルト位置にあり、-COOR2基と-CONH-基とは互いにオルト位置にある。)
2.Y1が前記式(21)で表される2価の基と、前記式(22)で表される2価の基とを含む、1に記載のポリイミド前駆体。
3.Y1が前記式(21)で表される2価の基と、前記式(24)で表される2価の基とを含む、1又は2に記載のポリイミド前駆体。
4.Y1が前記式(21)で表される2価の基と、前記式(22)で表される2価の基と、前記式(24)で表される2価の基とを含む、1~3のいずれかに記載のポリイミド前駆体。
5.前記式(1)において、e≧3である、1~4のいずれかに記載のポリイミド前駆体。
6.前記式(1)において、e≧3であり、f≧2である、1~5のいずれかに記載のポリイミド前駆体。
7.前記式(1)において、e≧3であり、h≧2である、1~6のいずれかに記載のポリイミド前駆体。
8.前記式(1)において、e≧4である、1~7のいずれかに記載のポリイミド前駆体。
9.前記式(1)において、e+f+g+h≧5である、1~8のいずれかに記載のポリイミド前駆体。
10.前記式(21)において、n=0である、1~9のいずれかに記載のポリイミド前駆体。
11.前記式(22)において、R12及びR13が、それぞれ独立に、メチル基又はトリフルオロメチル基である、1~10のいずれかに記載のポリイミド前駆体。
12.前記式(24)において、X11が酸素原子である、1~11のいずれかに記載のポリイミド前駆体。
13.Y1が、下記式(31)又は(32)で表される2価の基を含む、1~12のいずれかに記載のポリイミド前駆体。
14.Y1が、下記式で表される2価の基のいずれかを含む、1~13のいずれかに記載のポリイミド前駆体。
16.Z3が、エーテル結合(-O-)又はスルフィド結合(-S-)を含む、1~15のいずれかに記載のポリイミド前駆体。
17.Z3が、芳香族炭化水素基を有する2価の基を含む、1~16のいずれかに記載のポリイミド前駆体。
18.Z3が、-O-Ar-O-、-S-Ar-S-、又は-COO-Ar-OOC-(Arは、ベンゼン環を含む2価の基、ナフタレン環を含む2価の基、又はアントラセン環を含む2価の基である。)で表される2価の基を含む、1~17のいずれかに記載のポリイミド前駆体。
19.前記式(1)において、R1及びR2が、それぞれ独立に、水素原子、又は炭素数1~4の脂肪族炭化水素基である、1~18のいずれかに記載のポリイミド前駆体。
20.前記式(1)において、R1及びR2の少なくとも一方が式(2)で表される1価の基である、1~18のいずれかに記載のポリイミド前駆体。
21.1~20のいずれかに記載のポリイミド前駆体を含む樹脂組成物。
22.(A)1~20のいずれかに記載のポリイミド前駆体と、
(B)重合性モノマーと、
(C)光重合開始剤と、
を含む感光性樹脂組成物。
23.22に記載の感光性樹脂組成物を基板上に塗布、乾燥して感光性樹脂膜を形成する工程と、
前記感光性樹脂膜をパターン露光して、樹脂膜を得る工程と、
前記パターン露光後の樹脂膜を、有機溶剤を用いて現像し、パターン樹脂膜を得る工程と、
前記パターン樹脂膜を加熱処理する工程と、
を含むパターン硬化膜の製造方法。
24.前記加熱処理の温度が200℃以下である23に記載のパターン硬化膜の製造方法。
25.22に記載の感光性樹脂組成物を硬化した硬化膜。
26.パターン硬化膜である25に記載の硬化膜。
27.25又は26に記載の硬化膜を用いて作製された層間絶縁膜、カバーコート層又は表面保護膜。
28.27に記載の層間絶縁膜、カバーコート層又は表面保護膜を含む電子部品。
「~」を用いて示された数値範囲は、「~」の前後に記載される数値をそれぞれ最小値及び最大値として含む範囲を示す。また、本明細書において組成物中の各成分の含有量は、組成物中に各成分に該当する物質が複数存在する場合、特に断らない限り、組成物中に存在する当該複数の物質の合計量を意味する。さらに、例示材料は特に断らない限り単独で用いてもよいし、2種以上を組み合わせて用いてもよい。
本明細書における「(メタ)アクリル基」とは、「アクリル基」及び「メタクリル基」を意味する。
本発明のポリイミド前駆体は、式(1)で表される構造単位を有する。
式(22)中、R12及びR13は、それぞれ独立に、水素原子、炭素数1~4の脂肪族炭化水素基、又はハロゲン原子を有する炭素数1~4の脂肪族炭化水素基である。
式(23)中、Cyは、炭素数3~10の環状脂肪族炭化水素基である。
式(24)中、X11は、酸素原子又は硫黄原子である。)
Y1に含まれる式(21)で表される2価の基の数をe、式(22)で表される2価の基の数をf、式(23)で表される2価の基の数をg、式(24)で表される2価の基の数をhとしたときに、e≧1、f≧0、g≧0、h≧0であり、e+f+g+h≧4である。
R1及びR2は、それぞれ独立に、水素原子、下記式(2)で表される基、又は炭素数1~4の脂肪族炭化水素基である。
-COOR1基と-CO-基とは互いにオルト位置にあり、-COOR2基と-CONH-基とは互いにオルト位置にある。)
