WO2020031976A1 - 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
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
- Publication number
- WO2020031976A1 WO2020031976A1 PCT/JP2019/030771 JP2019030771W WO2020031976A1 WO 2020031976 A1 WO2020031976 A1 WO 2020031976A1 JP 2019030771 W JP2019030771 W JP 2019030771W WO 2020031976 A1 WO2020031976 A1 WO 2020031976A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- group
- film
- photosensitive resin
- resin composition
- component
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
- 0 C*(*)*N** Chemical compound C*(*)*N** 0.000 description 2
Images
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/004—Photosensitive materials
- G03F7/027—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds
- G03F7/032—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with binders
- G03F7/037—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with binders the binders being polyamides or polyimides
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- 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
- C08G73/16—Polyester-imides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/35—Heterocyclic compounds having nitrogen in the ring having also oxygen in the ring
- C08K5/357—Six-membered rings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L79/00—Compositions of 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 C08L61/00 - C08L77/00
- 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
-
- 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
-
- 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
- G03F7/028—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with photosensitivity-increasing substances, e.g. photoinitiators
-
- 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
- G03F7/028—Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds with photosensitivity-increasing substances, e.g. photoinitiators
- G03F7/031—Organic compounds not covered by group G03F7/029
-
- 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
- G03F7/038—Macromolecular compounds which are rendered insoluble or differentially wettable
- G03F7/0387—Polyamides or polyimides
-
- 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
- G03F7/038—Macromolecular compounds which are rendered insoluble or differentially wettable
- G03F7/0388—Macromolecular compounds which are rendered insoluble or differentially wettable with ethylenic or acetylenic bands in the side chains of the photopolymer
-
- 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
- G03F7/20—Exposure; Apparatus therefor
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/26—Processing photosensitive materials; Apparatus therefor
- G03F7/30—Imagewise removal using liquid means
- G03F7/32—Liquid compositions therefor, e.g. developers
- G03F7/325—Non-aqueous compositions
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/26—Processing photosensitive materials; Apparatus therefor
- G03F7/40—Treatment after imagewise removal, e.g. baking
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
Definitions
- the present invention relates to a photosensitive resin composition, a method for producing a cured pattern film, a cured film, an interlayer insulating film, a cover coat layer, a surface protective film, and an electronic component.
- a multi-die fan-out wafer level package (Multi-die Fanout Wafer Level Level Packaging) is a package in which a plurality of dies are collectively sealed in one package, and has been conventionally proposed. It is attracting attention because it can be expected to achieve lower cost and higher performance than a fan-out wafer level package (where one die is sealed in one package).
- Patent Document 2 discloses a negative photosensitive resin composition containing a specific amide compound.
- An object of the present invention is to provide a photosensitive resin composition having excellent sensitivity, a method for producing a pattern cured film using the same, a cured film, an interlayer insulating film, a cover coat layer, a surface protective film, and an electronic component.
- the present inventors have conducted intensive studies in view of the above problems, as a result of combining a polyimide precursor having a polymerizable unsaturated bond with a specific photopolymerization initiator and a compound having a specific structure, The inventors have found that a photosensitive resin composition having high photosensitivity can be obtained, and have completed the present invention.
- the following photosensitive resin composition and the like are provided.
- a photosensitive resin composition containing (In the formulas (1) to (4), R 1 , R 2 and R 8 are each independently an alkyl group having 1 to 4 carbon atoms, and R 3 to R 7 are each independently a hydrogen atom or An alkyl group having 1 to 4 carbon atoms, s is an integer of 0 to 8, t is an integer of 0 to 4, and r is an integer of 0 to 4.)
- R 11 is an alkyl group having 1 to 12 carbon atoms, an alkoxy group having 1 to 12 carbon atoms, a cycloalkyl group having 4 to 10 carbon atoms, a phenyl group or a tolyl group, and R
- R 21 and R 22 are each independently a hydrogen atom, the following formula (22) Or an aliphatic hydrocarbon group having 1 to 4 carbon atoms, and at least one of R 21 and R 22 is a group represented by the following formula (22): —COOR 21 group and —CO— Groups are ortho to each other, and the -COOR 22 and -CONH- groups are ortho to each other.)
- R 23 to R 25 are each independently a hydrogen atom or an aliphatic hydrocarbon group having 1 to 3 carbon atoms.
- M is an integer of 1 to 10.
- the photosensitive resin composition according to any one of 1 to 4 further comprising (D) a crosslinking agent. 6.
- a photosensitive resin composition having excellent sensitivity a method for producing a pattern cured film using the same, a cured film, an interlayer insulating film, a cover coat layer, a surface protective film, and an electronic component can be provided.
- a or B may include either one of A and B, or may include both.
- the term "step” is included not only in an independent step but also in the case where the intended action of the step is achieved even if it cannot be clearly distinguished from other steps. .
- a numerical range indicated by using “to” indicates a range including numerical values described before and after “to” as a minimum value and a maximum value, respectively.
- the content of each component in the composition when there are a plurality of substances corresponding to each component in the composition, unless otherwise specified, the total amount of the plurality of substances present in the composition means.
- the exemplified materials may be used alone or in combination of two or more unless otherwise specified.
- the “(meth) acryl group” in the present specification means “acryl group” and “methacryl group”.
- the photosensitive resin composition of the present invention comprises (A) a polyimide precursor having a polymerizable unsaturated bond (hereinafter, also referred to as “component (A)”) and (B) the following formulas (1) to (4). )) And one or more compounds (hereinafter also referred to as “component (B)”) and (C) a photopolymerization initiator represented by the following formula (11) (hereinafter “component (C)”). ).
- component (C) a photopolymerization initiator represented by the following formula (11) (hereinafter “component (C)”).
- the photosensitive resin composition of the present invention is preferably a negative photosensitive resin composition.
- R 1 , R 2 and R 8 are each independently an alkyl group having 1 to 4 carbon atoms, and R 3 to R 7 are each independently a hydrogen atom or An alkyl group having 1 to 4 carbon atoms, s is an integer of 0 to 8, t is an integer of 0 to 4, and r is an integer of 0 to 4.
- R 11 is an alkyl group having 1 to 12 carbon atoms, an alkoxy group having 1 to 12 carbon atoms, a cycloalkyl group having 4 to 10 carbon atoms, a phenyl group or a tolyl group
- R 12 is R 13 is a substituted or unsubstituted benzoyl group, a substituted or unsubstituted fluorenyl group, a substituted or unsubstituted fluorenyl group or a substituted or unsubstituted fluorenyl group. It is an unsubstituted
- the photosensitive resin composition of the present invention has higher photosensitivity than the conventional photosensitive resin composition by containing the above components. That is, a pattern with a high residual film ratio can be obtained with a small exposure amount.
- each component will be described.
- Component (A) a polyimide precursor having a polymerizable unsaturated bond
- the component (A) is not particularly limited as long as it is a polyimide precursor having a polymerizable unsaturated bond, but has a high transmittance when i-line is used as a light source at the time of pattern exposure, and is cured at a low temperature of 200 ° C. or lower. Polyimide precursors that exhibit high cured film properties are also preferred. Examples of the polymerizable unsaturated bond include a double bond between carbon atoms.
- the component (A) is preferably a polyimide precursor having a structural unit represented by the following formula (21). Thereby, a good cured film can be formed even when curing is performed at a low temperature of 200 ° C. or less, with high i-line transmittance.
- X 1 is a tetravalent aromatic group.
- Y 1 is a divalent aromatic group.
- R 21 and R 22 are each independently a hydrogen atom, the following formula (22) Or an aliphatic hydrocarbon group having 1 to 4 carbon atoms, and at least one of R 21 and R 22 is a group represented by the following formula (22): —COOR 21 group and —CO— Groups are ortho to each other, and the -COOR 22 and -CONH- groups are ortho to each other.)
- R 23 to R 25 are each independently a hydrogen atom or an aliphatic hydrocarbon group having 1 to 3 carbon atoms.
- M is an integer of 1 to 10 (preferably an integer of 2 to 10) , More preferably an integer of 2 to 5, further preferably 2 or 3).
- the tetravalent aromatic group for X 1 may be a tetravalent group containing an aromatic hydrocarbon structure (for example, having 6 to 20 carbon atoms), or a tetravalent group containing an aromatic heterocyclic structure (atom The number may be, for example, 5 to 20).
- X 1 is preferably a tetravalent group containing an aromatic hydrocarbon structure.
- the tetravalent group containing an aromatic hydrocarbon structure X 1, but include groups shown below, for example, but not limited thereto.
- Z 1 and Z 2 are each independently a divalent group or a single bond that is not conjugated to a benzene ring to which they are bonded.
- Z 3 is an ether bond (—O—) or a sulfide bond (— S-).
- the divalent group of Z 1 and Z 2 is preferably —O—, —S—, a methylene group, a bis (trifluoromethyl) methylene group or a difluoromethylene group, more preferably —O—.
- Z 3 is preferably -O-.
- the divalent aromatic group for Y 1 may be a divalent aromatic hydrocarbon group (for example, having 6 to 20 carbon atoms), or a divalent aromatic heterocyclic group (for example, having 5 to 20 atoms). ). Y 1 is preferably a divalent aromatic hydrocarbon group.
- Examples of the divalent aromatic hydrocarbon group for Y 1 include a group represented by the following formula (23), but are not limited thereto.
- R 31 to R 38 are each independently a hydrogen atom, a monovalent aliphatic hydrocarbon group or a monovalent organic group having a halogen atom.
- a methyl group is preferable.
- the monovalent organic group having a halogen atom (preferably a fluorine atom) of R 31 to R 38 is a monovalent aliphatic hydrocarbon group having a halogen atom (preferably having 1 to 10 carbon atoms, more preferably having 1 carbon atom). To 6) are preferable, and a trifluoromethyl group is more preferable.
- R 32 and R 33 may be a monovalent aliphatic hydrocarbon group (eg, a methyl group), and R 31 and R 34 to R 38 may be a hydrogen atom.
- Examples of the aliphatic hydrocarbon group having 1 to 4 (preferably 1 or 2) carbon atoms for R 21 and R 22 in the formula (21) include a methyl group, an ethyl group, an n-propyl group, a 2-propyl group, and an n- Butyl group and the like.
- R 21 and R 22 are a group represented by the formula (22), and preferably both R 21 and R 22 are groups represented by the formula (22).
- Examples of the aliphatic hydrocarbon group having 1 to 3 (preferably 1 or 2) carbon atoms represented by R 23 to R 25 in the formula (22) include a methyl group, an ethyl group, an n-propyl group, and a 2-propyl group. Can be A methyl group is preferred.
- the polyimide precursor having a structural unit represented by the formula (21) is, for example, a tetracarboxylic dianhydride represented by the following formula (24) and a diamino compound represented by the following formula (25):
- a polyamic acid is produced by reacting in an organic solvent such as N-methyl-2-pyrrolidone (hereinafter referred to as “NMP”), a compound represented by the following formula (26) is added, and the reaction is carried out in an organic solvent. It can be produced by introducing an ester group wholly or partially.
- NMP N-methyl-2-pyrrolidone
- Y 1 is as defined in Formula (21).
- R 23 to R 25 and m are as defined in formula (22).
- the tetracarboxylic dianhydride represented by the formula (24) and the diamino compound represented by the formula (25) may be used alone or in combination of two or more.
- the content of the structural unit represented by the formula (21) is preferably at least 50% by mole, more preferably at least 80% by mole, based on all structural units of the component (A).
- the upper limit is not particularly limited, and may be 100 mol%.
- the component (A) may have a structural unit other than the structural unit represented by the formula (21).
- Examples of the structural unit other than the structural unit represented by the formula (21) include a structural unit represented by the following formula (27).
- X 2 is a tetravalent aromatic group.
- Y 2 is a divalent aromatic group.
- R 41 and R 42 are each independently a hydrogen atom or a group having 1 to 4 carbon atoms.
- the -COOR 42 group and the -CONH- group are in the ortho position with respect to each other, and the -COOR 41 group and the -CO- group are in the ortho position with each other.)
- Examples of the tetravalent aromatic group of X 2 in the formula (27) include the same groups as the tetravalent aromatic group of X 1 in the formula (21).
- Examples of the divalent aromatic group for Y 2 include the same groups as the divalent aromatic group for Y 1 in Formula (21).
- Examples of the aliphatic hydrocarbon group having 1 to 4 carbon atoms for R 41 and R 42 include the same groups as the aliphatic hydrocarbon groups having 1 to 4 carbon atoms for R 21 and R 22 in formula (21).
- the content of the structural unit other than the structural unit represented by the formula (21) is preferably less than 50 mol% based on all the structural units of the component (A).
- the structural units other than the structural unit represented by the formula (21) may be used alone or in combination of two or more.
- the ratio of the carboxy group esterified with the group represented by the formula (22) to all carboxy groups and all carboxy esters in the polyimide precursor is 50 mol% or more. Preferably, it is more preferably 60 to 100 mol%, and more preferably 70 to 90 mol%.
- the molecular weight of the component (A) is not particularly limited, but is preferably 10,000 to 200,000 in number average molecular weight.
- the number average molecular weight is measured by gel permeation chromatography (GPC), and is determined by conversion using a standard polystyrene calibration curve. Specifically, it is measured by the method described in the examples.
- the photosensitive resin composition of the present invention has high photosensitivity by containing at least one of the compounds represented by the formulas (1) to (4) as the component (B).
- R 1 , R 2 and R 8 are each independently an alkyl group having 1 to 4 carbon atoms
- R 3 to R 7 are each independently a hydrogen atom or An alkyl group having 1 to 4 carbon atoms
- s is an integer of 0 to 8
- t is an integer of 0 to 4
- r is an integer of 0 to 4.
- the alkyl group having 1 to 4 carbon atoms for R 2 is preferably a methyl group or an ethyl group.
- t is preferably 0, 1 or 2 (more preferably 1).
- the alkyl group having 1 to 4 carbon atoms for R 3 is preferably a methyl group, an ethyl group, a propyl group or a butyl group.
- the alkyl group having 1 to 4 carbon atoms for R 4 and R 5 is preferably a methyl group or an ethyl group.
- the alkyl group having 1 to 4 carbon atoms of R 6 to R 8 is preferably a methyl group or an ethyl group.
- r is preferably 0 or 1 (more preferably 0).
- the component (B) may be, for example, one or more of the compounds represented by the formulas (1), (3) and (4), or a compound represented by the formula (3). .
- component (B) for example, the following compounds can be used.
- the content of the component (B) is usually from 10 to 10,000 parts by mass, preferably from 10 to 1,000 parts by mass, and more preferably from 10 to 500 parts by mass, per 100 parts by mass of the component (A). .
- the photosensitive resin composition of the present invention may contain a solvent (for example, an organic solvent).
- a solvent for example, an organic solvent
- Such solvents are not particularly limited, and commonly used solvents can be used. Specific examples include the following solvents.
- Esters include ethyl acetate, n-butyl acetate, isobutyl acetate, amyl formate, isoamyl acetate, isobutyl acetate, butyl propionate, isopropyl butyrate, ethyl butyrate, butyl butyrate, methyl lactate, ethyl lactate, ⁇ -butyrolactone, ⁇ - Caprolactone, ⁇ -valerolactone, alkyl alkoxyacetates (eg, methyl alkoxyacetate, ethyl acetate, butyl alkoxyacetate (eg, methyl methoxyacetate, ethyl methoxyacetate, butyl meth
- alkyl 2-alkoxypropionates eg, methyl 2-alkoxypropionate, ethyl 2-alkoxypropionate, propyl 2-alkoxypropionate, etc.
- Ketones include methyl ethyl ketone, cyclohexanone, cyclopentanone, 2-heptanone, 3-heptanone, NMP and the like.
- aromatic hydrocarbons include toluene, xylene, anisole, limonene, and the like.
- sulfoxides dimethyl sulfoxide and the like can be mentioned.
- solvent preferably, ⁇ -butyrolactone, cyclopentanone, ethyl lactate and the like are mentioned.
- the NMP content in the photosensitive resin composition of the present invention may be, for example, 1% by mass or less (or 3 parts by mass or less with respect to 100 parts by mass of the component (A)). Further, the content of NMP may be 0% by mass (not including NMP). By doing so, toxicity such as reproductive toxicity can be reduced.
- the above solvent may or may not be used.
- the content of the component (B) is, for example, 5 to 100% by mass based on the total of the component (B) and the solvent, and 5 to 100% by mass based on the total of the component (B) and the solvent. It may be 50% by mass.
- the content of the component (B) is, for example, 10 to 1000 parts by mass with respect to 100 parts by mass of the component (A), and 10 to 1000 parts by mass with respect to 100 parts by mass of the component (A).
- the amount may be 10 to 50 parts by mass relative to 100 parts by mass or 100 parts by mass of the component (A).
- the content of the component (B) is small (for example, 5 to 50% by mass based on the total of the component (B) and the solvent, or 10 to 50 parts by mass based on 100 parts by mass of the component (A)).
- the sensitivity of the photosensitive resin composition of the present invention can be improved.
- the photosensitive resin composition of the present invention has higher photosensitivity due to a synergistic effect with the component (B).
- R 11 is an alkyl group having 1 to 12 carbon atoms, an alkoxy group having 1 to 12 carbon atoms, a cycloalkyl group having 4 to 10 carbon atoms, a phenyl group or a tolyl group
- R 12 is R 13 is a substituted or unsubstituted benzoyl group, a substituted or unsubstituted fluorenyl group, a substituted or unsubstituted fluorenyl group or a substituted or unsubstituted fluorenyl group. It is an unsubstituted carbazolyl group.
- R 11 and R 12 are preferably each independently an alkyl group having 1 to 8 carbon atoms, a cycloalkyl group having 4 to 6 carbon atoms, a phenyl group or a tolyl group, and an alkyl group having 1 to 4 carbon atoms, It is more preferably a cycloalkyl group having 4 to 6 carbon atoms, a phenyl group or a tolyl group, and further preferably a methyl group, a cyclopentyl group, a phenyl group or a tolyl group.
- R 13 is preferably a group corresponding to R 13 in the formula (11), which is present in compounds represented by the following formulas (14) to (20).
- Examples of the substituent of a substituted or unsubstituted benzoyl group, a substituted or unsubstituted fluorenyl group, or a substituted or unsubstituted carbazolyl group include a phenylthio group, an ethyloloxy group, and a carbon number.
- An alkyl group of 1 to 20 eg, a methyl group, an ethyl group, an n-propyl group
- an optionally halogenated (preferably fluorinated) carbon atom of 1 to 20 preferably 1 to 10, more preferably 1 to 10) To 8
- the optional substituent may further have the optional substituent described above.
- the component (C) is preferably a compound represented by the following formula (12) or (13) from the viewpoint of improving photocurability.
- R 61 and R 62 are the same as R 11 and R 12 in the above formula (11).