Y1は、式(21)で表される2価の基と、式(22)で表される2価の基とを含んでもよいし、式(21)で表される2価の基と、式(24)で表される2価の基とを含んでもよいし、式(21)で表される2価の基と、式(22)で表される2価の基と、式(24)で表される2価の基とを含んでもよい。
eは好ましくは3以上であり、4以上としてもよい。
Y1に含まれる式(22)で表される2価の基の数fは、例えば、0以上、1以上、2以上又は3以上であり、また、10以下、又は8以下であり得る。fは、1、2、3、4、5、6、7、8、9又は10であり得る。
Y1に含まれる式(23)で表される2価の基の数gは、例えば、0以上、1以上、2以上又は3以上であり、また、10以下、又は8以下であり得る。gは、1、2、3、4、5、6、7、8、9又は10であり得る。
Y1に含まれる式(24)で表される2価の基の数hは、例えば、0以上、1以上、2以上又は3以上であり、また、10以下、又は8以下であり得る。hは、1、2、3、4、5、6、7、8、9又は10であり得る。
Y1において、式(21)で表される2価の基と、式(24)で表される2価の基とが含まれる場合、eを3以上、かつhを2以上としてもよい。
Y1は、下記式(34)又は(35)で表される2価の基を含んでもよい。
他の一実施形態において、Z3は、芳香族炭化水素から形成される2価の基を含むことが好ましく、ベンゼン環から形成される2価の基、ナフタレン環から形成される2価の基及びアントラセン環からから形成される2価の基からなる群から選択される1以上を含むことが好ましい。
(A)成分の重量平均分子量は、例えばゲルパーミエーションクロマトグラフィー法によって測定することができ、標準ポリスチレン検量線を用いて換算することによって求めることができる。
本発明の樹脂組成物(硬化性樹脂組成物)は、上述した本発明のポリアミド前駆体を含む。
樹脂組成物としては、非感光性樹脂組成物及び感光性樹脂組成物が挙げられる。感光性樹脂組成物は、ポジ型感光性樹脂組成物及びネガ型感光性樹脂組成物のいずれであってもよい。
本発明の樹脂組成物は、電子部品用材料として好適に使用できる。
本発明の感光性樹脂組成物は、上述した本発明のポリアミド前駆体(以下、「(A)成分」ともいう。)、(B)重合性モノマー(以下、「(B)成分」ともいう。)、及び(C)光重合開始剤(以下、「(C)成分」ともいう。)を含有し、他の成分も含有し得る。以下、(A)成分以外の各成分について説明する。
(B)成分は、(A)成分と架橋し、又は(B)成分同士が重合して架橋ネットワークを形成する。(B)成分は、重合性の不飽和二重結合を含む基を有することが好ましく、架橋密度向上、光感度向上、及び現像後のパターンの膨潤の抑制のため、2~4(好ましくは2又は3)の重合性の不飽和二重結合を含む基を有することが好ましい。当該基は、好ましくは、光重合開始剤により重合可能である観点から(メタ)アクリル基又はアリル基である。
上記範囲内である場合、実用的なレリ-フパターンが得られやすく、未露光部の現像後残滓を抑制しやすい。
(C)成分としては、例えば、ベンゾフェノン、o-ベンゾイル安息香酸メチル、4-ベンゾイル-4’-メチルジフェニルケトン、ジベンジルケトン、フルオレノン等のベンゾフェノン誘導体;2,2’-ジエトキシアセトフェノン、2-ヒドロキシ-2-メチルプロピオフェノン、1-ヒドロキシシクロヘキシルフェニルケトン等のアセトフェノン誘導体;チオキサントン、2-メチルチオキサントン、2-イソプロピルチオキサントン、ジエチルチオキサントン等のチオキサントン誘導体;ベンジル、ベンジルジメチルケタール、ベンジル-β-メトキシエチルアセタール等のベンジル誘導体;ベンゾイン、ベンゾインメチルエーテル等のベンゾイン誘導体;1-フェニル-1,2-ブタンジオン-2-(o-メトキシカルボニル)オキシム、1-フェニル-1,2-プロパンジオン-2-(o-メトキシカルボニル)オキシム、1-フェニル-1,2-プロパンジオン-2-(o-エトキシカルボニル)オキシム、1-フェニル-1,2-プロパンジオン-2-(o-ベンゾイル)オキシム、1,3-ジフェニルプロパントリオン-2-(o-エトキシカルボニル)オキシム、1-フェニル-3-エトキシプロパントリオン-2-(o-ベンゾイル)オキシム、エタノン,1-[9-エチル-6-(2-メチルベンゾイル)-9H-カルバゾール-3-イル]-,1-(O-アセチルオキシム)、下記式で表される化合物等のオキシムエステル類等が好ましく挙げられるが、これらに限定されるものではない。光感度の点で、オキシムエステル類が好ましい。
溶剤としては、N-メチル-2-ピロリドン、γ-ブチロラクトン、乳酸エチル、プロピレングリコールモノメチルエーテルアセテート、酢酸ベンジル、n-ブチルアセテート、エトキシエチルプロピオネート、3-メチルメトキシプロピオネート、N,N-ジメチルホルムアミド、N,N-ジメチルアセトアミド、ジメチルスルホキシド、ヘキサメチルホスホリルアミド、テトラメチレンスルホン、シクロヘキサノン、シクロペンタノン、ジエチルケトン、ジイソブチルケトン、メチルアミルケトン、N-ジメチルモルホリン等が挙げられ、通常、他の成分を充分に溶解できるものであれば特に制限はない。