- R 64 is —H, —OH, —COOH, —O (CH 2 ) OH, —O (CH 2 ) 2 OH, —COO (CH 2 ) OH, or —COO (CH 2 ) 2 OH; —H, —O (CH 2 ) OH, —O (CH 2 ) 2 OH, —COO (CH 2 ) OH or —COO (CH 2 ) 2 OH, preferably —H, —O (CH 2 ) 2 OH or -COO (CH 2 ) 2 OH is more preferable.
- R 61 and R 62 are the same as R 11 and R 12 in the above formula (11).
- R 65 is an alkyl group having 1 to 6 carbon atoms, and is preferably an ethyl group.
- R 66 is an alkyl group having 1 to 12 carbon atoms or an organic group having an acetal bond, and corresponds to R 66 of the formula (13), which is a methyl group or a compound represented by the formula (17) described below. It is preferably a substituent.
- i is an integer of 1 to 3, and is preferably 1 or 2.
- Examples of the compound represented by the above formula (12) include compounds represented by the following formulas (14) and (15).
- the compound represented by the following formula (14) is available as IRGACURE OXE-01 (manufactured by BASF Japan Ltd.).
- Examples of the compound represented by the above formula (13) include compounds represented by the following formulas (16) and (17), which are respectively IRGACURE OXE-02 (manufactured by BASF Japan Ltd.) and Adeka It is available as Optomer N-1919 (manufactured by ADEKA Corporation).
- the content of the component (C) is preferably from 0.1 to 20 parts by mass, more preferably from 0.1 to 10 parts by mass, and still more preferably from 0.1 to 10 parts by mass, per 100 parts by mass of the component (A). 6 parts by mass.
- photocrosslinking tends to be substantially equal in the film thickness direction, and a practical relief pattern is easily obtained.
- the photosensitive resin composition of the present invention may further contain a crosslinking agent (hereinafter, also referred to as “component (D)”).
- component (D) preferably has a polymerizable unsaturated double bond-containing group, and contains a polymerizable unsaturated double bond in order to improve cross-link density and photosensitivity and to suppress swelling of the pattern after development. It preferably has 2 to 6 groups, more preferably 2 to 4.
- the component (D) is preferably a compound having a (meth) acryl group that can be polymerized by a photopolymerization initiator.
- component (D) specifically, diethylene glycol di (meth) acrylate, triethylene glycol di (meth) acrylate, tetraethylene glycol di (meth) acrylate, trimethylolpropane di (meth) acrylate, trimethylolpropane tri ( (Meth) acrylate, 1,4-butanediol di (meth) acrylate, 1,6-hexanediol di (meth) acrylate, pentaerythritol tri (meth) acrylate, pentaerythritol tetra (meth) acrylate, ethoxylated pentaerythritol tetra ( (Meth) acrylate, styrene, divinylbenzene, 4-vinyltoluene, 4-vinylpyridine, N-vinylpyrrolidone, 2-hydroxyethyl (meth) acrylate, 1,3- (meth) acrylo
- the component (D) preferably has a polymerizable unsaturated double bond-containing group and further has an aliphatic cyclic skeleton (preferably having 4 to 15 carbon atoms, more preferably 5 to 12 carbon atoms).
- an aliphatic cyclic skeleton preferably having 4 to 15 carbon atoms, more preferably 5 to 12 carbon atoms.
- the component (D) preferably contains a crosslinking agent represented by the following formula (31).
- R 51 and R 52 are each independently an aliphatic hydrocarbon group having 1 to 4 carbon atoms or a group represented by the following formula (32).
- N1 is 0 or 1
- N2 is an integer of 0 to 2
- n1 + n2 is 1 or more (preferably 2 or 3)
- At least one (preferably 2 or 3) of n1 R 51 and n2 R 52 is It is a group represented by the formula (32).
- the two R 52 may be the same or different.
- R 53 to R 55 are each independently a hydrogen atom or an aliphatic hydrocarbon group having 1 to 3 carbon atoms, and 1 is an integer of 0 to 10 (preferably 0, 1 or 2 ).)
- the aliphatic hydrocarbon group having 1 to 4 carbon atoms represented by R 51 and R 52 in the formula (31) is the same as the aliphatic hydrocarbon group having 1 to 4 carbon atoms represented by R 21 and R 22 in the formula (21). Is mentioned.
- the content is preferably 1 to 100 parts by mass, more preferably 1 to 75 parts by mass, and still more preferably 1 to 50 parts by mass, per 100 parts by mass of the component (A). Parts by weight.
- the photosensitive resin composition of the present invention may further contain a thermal polymerization initiator (hereinafter, also referred to as “component (E)”).
- component (E) is not decomposed by heating (drying) for removing the solvent during the formation of the photosensitive resin film, but is decomposed by heating during curing to generate radicals, and the components (D) and Compounds that promote the polymerization reaction of component (A) and component (D) are preferred.
- the component (E) is preferably a compound having a decomposition point of 110 ° C to 200 ° C, and more preferably a compound having a decomposition point of 110 ° C to 175 ° C from the viewpoint of promoting the polymerization reaction at a lower temperature.
- Examples of the component (E) include bis (1-phenyl-1-methylethyl) peroxide.
- the content is preferably 0.5 to 20 parts by mass, more preferably 1 to 20 parts by mass, based on 100 parts by mass of the component (A). From the viewpoint of suppression of the above, 1 to 10 parts by mass is more preferable.
- the photosensitive resin composition of the present invention may contain, in addition to the above components, a coupling agent, a surfactant or a leveling agent, a rust inhibitor, a polymerization inhibitor, and the like.
- the coupling agent In the heat treatment after development, the coupling agent reacts with the component (A) to form a crosslink, or in the step of heat treatment, the coupling agent itself polymerizes. Thereby, the adhesiveness between the obtained cured film and the substrate can be further improved.
- a silane coupling agent As the coupling agent, a silane coupling agent is preferable.
- Preferred silane coupling agents include compounds having a urea bond (—NH—CO—NH—). Thereby, even when curing is performed at a low temperature of 200 ° C. or lower, the adhesiveness between the obtained cured film and the substrate can be further enhanced.
- the compound represented by the following formula (41) is more preferable in that it exhibits excellent adhesion when cured at a low temperature.
- R 71 and R 72 are each independently an alkyl group 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 (41) include ureidomethyltrimethoxysilane, ureidomethyltriethoxysilane, 2-ureidoethyltrimethoxysilane, 2-ureidoethyltriethoxysilane, and 3-ureidopropyltrimethoxysilane. And 3-ureidopropyltriethoxysilane, 4-ureidobutyltrimethoxysilane, 4-ureidobutyltriethoxysilane, and the like, with 3-ureidopropyltriethoxysilane being preferred.
- a silane coupling agent having a hydroxy group or a glycidyl group may be used as the silane coupling agent.
- 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 together, the adhesion of the cured film to the substrate during low-temperature curing 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-silane.
- R 73 is a monovalent organic group having a hydroxy group or a glycidyl group
- R 74 and R 75 are each independently an alkyl group having 1 to 5 carbon atoms.
- p is an integer of 1 to 3.
- Examples of the compound represented by the formula (42) include hydroxymethyltrimethoxysilane, hydroxymethyltriethoxysilane, 2-hydroxyethyltrimethoxysilane, 2-hydroxyethyltriethoxysilane, 3-hydroxypropyltrimethoxysilane, Hydroxypropyltriethoxysilane, 4-hydroxybutyltrimethoxysilane, 4-hydroxybutyltriethoxysilane, glycidoxymethyltrimethoxysilane, glycidoxymethyltriethoxysilane, 2-glycidoxyethyltrimethoxysilane, 2- Glycidoxyethyltriethoxysilane, 3-glycidoxypropyltrimethoxysilane, 3-glycidoxypropyltriethoxysilane, 4-glycidoxybutyltrimethoxysilane, 4-glycidoxybutyl Triethoxysilane, and the like.
- the silane coupling agent having a hydroxy group or a glycidyl group is more preferably a silane coupling agent further containing a group having a nitrogen atom (for example, 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, bis (2-glycidyl) (Xymethyl) -3-aminopropyltriethoxysilane, bis (2-hydroxymethyl) -3-aminopropyltrimethoxysilane and the like.
- Examples of the silane coupling agent having an amide bond include a compound represented by the following formula (43).
- R 76 is a hydroxy group or a glycidyl group
- q and u are each independently an integer of 1 to 3
- R 77 is a methyl group, an ethyl group, or a propyl group.
- the content of the silane coupling agent is preferably from 0.1 to 20 parts by mass, more preferably from 0.3 to 10 parts by mass, based on 100 parts by mass of the component (A). -10 parts by mass is more preferred.
- surfactant or the leveling agent examples include polyoxyethylene uralyl ether, polyoxyethylene stearyl ether, polyoxyethylene oleyl ether, polyoxyethylene octyl phenol ether, and the like.
- the content of the surfactant or the leveling agent is preferably from 0.01 to 10 parts by mass, more preferably from 0.05 to 5 parts by mass, per 100 parts by mass of the component (A).
- the amount is 0.05 to 3 parts by mass.
- anti-rust By including a rust inhibitor, corrosion of copper and copper alloy can be suppressed and discoloration can be prevented.
- the rust inhibitor 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 more preferably 0.5 to 5 parts by mass, per 100 parts by mass of component (A). 3 parts by mass is more preferred.
- polymerization inhibitor By including a polymerization inhibitor, good storage stability can be ensured.
- the polymerization inhibitor include a radical polymerization inhibitor and a radical polymerization inhibitor.
- the polymerization inhibitor include p-methoxyphenol, diphenyl-p-benzoquinone, benzoquinone, hydroquinone, pyrogallol, phenothiazine, resorcinol, orthodinitrobenzene, paradinitrobenzene, metadinitrobenzene, phenanthraquinone, and N-phenyl-2-quinone.
- Examples include naphthylamine, cuperon, 2,5-toluquinone, tannic acid, parabenzylaminophenol, nitrosamines and the like.
- the content of the polymerization inhibitor is preferably 0 to 100 parts by mass of the component (A) from the viewpoints of storage stability of the photosensitive resin composition and heat resistance of the obtained cured film. 0.01 to 30 parts by mass, more preferably 0.01 to 10 parts by mass, even more preferably 0.05 to 5 parts by mass.
- the photosensitive resin composition of the present invention is essentially composed of components (A) to (C), a solvent, components (D) and (E), a coupling agent, a surfactant, a leveling agent, and rust prevention. It may be composed of one or more components selected from the group consisting of an agent and a polymerization inhibitor, and may further contain 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, and 99.9% by mass or more of the photosensitive resin composition of the present invention.
- the cured film of the present invention can be obtained by curing the above-described photosensitive resin composition.
- the cured film of the present invention may be used as a pattern cured film or a cured film having no pattern.
- the thickness of the cured film of the present invention is preferably 5 to 20 ⁇ m.
- a method of manufacturing a cured film having no pattern includes, for example, a step of forming the above-described photosensitive resin film and a step of performing heat treatment. Further, a step of exposing may be provided.
- the substrate examples include a semiconductor substrate such as a glass substrate and 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.
- the coating method is not particularly limited, but it can be performed using a spinner or the like.
- Drying can be performed using a hot plate, an oven, or the like.
- the drying temperature is preferably from 90 to 150 ° C., and in the case of containing the component (D), more preferably from 90 to 120 ° C. in order to suppress the reaction between the components (A) and (D) from the viewpoint of ensuring the dissolution contrast.
- the drying time is preferably 30 seconds to 5 minutes. Drying may be performed two or more times. Thereby, a photosensitive resin film in which the above-described photosensitive resin composition is formed in a film shape can be obtained.
- the thickness of the photosensitive resin film is preferably 5 to 100 ⁇ m, more preferably 8 to 50 ⁇ m, and further preferably 10 to 30 ⁇ m.
- a predetermined pattern is exposed through a photomask.
- the actinic rays to be radiated include ultraviolet rays such as i-rays, visible rays, and radiation, and are preferably i-rays.
- a parallel exposure device, a projection exposure device, a stepper, a scanner exposure device, or the like can be used as the exposure device.
- a patterned resin film (patterned resin film) can be obtained.
- a negative photosensitive resin composition when used, unexposed portions are removed with a developer.
- a good solvent for the photosensitive resin film can be used alone, or a good solvent and a poor solvent can be appropriately mixed and used.
- Good solvents include N-methylpyrrolidone, N-acetyl-2-pyrrolidone, N, N-dimethylacetamide, N, N-dimethylformamide, dimethylsulfoxide, ⁇ -butyrolactone, ⁇ -acetyl- ⁇ -butyrolactone, cyclopentanone , Cyclohexanone and the like.
- 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 addition amount is preferably 0.01 to 10 parts by mass, more preferably 0.1 to 5 parts by mass, based on 100 parts by mass of the developer.
- the development time can be, for example, twice as long as the time required for dipping and dissolving the photosensitive resin film.
- the development time varies depending on the component (A) used, it is preferably 10 seconds to 15 minutes, more preferably 10 seconds to 5 minutes, and further preferably 20 seconds to 5 minutes from the viewpoint of productivity.
- washing may be performed with a rinsing solution.
- a rinsing solution distilled water, methanol, ethanol, isopropanol, toluene, xylene, propylene glycol monomethyl ether acetate, propylene glycol monomethyl ether, or the like may be used alone, or may be appropriately mixed and used in combination. You may.
- the polyimide precursor of the component (A) may undergo a dehydration ring-closing reaction in the heat treatment step to become a corresponding polyimide.
- the temperature of the heat treatment is preferably 250 ° C. or lower, more preferably 120 to 250 ° C., and still more preferably 200 ° C. or lower or 150 to 200 ° C. By being within the above range, damage to the substrate and the device can be suppressed small, the device can be produced with high yield, and energy saving in the process can be realized.
- the time of the heat treatment is preferably 5 hours or less, more preferably 30 minutes to 3 hours. When the content is within the above range, the crosslinking reaction or the dehydration ring-closing reaction can sufficiently proceed.
- the atmosphere for the heat treatment may be the air or an inert atmosphere such as nitrogen, but is preferably under a nitrogen atmosphere from the viewpoint of preventing oxidation of the pattern resin film.
- Examples of the apparatus used for the heat treatment include a quartz tube furnace, a hot plate, rapid thermal annealing, a vertical diffusion furnace, an infrared curing furnace, an electron beam curing furnace, and a microwave curing furnace.
- the cured film 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.
- a passivation film a buffer coat film, an interlayer insulating film, a cover coat layer, a surface protective film, or the like.
- a highly reliable semiconductor device multilayer wiring board, various electronic devices, etc. Electronic components and the like can be manufactured.
- FIG. 1 is a manufacturing process diagram of a semiconductor device having a multilayer wiring structure as an electronic component according to an embodiment of the present invention.
- a semiconductor substrate 1 such as a Si substrate having circuit elements is covered with a protective film 2 such as a silicon oxide film except for a predetermined portion of the circuit elements, and a first conductor layer 3 is formed on the exposed circuit elements. It is formed. After that, an interlayer insulating film 4 is formed on the semiconductor substrate 1.
- a photosensitive resin layer 5 of a chlorinated rubber type, a phenol novolak type or the like is formed on the interlayer insulating film 4, and a window 6A is formed by a known photolithography technique so that a predetermined portion of the interlayer insulating film 4 is exposed.
- the interlayer insulating film 4 with the window 6A exposed is selectively etched to provide a 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 by using a known photolithography technique, and is electrically connected to the first conductor layer 3.
- each layer can be formed by repeating the above steps.
- a window 6C is opened by pattern exposure using the above-mentioned photosensitive resin composition, and a surface protective film 8 is formed.
- the surface protection film 8 protects the second conductor layer 7 from external stress, ⁇ -rays and the like, and the obtained semiconductor device has excellent reliability.
- the interlayer insulating film 4 can be formed using the photosensitive resin composition of the present invention.
- Synthesis Example 1 (Synthesis of Polymer I) A solution of 7.07 g of 3,3 ′, 4,4′-diphenylethertetracarboxylic dianhydride (ODPA) and 4.12 g of 2,2′-dimethylbiphenyl-4,4′-diamine (DMAP) in 30 g of NMP was dissolved. The mixture was stirred at 30 ° C. for 4 hours, and then stirred at room temperature overnight to obtain a polyamic acid. Under water cooling, 9.45 g of trifluoroacetic anhydride was added thereto, and the mixture was stirred at 45 ° C. for 3 hours, and 7.08 g of 2-hydroxyethyl methacrylate (HEMA) was added.
- ODPA 4,4′-diphenylethertetracarboxylic dianhydride
- DMAP 2,2′-dimethylbiphenyl-4,4′-diamine
- polymer I a polyimide precursor
- the number average molecular weight of the polymer I was determined by the GPC method in terms of standard polystyrene under the following conditions.
- the number average molecular weight of Polymer I was 40,000.
- esterification rate of Polymer I (reaction rate of carboxy group of ODPA with HEMA) was calculated by performing NMR measurement under the following conditions. The esterification rate was 80 mol% based on all carboxy groups and all carboxy esters (the remaining 20 mol% was carboxy groups).
- Solvent dimethyl sulfoxide (DMSO)
- Component (B) one or more of the compounds represented by formulas (1) to (4)
- B1 N-formylmorpholine
- B2 propylene carbonate
- B3 3-methoxy-N
- B4 1,3-dimethyl-2-imidazolidinone
- B5 ⁇ -butyrolactone
- B6 NMP
- the component (B ') means a component different from the component (B) used in the present invention.
- Examples 1 to 3 and Comparative Example 1 Preparation of photosensitive resin composition
- the photosensitive resin compositions of Examples 1 to 3 and Comparative Example 1 were prepared using the components and amounts shown in Table 1.
- the compounding amounts in Table 1 are parts by mass of each component with respect to 100 parts by mass of the component (A).
- the obtained photosensitive resin composition is spin-coated on a silicon wafer using a coating apparatus “Act8” (manufactured by Tokyo Electron Limited), dried at 100 ° C. for 2 minutes, and then dried at 110 ° C. for 2 minutes.
- a photosensitive resin film having a thickness of 13 ⁇ m was formed.
- the development time was set to twice the time required for the obtained photosensitive resin film to be completely dissolved by immersion in cyclopentanone.
- a photosensitive resin film was prepared in the same manner as above, and an i-line of 100 to 600 mJ / cm 2 was applied to the obtained photosensitive resin film using an i-line stepper “FPA-3000iW” (manufactured by Canon Inc.).
- Exposure was performed by irradiating a predetermined pattern at an irradiation amount of 50 mJ / cm 2 .
- the exposed resin film was paddle-developed with "Act8" using cyclopentanone for the above-mentioned development time, and then rinsed with propylene glycol monomethyl ether acetate (PGMEA) to obtain a patterned resin film.
- PMEA propylene glycol monomethyl ether acetate
- the residual film ratio was calculated by dividing the film thickness of the obtained pattern resin film by the film thickness of the photosensitive resin film before exposure and calculating the percentage as a percentage.