この中でも、各成分の溶解性と感光性樹脂膜形成時の塗布性に優れる観点から、N-メチル-2-ピロリドン、γ-ブチロラクトン、乳酸エチル、プロピレングリコールモノメチルエーテルアセテート、N,N-ジメチルホルムアミド、N,N-ジメチルアセトアミドを用いることが好ましい。
本発明の感光性樹脂組成物は、さらに、カップリング剤(接着助剤)、界面活性剤又はレベリング剤、防錆剤、及び重合禁止剤等を含有してもよい。
カップリング剤は、通常、現像後の加熱処理において、(A)成分と反応して架橋する、又は加熱処理する工程においてカップリング剤自身が重合する。これにより、得られる硬化物と基板との接着性をより向上させることができる。
低温での硬化を行った際の接着性の発現に優れるため、下記式(61)で表される化合物がより好ましい。
さらにアミノ基を有するシランカップリング剤としては、ビス(2-ヒドロキシメチル)-3-アミノプロピルトリエトキシシラン、ビス(2-ヒドロキシメチル)-3-アミノプロピルトリメトキシシラン、ビス(2-グリシドキシメチル)-3-アミノプロピルトリエトキシシラン、ビス(2-ヒドロキシメチル)-3-アミノプロピルトリメトキシシラン等が挙げられる。
R66-(CH2)q-CO-NH-(CH2)r-Si(OR67)3 (63)
(式(63)中、R66はヒドロキシ基又はグリシジル基であり、q及びrは、それぞれ独立に、1~3の整数であり、R67はメチル基、エチル基又はプロピル基である。)
硬化性樹脂組成物は、界面活性剤又はレベリング剤を含むことで、塗布性(例えばストリエーション(膜厚のムラ)の抑制)及び現像性を向上させることができる。
硬化性樹脂組成物は、防錆剤を含むことで、銅及び銅合金の腐食の抑制や変色の防止ができる。
防錆剤としては、例えば、トリアゾール誘導体及びテトラゾール誘導体等が挙げられる。
硬化性樹脂組成物は、重合禁止剤を含有することで、良好な保存安定性を確保することができる。
重合禁止剤としては、ラジカル重合禁止剤、ラジカル重合抑制剤等が挙げられる。
本発明の感光性樹脂組成物の、例えば、80質量%以上、90質量%以上、95質量%以上、98質量%以上、99質量%以上、99.5質量%以上、99.9質量%以上又は100質量%が、(A)~(C)成分、又は、(A)~(C)成分並びに任意に溶剤、カップリング剤、界面活性剤、レベリング剤、防錆剤、及び重合禁止剤であってもよい。
本発明の硬化物は、本発明の樹脂組成物の硬化することで得ることができる。本発明の硬化物は、パターン硬化膜として用いてもよく、パターンがない硬化膜として用いてもよい。本発明の硬化膜の膜厚は、5~20μmが好ましい。
本発明のパターン硬化膜の製造方法では、上述の感光性樹脂組成物を基板上に塗布、乾燥して感光性樹脂膜を形成する工程と、感光性樹脂膜をパターン露光して、樹脂膜を得る工程と、パターン露光後の樹脂膜を、有機溶剤を用いて現像し、パターン樹脂膜を得る工程と、パターン樹脂膜を加熱処理する工程と、を含む。これにより、パターン硬化膜を得ることができる。
乾燥温度は90~150℃が好ましく、溶解コントラスト確保の観点から、90~120℃がより好ましい。
乾燥時間は、30秒間~5分間が好ましい。
乾燥は、2回以上行ってもよい。
これにより、上述の感光性樹脂組成物を膜状に形成した感光性樹脂膜を得ることができる。
照射する活性光線は、i線、広帯域(BB)等の紫外線、可視光線、放射線等が挙げられるが、i線であることが好ましい。
露光装置としては、平行露光機、投影露光機、ステッパ、スキャナ露光機等を用いることができる。
現像液として用いる有機溶剤は、現像液としては、感光性樹脂膜の良溶媒を単独で、又は良溶媒と貧溶媒を適宜混合して用いることができる。
良溶媒としては、N-メチル-2-ピロリドン、N-アセチル-2-ピロリドン、N,N-ジメチルアセトアミド、N,N-ジメチルホルムアミド、ジメチルスルホキシド、ガンマブチロラクトン、α-アセチル-ガンマブチロラクトン、シクロペンタノン、シクロヘキサノン等が挙げられる。
貧溶媒としては、トルエン、キシレン、メタノール、エタノール、イソプロパノール、プロピレングリコールモノメチルエーテルアセテート、プロピレングリコールモノメチルエーテル及び水等が挙げられる。
現像時間は、用いる(A)成分によっても異なるが、10秒間~15分間が好ましく、10秒間~5分間より好ましく、生産性の観点からは、20秒間~5分間がさらに好ましい。
リンス液としては、蒸留水、メタノール、エタノール、イソプロパノール、トルエン、キシレン、プロピレングリコールモノメチルエーテルアセテート、プロピレングリコールモノメチルエーテル等を単独又は適宜混合して用いてもよく、また段階的に組み合わせて用いてもよい。
(A)成分のポリイミド前駆体が、加熱処理工程によって、閉環反応を起こし、通常対応するポリイミドとなる。
上記範囲内であることにより、基板やデバイスへのダメージを小さく抑えることができ、デバイスを歩留り良く生産することが可能となり、プロセスの省エネルギー化を実現することができる。
加熱処理の雰囲気は大気中であっても、窒素等の不活性雰囲気中であってもよいが、パターン樹脂膜の酸化を防ぐことができる観点から、窒素雰囲気下が好ましい。
本発明の硬化物は、パッシベーション膜、バッファーコート膜、層間絶縁膜、カバーコート層又は表面保護膜等として用いることができる。
上記パッシベーション膜、バッファーコート膜、層間絶縁膜、カバーコート層及び表面保護膜等からなる群から選択される1以上を用いて、信頼性の高い、半導体装置、多層配線板、各種電子デバイス、積層デバイス(マルチダイファンアウトウエハレベルパッケージ等)等の電子部品等を製造することができる。
図1は、本発明の一実施形態に係る電子部品である多層配線構造の半導体装置の製造工程図である。
図1において、回路素子を有するSi基板等の半導体基板1は、回路素子の所定部分を除いてシリコン酸化膜等の保護膜2などで被覆され、露出した回路素子上に第1導体層3が形成される。その後、前記半導体基板1上に層間絶縁膜4が形成される。
次いで、窓6Bから露出した第1導体層3を腐食することなく、感光樹脂層5を腐食するようなエッチング溶液を用いて感光樹脂層5が除去される。
3層以上の多層配線構造を形成する場合には、上述の工程を繰り返して行い、各層を形成することができる。
尚、前記例において、層間絶縁膜を本発明の感光性樹脂組成物を用いて形成することも可能である。
下記の合成実施例及び合成比較例で得られたポリイミド前駆体について、下記の方法で重量平均分子量の測定又は推定を行った。
(重量平均分子量の推定)
重量平均分子量の推定値は、ポリイミド前駆体の合成時における原料アミン成分と原料酸成分の仕込みモル比、各分子量、合成方法及び合成条件に基づいて推定した。
(重量平均分子量の測定)
重量平均分子量(測定値)は、ゲルパーミエーションクロマトグラフ(GPC)法を用いて、標準ポリスチレン換算により、以下の条件で求める。
測定装置:検出器 株式会社日立製作所製L4000UV
ポンプ:株式会社日立製作所製L6000
株式会社島津製作所製C-R4A Chromatopac
測定条件:カラムGelpack GL-S300MDT-5×2本
溶離液:THF/DMF=1/1(容積比)
LiBr(0.03mol/L)、H3PO4(0.06mol/L)
流速:1.0mL/分、検出器:UV270nm
3,3’,4,4’-ジフェニルエーテルテトラカルボン酸二無水物(ODPA)5.00gをN-メチル-2-ピロリドン(NMP)64.0gに溶解した。2,2-ビス[4-(4-アミノフェノキシ)フェニル]プロパン(BAPP)6.29gを添加した後、室温(23℃、以下同じ)で3時間撹拌してポリイミド前駆体A1を得た。A1の重量平均分子量(推定値)は75,000であった。
ODPA5.00gをNMP58.2gに溶解した。1,3-ビス[2-(4-アミノフェニル)―2-プロピル]ベンゼン(Bisaniline P)5.27gを添加した後、室温で3時間撹拌してポリイミド前駆体A2を得た。ポリイミド前駆体A2の重量平均分子量(推定値)は75,000であった。
ビス(1,3-ジオキソ-1,3-ジヒドロイソベンゾフラン-5-カルボン酸)1,4-フェニレン(TAHQ)5.00gをNMP 52.4gに溶解した。BAPP 4.25gを添加した後、室温で3時間撹拌してポリイミド前駆体A3を得た。また、ポリイミド前駆体A3の重量平均分子量(推定値)は75,000であった。
TAHQ 5.00gをNMP 58.8gに溶解した。2,2-ビス[4-(4-アミノフェノキシ)フェニル]ヘキサフルオロプロパン(6F-BAPP)5.37gを添加した後、室温で5時間撹拌してポリイミド前駆体A4を得た。また、ポリイミド前駆体A4の重量平均分子量(推定値)は75,000であった。
TAHQ 5.00gをNMP 50.0gに溶解した。4,4’-ビス(4-アミノフェノキシ)ビフェニル(BAPB)3.82gを添加した後、室温で5時間撹拌してポリイミド前駆体A5を得た。ポリイミド前駆体A5の重量平均分子量(推定値)は75,000であった。
BAPP 12.1gと、1,3-ビス(3-アミノプロピル)テトラメチルジシロキサン(LP-7100)0.08gをNMP 90gに溶解した。その後、3,3’,4,4’-ベンゾフェノンテトラカルボン酸二無水物(BTDA)10.00gを加え、60分間撹拌してポリイミド前駆体A6を得た。ポリイミド前駆体A6の重量平均分子量(実測値)を合成実施例1に記載の方法で測定したところ、95,000であった。
1,3-フェニレンジアミン(MPD)1.51gと4,4’-ジアミノジフェニルエーテル(ODA)3.42gをNMP 60gに溶解した。その後、BTDA 10.00gを加え、60分間撹拌してポリイミド前駆体A7を得た。ポリイミド前駆体A7の重量平均分子量(実測値)を合成実施例1に記載の方法で測定したところ、53,000であった。
4,4’-オキシジアニリン(ODA)13.00gと、4,4’-ジアミノ-3-カルボキサミド-ジフェニルエーテル(DDEC)0.88gと、LP-7100 0.90gをNMP 140gに溶解した。その後、ピロメリット酸無水物(PMDA)7.88gと、BTDA 11.64gを加え、60分間撹拌し、ポリイミド前駆体A8を得た。ポリイミド前駆体A8の重量平均分子量(実測値)を合成実施例1に記載の方法で測定したところ、108,000であった。