- the exposure amount capable of forming a patterned resin film having a residual film ratio of 80% or more was evaluated as sensitivity.
- Examples 4 and 5 and Comparative Example 2 [Preparation of photosensitive resin composition]
- the amount of the crosslinking agent (component (D)) was changed to 25 parts by mass with respect to 100 parts by mass of component (A), and the type and amount of component (B) or component (B ′) were as shown in Table 2.
- a photosensitive resin composition was prepared and evaluated in the same manner as in Example 1 except that the composition was changed to. Table 2 shows the results.
- Examples 6 and 7 [Preparation of photosensitive resin composition and evaluation of sensitivity]
- the photosensitive resin compositions of Examples 6 and 7 were prepared using the components and amounts shown in Table 3.
- the blending amounts in Table 3 are parts by mass of each component with respect to 100 parts by mass of the component (A).
- a patterned resin film was obtained in the same manner as in Examples 1 to 3 and Comparative Example 1.
- the obtained pattern resin film was evaluated in the same manner as in Examples 1 to 3 and Comparative Example 1.
- the sensitivity is shown in Table 3.
- the obtained cured pattern was immersed in a 4.9% by mass aqueous hydrofluoric acid solution, and the cured product having a width of 10 mm was peeled off from the wafer.
- a tensile test was performed on the peeled cured product having a width of 10 mm using Autograph AGS-X 100N (manufactured by Shimadzu Corporation). The distance between the chucks was set to 20 mm, the tensile speed was set to 5 mm / min, and the measurement temperature was set to 18 to 25 ° C. The case where the average value was 30% or more was A, and the case where it was less than 30% was B. Table 3 shows the results.
- the photosensitive resin composition of the present invention can be used for an interlayer insulating film, a cover coat layer, a surface protective film, and the like, and the interlayer insulating film, the cover coat layer, or the surface protective film of the present invention can be used for electronic components and the like. Can be.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Materials For Photolithography (AREA)
- Macromonomer-Based Addition Polymer (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
- Photosensitive Polymer And Photoresist Processing (AREA)
Abstract
Description
例えば特許文献2には特定のアミド化合物を含むネガ型感光性樹脂組成物が開示されている。
1.(A)重合性の不飽和結合を有するポリイミド前駆体と、
(B)下記式(1)~(4)で表される化合物のうち一以上と、
(C)下記式(11)で表される光重合開始剤と、
を含有する感光性樹脂組成物。
2.前記(A)成分が、下記式(21)で表される構造単位を有するポリイミド前駆体である1に記載の感光性樹脂組成物。
3.前記(B)成分として、少なくとも前記式(3)で表される化合物を含む1又は2に記載の感光性樹脂組成物。
4.前記(B)成分を、前記(A)成分100質量部に対して10~10000質量部含む1~3のいずれかに記載の感光性樹脂組成物。
5.さらに(D)架橋剤を含む1~4のいずれかに記載の感光性樹脂組成物。
6.さらに(E)熱重合開始剤を含む1~5のいずれかに記載の感光性樹脂組成。
7.1~6のいずれか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。
8.前記加熱処理の温度が200℃以下である7に記載のパターン硬化膜の製造方法。
9.1~6のいずれかに記載の感光性樹脂組成物を硬化した硬化膜。
10.パターン硬化膜である9に記載の硬化膜。
11.9又は10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。
12.11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。
本発明の感光性樹脂組成物は、(A)重合性の不飽和結合を有するポリイミド前駆体(以下、「(A)成分」ともいう。)と、(B)下記式(1)~(4)で表される化合物のうち一以上(以下、「(B)成分」ともいう。)と、(C)下記式(11)で表される光重合開始剤(以下、「(C)成分」ともいう。)と、を含有する。本発明の感光性樹脂組成物は、好ましくはネガ型感光性樹脂組成物である。
以下、各成分について説明する。
(A)成分は、重合性の不飽和結合を有するポリイミド前駆体であれば特に限定されないが、パターン露光時の光源にi線を用いた場合の透過率が高く、200℃以下の低温硬化時にも高い硬化膜特性を示すポリイミド前駆体が好ましい。
重合性の不飽和結合としては、炭素原子間の二重結合等が挙げられる。
Z3は、-O-が好ましい。
式(21)で表される構造単位以外の構造単位は、1種単独であってもよく、2種以上であってもよい。
数平均分子量は、ゲルパーミエーションクロマトグラフィー(GPC)法によって測定し、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。具体的には実施例に記載の方法により測定する。
本発明の感光性樹脂組成物は、(B)成分として式(1)~(4)で表される化合物のうち一以上を含有することにより、高い光感度を有する。
式(2)において、R2の炭素数1~4のアルキル基としては、好ましくはメチル基又はエチル基である。tは好ましくは0、1又は2(より好ましくは1)である。
式(3)において、R3の炭素数1~4のアルキル基としては、好ましくはメチル基、エチル基、プロピル基又はブチル基である。R4及びR5の炭素数1~4のアルキル基としては、好ましくはメチル基又はエチル基である。
式(4)において、R6~R8の炭素数1~4のアルキル基としては、好ましくはメチル基又はエチル基である。rは好ましくは0又は1(より好ましくは0)である。
本発明の感光性樹脂組成物は、溶剤(例えば、有機溶剤)を含有してもよい。そのような溶剤としては特に限定はなく、通常用いられるものを使用可能であり、具体例として以下の溶剤が挙げられる。
エステル類として、酢酸エチル、酢酸-n-ブチル、酢酸イソブチル、ギ酸アミル、酢酸イソアミル、酢酸イソブチル、プロピオン酸ブチル、酪酸イソプロピル、酪酸エチル、酪酸ブチル、乳酸メチル、乳酸エチル、γ-ブチロラクトン、ε-カプロラクトン、δ-バレロラクトン、アルコキシ酢酸アルキル(例えば、アルコキシ酢酸メチル、アルコキシ酢酸エチル、アルコキシ酢酸ブチル(例えば、メトキシ酢酸メチル、メトキシ酢酸エチル、メトキシ酢酸ブチル、エトキシ酢酸メチル、エトキシ酢酸エチル等))、3-アルコキシプロピオン酸アルキルエステル類(例えば、3-アルコキシプロピオン酸メチル、3-アルコキシプロピオン酸エチル等(例えば、3-メトキシプロピオン酸メチル、3-メトキシプロピオン酸エチル、3-エトキシプロピオン酸メチル、3-エトキシプロピオン酸エチル等))、2-アルコキシプロピオン酸アルキルエステル類(例えば、2-アルコキシプロピオン酸メチル、2-アルコキシプロピオン酸エチル、2-アルコキシプロピオン酸プロピル等(例えば、2-メトキシプロピオン酸メチル、2-メトキシプロピオン酸エチル、2-メトキシプロピオン酸プロピル、2-エトキシプロピオン酸メチル、2-エトキシプロピオン酸エチル))、2-アルコキシ-2-メチルプロピオン酸メチル、2-アルコキシ-2-メチルプロピオン酸エチル(例えば、2-メトキシ-2-メチルプロピオン酸メチル、2-エトキシ-2-メチルプロピオン酸エチル等)、ピルビン酸メチル、ピルビン酸エチル、ピルビン酸プロピル、アセト酢酸メチル、アセト酢酸エチル、2-オキソブタン酸メチル、2-オキソブタン酸エチル等が挙げられる。
エーテル類として、ジエチレングリコールジメチルエーテル、テトラヒドロフラン、エチレングリコールモノメチルエーテル、エチレングリコールモノエチルエーテル、メチルセロソルブアセテート、エチルセロソルブアセテート、ジエチレングリコールモノメチルエーテル、ジエチレングリコールモノエチルエーテル、ジエチレングリコールモノブチルエーテル、プロピレングリコールモノメチルエーテル、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エチルエーテルアセテート、プロピレングリコールモノプロピルエーテルアセテート等が挙げられる。
ケトン類として、メチルエチルケトン、シクロヘキサノン、シクロペンタノン、2-ヘプタノン、3-ヘプタノン、NMP等が挙げられる。
芳香族炭化水素類として、トルエン、キシレン、アニソール、リモネン等が挙げられる。
スルホキシド類として、ジメチルスルホキシド等が挙げられる。
本発明の感光性樹脂組成物は、式(11)で表される光重合開始剤を含むことにより、(B)成分との相乗効果で光感度がより高いものとなる。
R13は、後述する式(14)~(20)で表される化合物が有する、式(11)のR13に対応する基であることが好ましい。
任意の置換基は、さらに上述の任意の置換基を有してもよい。
R64は、-H、-OH、-COOH、-O(CH2)OH、-O(CH2)2OH、-COO(CH2)OH、又は-COO(CH2)2OHであり、-H、-O(CH2)OH、-O(CH2)2OH、-COO(CH2)OH、又は-COO(CH2)2OHであることが好ましく、-H、-O(CH2)2OH、又は-COO(CH2)2OHであることがより好ましい。
R65は、炭素数1~6のアルキル基であり、エチル基であることが好ましい。R66は、炭素数1~12のアルキル基、又はアセタール結合を有する有機基であり、メチル基又は後述する式(17)で表される化合物が有する、式(13)のR66に対応する置換基であることが好ましい。iは1~3の整数であり、1又は2であることが好ましい。
本発明の感光性樹脂組成物は、さらに架橋剤(以下、「(D)成分」ともいう。)を含んでもよい。
(D)成分は、重合性の不飽和二重結合含有基を有することが好ましく、架橋密度及び光感度の向上、現像後のパターンの膨潤の抑制のため、重合性の不飽和二重結合含有基を2~6つ有することが好ましく、2~4つ有することがさらに好ましい。(D)成分は、光重合開始剤により重合可能な(メタ)アクリル基を有する化合物であることが好ましい。