PMDA 5.00gをNMP 41.7gに溶解した。1,4-フェニレンジアミン(PPD)2.35gを添加した後、室温で3時間撹拌してポリイミド前駆体A9を得た。ポリイミド前駆体A9の重量平均分子量(推定値)は75,000であった。
4,4’-ビフタル酸無水物(S-BPDA)5.00gをNMP 38.2gに溶解した。PPD 1.75gを添加した後、室温で3時間撹拌してポリイミド前駆体A10を得た。ポリイミド前駆体A10の重量平均分子量(測定値)を合成実施例1に記載の方法で測定したところ、52,000であった。
ODPA 47.08g、メタクリル酸2-ヒドロキシエチル(HEMA)5.54gと1,4-ジアザビシクロ[2.2.2]オクタン0.24gをNMP 380gに溶解し、30℃で1時間撹拌した。BAPP 53.04gをNMP 145gに溶解した溶液を加えた後、30℃で3時間撹拌した。その後室温下で一晩撹拌し、反応溶液を得た。この反応溶液に無水トリフルオロ酢酸を59.70g加え、45℃で3時間撹拌し、HEMA 40.37g及びベンゾキノン0.08gを加え45℃で20時間撹拌した。この反応液を蒸留水に滴下し、沈殿物をろ別して集め、減圧乾燥することによってポリイミド前駆体A11を得た。ポリイミド前駆体A11の重量平均分子量(測定値)を合成実施例1に記載の方法で測定したところ、29,692であった。
ポリイミド前駆体A11のエステル化率(ODPAのカルボキシ基のHEMAとの反応率)を、以下の条件でNMR測定を行い、算出した。エステル化率は、全カルボキシ基及び全カルボキシエステルに対し56モル%又は68モル%であった(残部はカルボキシ基であった)。
測定機器:ブルカー・バイオスピン社製 AV400M
磁場強度:400MHz
基準物質:テトラメチルシラン(TMS)
溶剤:ジメチルスルホキシド(DMSO)
ODPA 46.53g、メタクリル酸2-ヒドロキシエチル(HEMA)5.46gと1,4-ジアザビシクロ[2.2.2]オクタン0.24gをNMP501.68gに溶解し、30℃で1時間撹拌した。Bisaniline P 38.76gを加えた後、30℃で3時間撹拌した。その後室温下で一晩撹拌し、反応溶液を得た。この反応溶液に無水トリフルオロ酢酸を58.91g加え、45℃で3時間撹拌し、HEMA39.81g及びベンゾキノン0.09gを加え45℃で20時間撹拌した。この反応液を蒸留水に滴下し、沈殿物をろ別して集め、減圧乾燥することによってポリイミド前駆体A12を得た。ポリイミド前駆体A12の重量平均分子量(測定値)は24,800であった。ポリイミド前駆体A12のエステル化率を合成実施例6と同じ方法で測定したところ、53モル%であった。
ODPA 23.54g、メタクリル酸2-ヒドロキシエチル(HEMA)2.77gと1,4-ジアザビシクロ[2.2.2]オクタン0.12gをNMP 250.00gに溶解し、30℃で1時間撹拌した。1,3-ビス[2-(4-アミノフェニル)-2-プロピル]ベンゼン(Bisaniline M)22.21gをNMP 108.75gに溶解した溶液を加えた後、30℃で3時間撹拌した。その後室温下で一晩撹拌し、反応溶液を得た。この反応溶液に無水トリフルオロ酢酸を29.86g加え、45℃で3時間撹拌し、HEMA20.19g及びベンゾキノン0.04gを加え45℃で20時間撹拌した。この反応液を蒸留水に滴下し、沈殿物をろ別して集め、減圧乾燥することによってポリイミド前駆体A13を得た。ポリイミド前駆体A13の重量平均分子量(測定値)は23,500であった。ポリイミド前駆体A13のエステル化率を合成実施例6と同じ方法で測定したところ、73モル%であった。
ODPA 47.08g、メタクリル酸2-ヒドロキシエチル(HEMA)5.56gと1,4-ジアザビシクロ[2.2.2]オクタン0.24gをNMP 380.00gに溶解し、30℃で1時間撹拌した。m-トリジン(DMAP)27.44gをNMP 145.00gに溶解した溶液を加えた後、30℃で3時間撹拌した。その後室温下で一晩撹拌し、反応溶液を得た。この反応溶液に無水トリフルオロ酢酸を59.71g加え、45℃で3時間撹拌し、HEMA40.37g及びベンゾキノン0.08gを加え45℃で20時間撹拌した。この反応液を蒸留水に滴下し、沈殿物をろ別して集め、減圧乾燥することによってポリイミド前駆体A14を得た。ポリイミド前駆体A14の重量平均分子量(測定値)を合成実施例1に記載の方法で測定したところ、27,000であった。ポリイミド前駆体A14のエステル化率を合成実施例6と同じ方法で測定したところ、81モル%であった。
・ポリイミド前駆体A1~A14:合成実施例及び合成比較例で得られたポリイミド前駆体A1~A14
・NMP
・「UCT-801」(3-ウレイドプロピルトリエトキシシラン、United Chemical Technologies社製)
・「Taobn」(1,4,4-トリメチル-2,3-ジアザビシクロ[3.2.2]-ノナ-2-エン-N,N-ジクソイド、Hampford Research社製)