本発明の感光性樹脂組成物は、さらに熱重合開始剤(以下、「(E)成分」ともいう。)を含んでもよい。
(E)成分としては、感光性樹脂膜の成膜時に溶剤を除去するための加熱(乾燥)では分解せず、硬化時の加熱により分解してラジカルを発生し、(D)成分同士、又は(A)成分及び(D)成分の重合反応を促進する化合物が好ましい。そのため、(E)成分は、分解点が110℃以上200℃以下の化合物が好ましく、より低温で重合反応を促進する観点から、110℃以上175℃以下の化合物がより好ましい。
(E)成分としては、ビス(1-フェニル-1-メチルエチル)ペルオキシド等が挙げられる。
本発明の感光性樹脂組成物は、上記成分以外に、カップリング剤、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、現像後の加熱処理において、(A)成分と反応して架橋するか、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、得られる硬化膜と基板との接着性をより向上させることができる。
好ましいシランカップリング剤としては、ウレア結合(-NH-CO-NH-)を有する化合物が挙げられる。これにより、200℃以下の低温下で硬化を行った場合も、得られる硬化膜と基板との接着性をさらに高めることができる。
低温での硬化を行った際の接着性の発現に優れる点で、下記式(41)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。
R76-(CH2)q-CO-NH-(CH2)u-Si(OR77)3 (43)
(式(43)中、R76はヒドロキシ基又はグリシジル基であり、q及びuは、それぞれ独立に、1~3の整数であり、R77はメチル基、エチル基又はプロピル基である。)
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。
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。
防錆剤を用いる場合、防錆剤の含有量は、(A)成分100質量部に対して0.01~10質量部が好ましく、0.1~5質量部がより好ましく、0.5~3質量部がさらに好ましい。
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。
重合禁止剤としては、例えば、p-メトキシフェノール、ジフェニル-p-ベンゾキノン、ベンゾキノン、ハイドロキノン、ピロガロール、フェノチアジン、レゾルシノール、オルトジニトロベンゼン、パラジニトロベンゼン、メタジニトロベンゼン、フェナントラキノン、N-フェニル-2-ナフチルアミン、クペロン、2,5-トルキノン、タンニン酸、パラベンジルアミノフェノール、ニトロソアミン類等が挙げられる。
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、
(A)~(C)成分及び溶剤、
(A)~(D)成分及び溶剤、
(A)~(E)成分及び溶剤、又は
(A)~(C)成分、並びに、溶剤、(D)成分、(E)成分、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からなる群から選択される1以上の成分からなっていてもよい。
本発明の硬化膜は、上述の感光性樹脂組成物を硬化することで得ることができる。本発明の硬化膜は、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、(D)成分を含有する場合は、溶解コントラスト確保の観点から、(A)成分と(D)成分の反応を抑制するために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線等の紫外線、可視光線、放射線などが挙げられるが、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、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、γ-ブチロラクトン、α-アセチル-γ-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分間がより好ましく、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で、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、脱水閉環反応を起こし、対応するポリイミドとなってもよい。
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。
本発明の硬化膜は、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、各種電子デバイス等の電子部品など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、感光性樹脂層5を腐食するようなエッチング溶液を用いて感光性樹脂層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4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。
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)7.07gと2,2’-ジメチルビフェニル-4,4’-ジアミン(DMAP)4.12gとをNMP30gに溶解し、30℃で4時間撹拌し、その後室温下で一晩撹拌してポリアミド酸を得た。そこに水冷下で無水トリフルオロ酢酸を9.45g加え、45℃で3時間撹拌し、メタクリル酸2-ヒドロキシエチル(HEMA)7.08gを加えた。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を得た(以下、「ポリマーI」とする)。
GPC法を用いて、標準ポリスチレン換算により、以下の条件でポリマーIの数平均分子量を求めた。ポリマーIの数平均分子量は40,000であった。
数平均分子量は、0.5mgのポリマーIに対して溶剤[テトラヒドロフラン(THF)/ジメチルホルムアミド(DMF)=1/1(容積比)]1mLの溶液を用いて測定した。
ポンプ:株式会社日立製作所製L6000
データ処理機:株式会社島津製作所製C-R4A Chromatopac
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
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)
溶媒:ジメチルスルホキシド(DMSO)
ポリマーI:合成例1で得られたポリマーI
B1:N-ホルミルモルホリン
B2:プロピレンカーボネート
B3:3-メトキシ-N、N-ジメチルプロピオンアミド
B4:1,3-ジメチル-2-イミダゾリジノン
((B’)成分)
B5:γ-ブチロラクトン
B6:NMP
尚、(B’)成分とは、本発明で用いる(B)成分とは異なる成分を意味する。
C1:「IRGACURE OXE 02」(BASFジャパン株式会社製、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-(0-アセチルオキシム)、下記式で表される化合物)
D1:「A-DCP」(新中村化学工業株式会社製、トリシクロデカンジメタノールジアクリレート、下記式で表される化合物)
[感光性樹脂組成物の調製]
表1に示す成分及び配合量にて実施例1~3及び比較例1の感光性樹脂組成物を調製した。表1の配合量は、100質量部の(A)成分に対する各成分の質量部である。
得られた感光性樹脂組成物を、塗布装置「Act8」(東京エレクトロン株式会社製)を用いてシリコンウエハ上にスピンコートし、100℃で2分間乾燥後、110℃で2分間乾燥して乾燥膜厚が13μmの感光性樹脂膜を形成した。得られた感光性樹脂膜をシクロペンタノンに浸漬して完全に溶解するまでの時間の2倍を現像時間として設定した。
上記と同様に感光性樹脂膜を作製し、得られた感光性樹脂膜に、i線ステッパ「FPA-3000iW」(キヤノン株式会社製)を用いて、100~600mJ/cm2のi線を、50mJ/cm2刻みの照射量で所定のパターンに照射して露光を行った。露光後の樹脂膜を、「Act8」により、シクロペンタノンを用いて上記現像時間でパドル現像した後、プロピレングリコールモノメチルエーテルアセテート(PGMEA)でリンス洗浄を行い、パターン樹脂膜を得た。
得られたパターン樹脂膜の膜厚を露光前の感光性樹脂膜の膜厚で除し、百分率とすることで残膜率を算出した。残膜率80%以上のパターン樹脂膜を形成できる露光量を感度として評価した。
[感光性樹脂組成物の調製]
架橋剤((D)成分)の配合量を(A)成分100質量部に対して25質量部に変更し、(B)成分又は(B’)成分の種類と配合量を表2に示すように変更した他は実施例1と同じように感光性樹脂組成物を調製し、評価した。結果を表2に示す。
[感光性樹脂組成物の調製及び感度の評価]
表3に示す成分及び配合量にて実施例6及び7の感光性樹脂組成物を調製した。表3の配合量は、100質量部の(A)成分に対する各成分の質量部である。
得られた感光性樹脂組成物について、実施例1~3及び比較例1と同様に、パターン樹脂膜を得た。
得られたパターン樹脂膜について、実施例1~3及び比較例1と同様に、評価した。感度を表3に示す。
上述のパターン樹脂膜について、縦型拡散炉μ-TF(光洋サーモシステム株式会社製)を用いて、窒素雰囲気下、200℃で1時間加熱し、パターン硬化物(硬化後膜厚10μm)を得た。
上述のパターン硬化物について、目視にて、ウエハの中心の5cm角の外観を評価した。上述のパターン樹脂膜と比べて、変化しなかったもの又は30未満の気泡が発生したものをAとした。30以上の気泡が発生したものをBとした。結果を表3に示す。
得られたパターン硬化物を、4.9質量%フッ酸水溶液に浸漬して、10mm幅の硬化物をウエハから剥離した。
剥離した10mm幅の硬化物について、オートグラフAGS-X 100 N(株式会社島津製作所製)を用いて、引っ張り試験を行った。チャック間距離20mm、引張速度5mm/分、測定温度を18~25℃とし、各実施例の硬化物ごとに、3回測定し、平均値を求めた。
平均値が、30%以上の場合をAとし、30%未満の場合をBとした。
結果を表3に示す。
この明細書に記載の文献、及び本願のパリ条約による優先権の基礎となる出願の内容を全て援用する。
Claims (12)
- (A)重合性の不飽和結合を有するポリイミド前駆体と、
(B)下記式(1)~(4)で表される化合物のうち一以上と、
(C)下記式(11)で表される光重合開始剤と、
を含有する感光性樹脂組成物。
(式(1)~(4)中、R1、R2及びR8は、それぞれ独立に、炭素数1~4のアルキル基であり、R3~R7は、それぞれ独立に、水素原子又は炭素数1~4のアルキル基である。sは0~8の整数であり、tは0~4の整数であり、rは0~4の整数である。)
(式(11)中、R11は、炭素数1~12のアルキル基、炭素数1~12のアルコキシ基、炭素数4~10のシクロアルキル基、フェニル基又はトリル基であり、R12は、炭素数1~12のアルキル基、炭素数4~10のシクロアルキル基、フェニル基又はトリル基であり、R13は、置換若しくは無置換のベンゾイル基、置換若しくは無置換のフルオレニル基又は置換若しくは無置換のカルバゾリル基である。) - 前記(A)成分が、下記式(21)で表される構造単位を有するポリイミド前駆体である請求項1に記載の感光性樹脂組成物。
(式(21)中、X1は4価の芳香族基である。Y1は2価の芳香族基である。R21及びR22は、それぞれ独立に、水素原子、下記式(22)で表される基又は炭素数1~4の脂肪族炭化水素基であり、R21及びR22の少なくとも一方は下記式(22)で表される基である。-COOR21基と-CO-基とは、互いにオルト位置にあり、-COOR22基と-CONH-基とは、互いにオルト位置にある。)
(式(22)中、R23~R25は、それぞれ独立に、水素原子又は炭素数1~3の脂肪族炭化水素基である。mは1~10の整数である。) - 前記(B)成分として、少なくとも前記式(3)で表される化合物を含む請求項1又は2に記載の感光性樹脂組成物。
- 前記(B)成分を、前記(A)成分100質量部に対して10~10000質量部含む請求項1~3のいずれかに記載の感光性樹脂組成物。
- さらに(D)架橋剤を含む請求項1~4のいずれかに記載の感光性樹脂組成物。
- さらに(E)熱重合開始剤を含む請求項1~5のいずれかに記載の感光性樹脂組成物。
- 請求項1~6のいずれか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7に記載のパターン硬化膜の製造方法。
- 請求項1~6のいずれか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9に記載の硬化膜。
- 請求項9又は10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11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。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020207037747A KR102671323B1 (ko) | 2018-08-06 | 2019-08-05 | 감광성 수지 조성물, 패턴 경화막의 제조 방법, 경화막, 층간 절연막, 커버 코트층, 표면 보호막 및 전자 부품 |
| JP2020535765A JP7363789B2 (ja) | 2018-08-06 | 2019-08-05 | 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 |
| US17/266,317 US12386256B2 (en) | 2018-08-06 | 2019-08-05 | Photosensitive resin composition, method for producing patterned cured film, cured film, interlayer insulating film, cover coat layer, surface protective film, and electronic component |
| JP2023172290A JP7616311B2 (ja) | 2018-08-06 | 2023-10-03 | 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 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2018/029468 WO2020031240A1 (ja) | 2018-08-06 | 2018-08-06 | 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 |
| JPPCT/JP2018/029468 | 2018-08-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2020031976A1 true WO2020031976A1 (ja) | 2020-02-13 |
Family
ID=69414249
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2018/029468 Ceased WO2020031240A1 (ja) | 2018-08-06 | 2018-08-06 | 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 |
| PCT/JP2019/030771 Ceased WO2020031976A1 (ja) | 2018-08-06 | 2019-08-05 | 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 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2018/029468 Ceased WO2020031240A1 (ja) | 2018-08-06 | 2018-08-06 | 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 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US12386256B2 (ja) |
| JP (2) | JP7363789B2 (ja) |
| KR (1) | KR102671323B1 (ja) |
| TW (1) | TWI834702B (ja) |
| WO (2) | WO2020031240A1 (ja) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7409374B2 (ja) * | 2019-04-25 | 2024-01-09 | Jsr株式会社 | 感光性樹脂組成物 |
| WO2022137294A1 (ja) * | 2020-12-21 | 2022-06-30 | Hdマイクロシステムズ株式会社 | 感光性樹脂組成物、硬化物及び電子部品 |
| JP2023132964A (ja) * | 2022-03-11 | 2023-09-22 | Hdマイクロシステムズ株式会社 | 絶縁膜形成材料、半導体装置の製造方法及び半導体装置 |
| KR20220056159A (ko) | 2022-04-04 | 2022-05-04 | 김용원 | 물탱크 내의 스팀집 슈퍼히터에 전력공급한 스팀공급으로 스팀터빈을 구동하는 것과 슈퍼히터로 스팀을 공급하는 스팀청소기에 발전기들을 설치하는 것과 공기터빈의 흡입구들의 공기필터들 설치와 펠티에소자를 이용한 냉온 공기배출과 얼음제조기 시스템 |
| KR20220080053A (ko) | 2022-05-27 | 2022-06-14 | 김용원 | 다중 에어 레이어 튜브보트 |
| KR20230004349A (ko) | 2022-12-05 | 2023-01-06 | 김용원 | 선풍기에 설치하는 발전기 |
| KR20230047973A (ko) | 2023-03-21 | 2023-04-10 | 김용원 | 자전거에 발전기를 설치 |
| WO2025099883A1 (ja) * | 2023-11-08 | 2025-05-15 | Hd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、パターン硬化物、及び電子部品 |
| KR20230175138A (ko) | 2023-12-06 | 2023-12-29 | 김용원 | 자전거에 발전기를 설치(Install the generator ona bike)10-2023-0036696하고 자전거 뒷바퀴의 양측 보조 바퀴가 있는 뒤 짐받이에 찜기를 싣고 폭설, 빙판 녹이는 장치 |
| WO2025243483A1 (ja) * | 2024-05-23 | 2025-11-27 | Hdマイクロシステムズ株式会社 | 樹脂組成物、硬化物、硬化物の製造方法、及び電子部品 |
| KR20250009398A (ko) | 2024-12-30 | 2025-01-17 | 김용원 | 자전거 앞바퀴 부분 제설재 또는 모래살포기 : 자전거에 발전기를 설치(10-2023-0036696), 자전거 뒷바퀴의 양측 보조 바퀴가 있는 뒤 짐받이에 찜기를 싣고 폭설, 빙판 녹이는 장치(10-2023-0175944)와 같이 사용 |
| KR20250044828A (ko) | 2025-03-14 | 2025-04-01 | 김용원 | 양축 모터 구동으로 양축 모터 양축의 2공기 컴프레셔로 4바퀴 터빈을 구동시키는 4바퀴 터빈과 4바퀴 외주 면에 설치하는 발전기가 있는 구조도르래 |
| KR20250047667A (ko) | 2025-03-17 | 2025-04-04 | 김용원 | 9 필터가 있는 3 양축 모터 6 발전기 |
| KR20250070006A (ko) | 2025-04-23 | 2025-05-20 | 김용원 | 수륙양용 전동보드 |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004045491A (ja) * | 2002-07-09 | 2004-02-12 | Sumitomo Bakelite Co Ltd | ポジ型感光性樹脂の膜形成方法 |
| WO2012176694A1 (ja) * | 2011-06-24 | 2012-12-27 | 東京応化工業株式会社 | ネガ型感光性樹脂組成物、パターン形成方法、硬化膜、絶縁膜、カラーフィルタ、及び表示装置 |
| JP2015232688A (ja) * | 2014-05-15 | 2015-12-24 | Jsr株式会社 | 感放射線性樹脂組成物、絶縁膜及びその製造方法、並びに有機el素子 |
| JP2016069498A (ja) * | 2014-09-29 | 2016-05-09 | 旭化成イーマテリアルズ株式会社 | 樹脂組成物、硬化レリーフパターンの製造方法、及び半導体装置 |
| JP2016079340A (ja) * | 2014-10-21 | 2016-05-16 | 旭化成イーマテリアルズ株式会社 | 樹脂組成物、硬化レリーフパターンの製造方法、及び半導体装置 |
| WO2017038664A1 (ja) * | 2015-08-31 | 2017-03-09 | 富士フイルム株式会社 | 組成物、硬化膜、硬化膜の製造方法、半導体デバイスの製造方法および半導体デバイス |
| WO2018043467A1 (ja) * | 2016-08-31 | 2018-03-08 | 富士フイルム株式会社 | 樹脂組成物およびその応用 |
| JP2018084626A (ja) * | 2016-11-22 | 2018-05-31 | 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 |
Family Cites Families (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2626696B2 (ja) | 1988-04-11 | 1997-07-02 | チッソ株式会社 | 感光性重合体 |
| CN1205215C (zh) | 1998-10-29 | 2005-06-08 | 西巴特殊化学品控股有限公司 | 肟衍生物及其作为潜酸的用途 |
| NL1014545C2 (nl) | 1999-03-31 | 2002-02-26 | Ciba Sc Holding Ag | Oxim-derivaten en de toepassing daarvan als latente zuren. |
| EP1392675B1 (en) | 2001-06-01 | 2005-02-09 | Ciba SC Holding AG | Substituted oxime derivatives and the use thereof as latent acids |
| CN1668980B (zh) | 2002-07-11 | 2010-05-12 | 旭化成电子材料株式会社 | 高耐热性负型光敏树脂组合物 |
| JP4337481B2 (ja) | 2002-09-17 | 2009-09-30 | 東レ株式会社 | ネガ型感光性樹脂前駆体組成物およびそれを用いた電子部品ならびに表示装置 |
| JP3995253B2 (ja) | 2004-09-28 | 2007-10-24 | Tdk株式会社 | 感光性ポリイミドパターンの形成方法及び該パターンを有する電子素子 |
| JP2006193691A (ja) | 2005-01-17 | 2006-07-27 | Nippon Kayaku Co Ltd | 感光性ポリアミド酸及びこれを含有する感光性組成物 |
| US7977400B2 (en) | 2005-03-15 | 2011-07-12 | Toray Industries, Inc. | Photosensitive resin composition |
| JP2006342310A (ja) | 2005-06-10 | 2006-12-21 | Kaneka Corp | 新規ポリイミド前駆体およびその利用 |
| WO2007071497A1 (en) | 2005-12-20 | 2007-06-28 | Ciba Holding Inc. | Oxime ester photoinitiators |
| JP4761989B2 (ja) * | 2006-02-02 | 2011-08-31 | 旭化成イーマテリアルズ株式会社 | ポリアミド酸エステル組成物 |
| US8293436B2 (en) | 2006-02-24 | 2012-10-23 | Fujifilm Corporation | Oxime derivative, photopolymerizable composition, color filter, and process for producing the same |
| DE602008004757D1 (en) | 2007-05-11 | 2011-03-10 | Basf Se | Oximesther-fotoinitiatoren |
| JP5663826B2 (ja) | 2008-02-26 | 2015-02-04 | 日立化成株式会社 | 接着シート、接着剤層付半導体ウェハ、並びに半導体装置及びその製造方法 |
| JP5169446B2 (ja) | 2008-04-28 | 2013-03-27 | 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、該樹脂組成物を用いたポリベンゾオキサゾール膜、パターン硬化膜の製造方法及び電子部品 |
| JP2015127817A (ja) | 2009-04-14 | 2015-07-09 | 日立化成デュポンマイクロシステムズ株式会社 | 感光性樹脂組成物及びこれを用いた回路形成用基板 |