合成実施例1~5及び合成比較例1~5における合成完了時の溶液(非感光性樹脂組成物)を以下の各工程で用いた。
得られた樹脂組成物をウエハ(アドバンテック社製)上に塗布し、乾燥して樹脂膜を形成した。次いで、樹脂膜を表1に示す硬化温度で加熱することで硬化して硬化膜を作製した。硬化時間は、硬化温度が200℃、230℃、250℃又は320℃の場合は2時間とし、硬化温度が375℃の場合は1時間とした。
次いで、ウエハに成膜した硬化膜(フィルム)を、カッターを用いて所定の大きさで方形状に切り込みを入れた後、ウエハから硬化膜を剥離して測定用サンプルとした。切り出した硬化膜のサイズは、測定周波数が5GHz又は10GHzの場合は6cm×10cmの方形状に切り出し、20GHzの場合は3cm×7cmの方形状に切り出した。測定用サンプルの膜厚は表1に示す通りである。
(比誘電率Dk及び誘電正接Dfの測定方法)
得られた測定用サンプルを、アジレント・テクノロジー株式会社製「SPDR誘電体共振器」にセットし、測定器にはAgilent Technologies社製ベクトル型ネットワークアナライザE8364Bを、測定プログラムにはCPMA-V2をそれぞれ使用し、SPDR法(スプリットポスト誘電体共振器法)によって、周波数5GHz、10GHz及び20GHzにおいて、比誘電率Dk及び誘電正接Dfを測定した。なお、測定温度は25℃とした。表1に示す比誘電率Dk及び誘電正接Dfは、3回の測定により得られた測定値の平均値である。
[感光性樹脂組成物の調製]
表2に示す成分及び配合量にて、実施例6~14及び比較例6の感光性樹脂組成物を調製した。表2における配合量は、100質量部の(A)成分に対する各成分の質量部である。
この明細書に記載の文献の内容を全て援用する。
Claims (28)
- 下記式(1)で表される構造単位を有する、ポリイミド前駆体。
(式(1)中、X1は1以上の芳香族基を有する4価の基である。X1が下記式(11)で表される基である場合、Z3はカルボニル基以外の2価の基である。
Y1は下記式(21)~(24)で表される2価の基からなる群から選択される1種以上の基を連結してなる2価の基である。
(式(21)中、R11は、炭素数1~4の脂肪族炭化水素基、又はハロゲン原子を有する炭素数1~4の脂肪族炭化水素基である。nは0~4の整数である。
式(22)中、R12及びR13は、それぞれ独立に、水素原子、炭素数1~4の脂肪族炭化水素基、又はハロゲン原子を有する炭素数1~4の脂肪族炭化水素基である。
式(23)中、Cyは、炭素数3~10の環状脂肪族炭化水素基である。
式(24)中、X11は、酸素原子又は硫黄原子である。)
Y1に含まれる式(21)で表される2価の基の数をe、式(22)で表される2価の基の数をf、式(23)で表される2価の基の数をg、式(24)で表される2価の基の数をhとしたときに、e≧1、f≧0、g≧0、h≧0であり、e+f+g+h≧4である。
R1及びR2は、それぞれ独立に、水素原子、下記式(2)で表される基、又は炭素数1~4の脂肪族炭化水素基である。
(式(2)中、R3~R5は、それぞれ独立に、水素原子又は炭素数1~4の脂肪族炭化水素基であり、mは1~10の整数である。)
-COOR1基と-CO-基とは互いにオルト位置にあり、-COOR2基と-CONH-基とは互いにオルト位置にある。) - Y1が前記式(21)で表される2価の基と、前記式(22)で表される2価の基とを含む、請求項1に記載のポリイミド前駆体。
- Y1が前記式(21)で表される2価の基と、前記式(24)で表される2価の基とを含む、請求項1又は2に記載のポリイミド前駆体。
- Y1が前記式(21)で表される2価の基と、前記式(22)で表される2価の基と、前記式(24)で表される2価の基とを含む、請求項1~3のいずれかに記載のポリイミド前駆体。
- 前記式(1)において、e≧3である、請求項1~4のいずれかに記載のポリイミド前駆体。
- 前記式(1)において、e≧3であり、f≧2である、請求項1~5のいずれかに記載のポリイミド前駆体。
- 前記式(1)において、e≧3であり、h≧2である、請求項1~6のいずれかに記載のポリイミド前駆体。
- 前記式(1)において、e≧4である、請求項1~7のいずれかに記載のポリイミド前駆体。
- 前記式(1)において、e+f+g+h≧5である、請求項1~8のいずれかに記載のポリイミド前駆体。
- 前記式(21)において、n=0である、請求項1~9のいずれかに記載のポリイミド前駆体。
- 前記式(22)において、R12及びR13が、それぞれ独立に、メチル基又はトリフルオロメチル基である、請求項1~10のいずれかに記載のポリイミド前駆体。
- 前記式(24)において、X11が酸素原子である、請求項1~11のいずれかに記載のポリイミド前駆体。
- Z3が、エーテル結合(-O-)又はスルフィド結合(-S-)を含む、請求項1~15のいずれかに記載のポリイミド前駆体。
- Z3が、芳香族炭化水素基を有する2価の基を含む、請求項1~16のいずれかに記載のポリイミド前駆体。
- Z3が、-O-Ar-O-、-S-Ar-S-、又は-COO-Ar-OOC-(Arは、ベンゼン環を含む2価の基、ナフタレン環を含む2価の基、又はアントラセン環を含む2価の基である。)で表される2価の基を含む、請求項1~17のいずれかに記載のポリイミド前駆体。
- 前記式(1)において、R1及びR2が、それぞれ独立に、水素原子、又は炭素数1~4の脂肪族炭化水素基である、請求項1~18のいずれかに記載のポリイミド前駆体。
- 前記式(1)において、R1及びR2の少なくとも一方が式(2)で表される1価の基である、請求項1~18のいずれかに記載のポリイミド前駆体。
- 請求項1~20のいずれかに記載のポリイミド前駆体を含む樹脂組成物。
- (A)請求項1~20のいずれかに記載のポリイミド前駆体と、
(B)重合性モノマーと、
(C)光重合開始剤と、
を含む感光性樹脂組成物。 - 請求項22に記載の感光性樹脂組成物を基板上に塗布、乾燥して感光性樹脂膜を形成する工程と、
前記感光性樹脂膜をパターン露光して、樹脂膜を得る工程と、
前記パターン露光後の樹脂膜を、有機溶剤を用いて現像し、パターン樹脂膜を得る工程と、
前記パターン樹脂膜を加熱処理する工程と、
を含むパターン硬化膜の製造方法。 - 前記加熱処理の温度が200℃以下である請求項23に記載のパターン硬化膜の製造方法。
- 請求項22に記載の感光性樹脂組成物を硬化した硬化膜。
- パターン硬化膜である請求項25に記載の硬化膜。
- 請求項25又は26に記載の硬化膜を用いて作製された層間絶縁膜、カバーコート層又は表面保護膜。
- 請求項27に記載の層間絶縁膜、カバーコート層又は表面保護膜を含む電子部品。
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| PCT/JP2019/039543 WO2021070232A1 (ja) | 2019-10-07 | 2019-10-07 | ポリイミド前駆体、樹脂組成物、感光性樹脂組成物、パターン硬化膜の製造方法、硬化膜、層間絶縁膜、カバーコート層、表面保護膜及び電子部品 |
| US17/766,800 US20240092973A1 (en) | 2019-10-07 | 2019-10-07 | Polyimide precursor, resin composition, photosensitive resin composition, method for manufacturing patterned cured film, cured film, interlayer insulating film, cover coat layer, surface-protective film, and electronic component |
| CN201980101107.6A CN114502617B (zh) | 2019-10-07 | 2019-10-07 | 聚酰亚胺前体、感光性树脂组合物、层间绝缘膜、覆盖涂层、表面保护膜和电子部件 |
| JP2021550963A JP7484926B2 (ja) | 2019-10-07 | 2019-10-07 | ポリイミド前駆体、樹脂組成物、感光性樹脂組成物、パターン硬化膜の製造方法、硬化膜、層間絶縁膜、カバーコート層、表面保護膜及び電子部品 |
| KR1020227008935A KR102781673B1 (ko) | 2019-10-07 | 2019-10-07 | 폴리이미드 전구체, 수지 조성물, 감광성 수지 조성물, 패턴 경화막의 제조 방법, 경화막, 층간 절연막, 커버 코트층, 표면 보호막 및 전자 부품 |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0683054A (ja) * | 1992-09-07 | 1994-03-25 | Sumitomo Bakelite Co Ltd | 感光性樹脂組成物 |
| JPH07173287A (ja) * | 1993-12-17 | 1995-07-11 | Toyobo Co Ltd | 有機溶媒可溶性ポリイミド |
| JPH0990630A (ja) * | 1995-09-26 | 1997-04-04 | Toshiba Chem Corp | 感光性樹脂組成物 |
| JP2001254014A (ja) * | 2000-01-05 | 2001-09-18 | Toray Ind Inc | 感光性ポリイミド前駆体組成物および金属箔−ポリイミド複合体 |
| JP2007099842A (ja) * | 2005-09-30 | 2007-04-19 | Kaneka Corp | 新規なポリイミド樹脂 |
| WO2008133182A1 (ja) * | 2007-04-18 | 2008-11-06 | Asahi Kasei E-Materials Corporation | 金属-樹脂積層体 |
| JP2013117669A (ja) * | 2011-12-05 | 2013-06-13 | Hitachi Chemical Co Ltd | 感光性樹脂組成物、並びにこれを用いた感光性フィルム、レジストパターンの形成方法及びプリント配線板 |