| JP4818458B2 (ja) | 2009-11-27 | 2011-11-16 | 株式会社Adeka | オキシムエステル化合物及び該化合物を含有する光重合開始剤 |
| PH12012502368A1 (en) | 2010-07-09 | 2022-03-30 | Toray Industries | Photosensitive adhesive composition, photosensitive adhesive film, and semiconductor device using each |
| JP2012198361A (ja) | 2011-03-22 | 2012-10-18 | Fujifilm Corp | 感光性組成物、感光性フィルム、永久パターン形成方法、永久パターン、及びプリント基板 |
| JP6085920B2 (ja) | 2012-09-10 | 2017-03-01 | 日立化成株式会社 | 感光性樹脂組成物、フィルム状接着剤、接着シート、接着剤パターン、接着剤層付半導体ウェハ及び半導体装置 |
| CN105190374A (zh) | 2013-03-14 | 2015-12-23 | 富士胶片株式会社 | 固体摄像元件及其制造方法、红外光截止滤波器形成用硬化性组合物、照相机模块 |
| CN105829968B (zh) | 2013-10-09 | 2020-03-27 | 日立化成杜邦微系统股份有限公司 | 包含聚酰亚胺前体的树脂组合物和使用其的固化膜的制造方法 |
| JP6549848B2 (ja) | 2014-01-17 | 2019-07-24 | 太陽インキ製造株式会社 | 積層構造体 |
| KR102301297B1 (ko) | 2014-02-19 | 2021-09-10 | 에이치디 마이크로시스템즈 가부시키가이샤 | 수지 조성물, 그에 따라 형성되는 경화막 및 패턴 경화막, 및 그들의 제조 방법 |
| JP6398364B2 (ja) | 2014-06-20 | 2018-10-03 | 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、パターン硬化膜の製造方法及び電子部品 |
| TWI671343B (zh) | 2014-06-27 | 2019-09-11 | 日商富士軟片股份有限公司 | 熱硬化性樹脂組成物、硬化膜、硬化膜的製造方法以及半導體裝置 |
| KR101910691B1 (ko) | 2014-12-26 | 2018-12-28 | 현대중공업 주식회사 | 평형수 서비스 전용 육상 설비 |
| JP2016200643A (ja) | 2015-04-07 | 2016-12-01 | 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、パターン硬化膜の製造方法及び電子部品 |
| JP2016199662A (ja) | 2015-04-09 | 2016-12-01 | 日立化成デュポンマイクロシステムズ株式会社 | ポリイミド前駆体を含む樹脂組成物、それを用いた硬化膜及びパターン硬化膜の製造方法、並びに電子部品 |
| KR102090451B1 (ko) | 2015-08-21 | 2020-03-18 | 아사히 가세이 가부시키가이샤 | 감광성 수지 조성물, 폴리이미드의 제조 방법 및 반도체 장치 |
| US10948821B2 (en) | 2016-03-28 | 2021-03-16 | Toray Industries, Inc. | Photosensitive resin composition |
| JP6271105B1 (ja) * | 2016-03-31 | 2018-01-31 | 旭化成株式会社 | 感光性樹脂組成物、硬化レリーフパターンの製造方法及び半導体装置 |
| JP7062953B2 (ja) * | 2016-08-29 | 2022-05-09 | 東レ株式会社 | 感光性樹脂組成物、硬化膜、有機el表示装置、半導体電子部品、半導体装置 |
| KR102380068B1 (ko) * | 2016-10-05 | 2022-03-31 | 도레이 카부시키가이샤 | 수지 조성물, 경화막, 반도체 장치 및 그들의 제조 방법 |
| KR102646304B1 (ko) * | 2017-02-23 | 2024-03-11 | 에이치디 마이크로시스템즈 가부시키가이샤 | 감광성 수지 조성물, 경화 패턴의 제조 방법, 경화물, 층간절연막, 커버 코트층, 표면 보호막, 및 전자부품 |
| 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 |
-
2018
- 2018-08-06 WO PCT/JP2018/029468 patent/WO2020031240A1/ja not_active Ceased
-
2019
- 2019-08-05 US US17/266,317 patent/US12386256B2/en active Active
- 2019-08-05 KR KR1020207037747A patent/KR102671323B1/ko active Active
- 2019-08-05 JP JP2020535765A patent/JP7363789B2/ja active Active
- 2019-08-05 WO PCT/JP2019/030771 patent/WO2020031976A1/ja not_active Ceased
- 2019-08-06 TW TW108127938A patent/TWI834702B/zh active
-
2023
- 2023-10-03 JP JP2023172290A patent/JP7616311B2/ja active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004045491A (ja) * | 2002-07-09 | 2004-02-12 | Sumitomo Bakelite Co Ltd | ポジ型感光性樹脂の膜形成方法 |
| WO2012176694A1 (ja) * | 2011-06-24 | 2012-12-27 | 東京応化工業株式会社 | ネガ型感光性樹脂組成物、パターン形成方法、硬化膜、絶縁膜、カラーフィルタ、及び表示装置 |
| JP2015232688A (ja) * | 2014-05-15 | 2015-12-24 | Jsr株式会社 | 感放射線性樹脂組成物、絶縁膜及びその製造方法、並びに有機el素子 |
| JP2016069498A (ja) * | 2014-09-29 | 2016-05-09 | 旭化成イーマテリアルズ株式会社 | 樹脂組成物、硬化レリーフパターンの製造方法、及び半導体装置 |
| JP2016079340A (ja) * | 2014-10-21 | 2016-05-16 | 旭化成イーマテリアルズ株式会社 | 樹脂組成物、硬化レリーフパターンの製造方法、及び半導体装置 |
| WO2017038664A1 (ja) * | 2015-08-31 | 2017-03-09 | 富士フイルム株式会社 | 組成物、硬化膜、硬化膜の製造方法、半導体デバイスの製造方法および半導体デバイス |
| WO2018043467A1 (ja) * | 2016-08-31 | 2018-03-08 | 富士フイルム株式会社 | 樹脂組成物およびその応用 |
| JP2018084626A (ja) * | 2016-11-22 | 2018-05-31 | 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| US12386256B2 (en) | 2025-08-12 |
| KR102671323B1 (ko) | 2024-06-03 |
| KR20210042049A (ko) | 2021-04-16 |
| JP2024001131A (ja) | 2024-01-09 |
| US20210311390A1 (en) | 2021-10-07 |
| JP7616311B2 (ja) | 2025-01-17 |
| TWI834702B (zh) | 2024-03-11 |
| JPWO2020031976A1 (ja) | 2021-09-24 |
| WO2020031240A1 (ja) | 2020-02-13 |
| JP7363789B2 (ja) | 2023-10-18 |
| TW202012503A (zh) | 2020-04-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102671323B1 (ko) | 감광성 수지 조성물, 패턴 경화막의 제조 방법, 경화막, 층간 절연막, 커버 코트층, 표면 보호막 및 전자 부품 | |
| JP7147749B2 (ja) | 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 | |
| TWI818094B (zh) | 感光性樹脂組成物、圖案硬化物的製造方法、硬化物、層間絕緣膜、覆蓋塗層、表面保護膜及電子零件 | |
| JP2018084626A (ja) | 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 | |
| JP2020056934A (ja) | パターン硬化膜の製造方法、感光性樹脂組成物、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 | |
| TWI816900B (zh) | 感光性樹脂組成物、圖案硬化物的製造方法、硬化物、層間絕緣膜、覆蓋塗層、表面保護膜及電子零件 | |
| WO2020070924A1 (ja) | 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 | |
| JP7543691B2 (ja) | 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 | |
| US20250362601A1 (en) | Photosensitive Resin Composition, Method Of Manufacturing Pattern Cured Film, Cured Film, Interlayer Insulating Film, Cover Coat Layer, Surface Protective Film, And Electronic Component | |
| JP7238316B2 (ja) | 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 | |
| WO2020071422A1 (ja) | 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 | |
| JPWO2018179330A1 (ja) | 感光性樹脂組成物、パターン硬化膜の製造方法、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 | |
| JP7318532B2 (ja) | 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 | |
| JP7243233B2 (ja) | 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 | |
| JP7225652B2 (ja) | 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 | |
| JP7009803B2 (ja) | 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 | |
| JP2019113582A (ja) | 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 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 19848550 Country of ref document: EP Kind code of ref document: A1 |
|
| ENP | Entry into the national phase |
Ref document number: 2020535765 Country of ref document: JP Kind code of ref document: A |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 19848550 Country of ref document: EP Kind code of ref document: A1 |
|
| WWG | Wipo information: grant in national office |
Ref document number: 17266317 Country of ref document: US |