| WO2018061727A1 (ja) * | 2016-09-29 | 2018-04-05 | 新日鉄住金化学株式会社 | ポリイミドフィルム、銅張積層板及び回路基板 |
| CN108384002A (zh) * | 2017-02-03 | 2018-08-10 | 台虹科技股份有限公司 | 聚酰亚胺聚合物以及聚酰亚胺膜 |
| WO2019044874A1 (ja) * | 2017-09-01 | 2019-03-07 | 日産化学株式会社 | 感光性樹脂組成物 |
| WO2019139028A1 (ja) * | 2018-01-10 | 2019-07-18 | 日産化学株式会社 | 絶縁膜用樹脂組成物 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3168909B2 (ja) | 1995-04-13 | 2001-05-21 | 日立化成工業株式会社 | 感光性樹脂組成物、ポリイミドパターンの製造法及び半導体素子の製造法 |
| WO2018179382A1 (ja) * | 2017-03-31 | 2018-10-04 | 日立化成デュポンマイクロシステムズ株式会社 | 感光性樹脂組成物、パターン硬化物の製造方法、硬化物、層間絶縁膜、カバーコート層、表面保護膜及び電子部品 |
| JP2018179382A (ja) | 2017-04-11 | 2018-11-15 | 株式会社デンソー | 熱交換器 |
-
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Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0683054A (ja) * | 1992-09-07 | 1994-03-25 | Sumitomo Bakelite Co Ltd | 感光性樹脂組成物 |
| JPH07173287A (ja) * | 1993-12-17 | 1995-07-11 | Toyobo Co Ltd | 有機溶媒可溶性ポリイミド |
| JPH0990630A (ja) * | 1995-09-26 | 1997-04-04 | Toshiba Chem Corp | 感光性樹脂組成物 |
| JP2001254014A (ja) * | 2000-01-05 | 2001-09-18 | Toray Ind Inc | 感光性ポリイミド前駆体組成物および金属箔−ポリイミド複合体 |
| JP2007099842A (ja) * | 2005-09-30 | 2007-04-19 | Kaneka Corp | 新規なポリイミド樹脂 |
| WO2008133182A1 (ja) * | 2007-04-18 | 2008-11-06 | Asahi Kasei E-Materials Corporation | 金属-樹脂積層体 |
| JP2013117669A (ja) * | 2011-12-05 | 2013-06-13 | Hitachi Chemical Co Ltd | 感光性樹脂組成物、並びにこれを用いた感光性フィルム、レジストパターンの形成方法及びプリント配線板 |
| WO2018061727A1 (ja) * | 2016-09-29 | 2018-04-05 | 新日鉄住金化学株式会社 | ポリイミドフィルム、銅張積層板及び回路基板 |
| CN108384002A (zh) * | 2017-02-03 | 2018-08-10 | 台虹科技股份有限公司 | 聚酰亚胺聚合物以及聚酰亚胺膜 |
| WO2019044874A1 (ja) * | 2017-09-01 | 2019-03-07 | 日産化学株式会社 | 感光性樹脂組成物 |
| WO2019139028A1 (ja) * | 2018-01-10 | 2019-07-18 | 日産化学株式会社 | 絶縁膜用樹脂組成物 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022054415A (ja) * | 2020-09-25 | 2022-04-06 | 旭化成株式会社 | ポリイミド硬化膜の製造方法 |
| JP7691307B2 (ja) | 2020-09-25 | 2025-06-11 | 旭化成株式会社 | ポリイミド硬化膜の製造方法 |
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| US20240092973A1 (en) | 2024-03-21 |
| KR20220079821A (ko) | 2022-06-14 |
| KR102781673B1 (ko) | 2025-03-18 |
| JP7484926B2 (ja) | 2024-05-16 |
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