WO2018079466A1 - 樹脂組成物、接着剤、封止材、ダム剤、半導体装置、およびイメージセンサーモジュール - Google Patents
樹脂組成物、接着剤、封止材、ダム剤、半導体装置、およびイメージセンサーモジュール Download PDFInfo
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- WO2018079466A1 WO2018079466A1 PCT/JP2017/038137 JP2017038137W WO2018079466A1 WO 2018079466 A1 WO2018079466 A1 WO 2018079466A1 JP 2017038137 W JP2017038137 W JP 2017038137W WO 2018079466 A1 WO2018079466 A1 WO 2018079466A1
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- resin composition
- component
- adhesive
- semiconductor device
- thiol
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- C08G59/68—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the catalysts used
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- C—CHEMISTRY; METALLURGY
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- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
- H01L23/31—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/206—Applications use in electrical or conductive gadgets use in coating or encapsulating of electronic parts
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2312/00—Crosslinking
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
- H01L23/29—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the material, e.g. carbon
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/14—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
- H01L27/144—Devices controlled by radiation
- H01L27/146—Imager structures
- H01L27/14601—Structural or functional details thereof
- H01L27/14618—Containers
Definitions
- This disclosure relates to a resin composition or the like that can be rapidly cured at a low temperature.
- Resin compositions that are capable of rapid curing at low temperatures and have excellent moisture resistance after curing are known.
- electronic components such as semiconductor chips in a semiconductor device are used by being bonded and sealed with a resin composition in order to maintain reliability and the like.
- these semiconductor devices in particular, when the manufacturing process of the image sensor module becomes high, the lenses used in the image sensor module are deteriorated. Therefore, low temperature curability is required for an adhesive and a sealing material used for manufacturing an image sensor module as an image sensor module application.
- short-time curability is also required.
- the usable time of the resin composition is long, that is, the pot life is long.
- members of recent image sensor modules include various materials such as glass, metal, or liquid crystal polymer (hereinafter referred to as LCP).
- LCP liquid crystal polymer
- an epoxy resin-thiol curing agent-based resin composition is effective in achieving low temperature rapid curability that has been recently demanded (Patent Documents 1 and 2).
- conventional thiol curing agents for example, pentaerythritol tetrakis (3-mercaptopropionate) manufactured by SC Organic Chemical (trade name: PEMP), trimethylolpropane tris (3-mercaptopropionate) manufactured by SC Organic Chemical ( (Trade name: TMMP) and pentaerythritol tetrakis (3-mercaptobutyrate) (trade name: Karenz MT PE1) manufactured by Showa Denko have the problem that the cured resin composition has poor moisture resistance. is doing. This is considered to be because all the conventional thiol-based curing agents include an ester structure in the molecular skeleton.
- JP-A-6-211969 Japanese Patent Laid-Open No. 6-21970
- the resin composition of the present disclosure has been completed in view of the above problems. That is, the purpose of the present disclosure is that it can be rapidly cured at low temperature, has high adhesive strength (particularly peel strength) after curing, and further suppresses a decrease in adhesive strength (particularly peel strength) after the moisture resistance test after curing.
- a resin composition having an excellent pot life ii) an adhesive, a sealing material and a dam agent using the resin composition, and iii) an adhesive, a sealing material or a dam agent.
- an image sensor module using the semiconductor device.
- the present inventors have intensively studied to solve the above problems.
- the combination of the epoxy resin and the specific thiol compound, and the use of a latent curing accelerator can be cured at low temperature and fast, have high adhesive strength (particularly peel strength), and after the moisture resistance test. A decrease in adhesive strength could be suppressed, and a resin composition having an excellent pot life could be obtained.
- the present disclosure relates to a resin composition, an adhesive, a sealing material, a dam agent, and a semiconductor device that have solved the above problems with the following configurations.
- A epoxy resin
- B Thiol compound represented by the following general formula (1)
- R 1 , R 2 , R 3 and R 4 are each independently hydrogen or C n H 2n SH, where n is 2 to 6.
- R 1 , R 2 , At least one of R 3 and R 4 is C n H 2n SH (where n is 2 to 6).)
- B a polyfunctional thiol compound other than (B)
- C a latent curing accelerator
- a resin composition comprising: [2] The resin composition according to [1] above, wherein the component (b) is a thiol compound having no ester bond. [3] The resin composition according to [1] or [2] above, wherein the component (b) is a thiol-substituted glycoluril derivative.
- a cured product of the resin composition according to [1] to [5], a cured product of the adhesive according to [6], a cured product of the sealing material according to [7], or the above [8] A semiconductor device comprising a cured product of the dam agent.
- At least two adherends formed of at least one material selected from the group consisting of engineering plastics, ceramics, and metals are bonded with a cured product of the adhesive described in [6] above.
- the semiconductor device according to [11] The semiconductor device according to [10], wherein the engineering plastic is a super engineering plastic.
- the adhesive strength is high (particularly peel strength) after curing, and the decrease in the adhesive strength (particularly peel strength) after the moisture resistance test after curing is suppressed.
- a resin composition having an excellent pot life can be provided.
- low temperature rapid curing is possible, the adhesive strength is high (particularly peel strength) after curing, and the decrease in adhesive strength (particularly peel strength) after the moisture resistance test after curing is suppressed.
- An adhesive can be obtained.
- low temperature rapid curing is possible, the adhesive strength is high (particularly peel strength) after curing, and the adhesive strength (particularly peel strength) is reduced after the moisture resistance test after curing.
- a sealing material that can be suppressed can be obtained.
- low temperature rapid curing is possible, the adhesive strength is high (particularly peel strength) after curing, and the adhesive strength (particularly peel strength) is lowered after the moisture resistance test after curing.
- the dam agent which can be suppressed can be obtained.
- a highly reliable semiconductor device such as an image sensor module, can be obtained by using a cured resin composition, adhesive, sealant, or dam agent that can be suppressed.
- resin composition The resin composition of the present embodiment (hereinafter referred to as a resin composition)
- R 1 , R 2 , R 3 and R 4 are each independently hydrogen or C n H 2n SH, where n is 2 to 6.
- R 1 , R 2 , At least one of R 3 and R 4 is C n H 2n SH (where n is 2 to 6).)
- B a polyfunctional thiol compound other than the component (B)
- C a latent curing accelerator, Containing.
- Examples of the epoxy resin as component (A) include liquid bisphenol A type epoxy resin, liquid bisphenol F type epoxy resin, liquid naphthalene type epoxy resin, liquid hydrogenated bisphenol type epoxy resin, liquid alicyclic epoxy resin, and liquid alcohol.
- Examples include ether type epoxy resins, liquid cycloaliphatic type epoxy resins, liquid fluorene type epoxy resins, and liquid siloxane type epoxy resins.
- a liquid bisphenol A type epoxy resin, a liquid bisphenol F type epoxy resin, a liquid siloxane type epoxy resin, and an aminophenol type epoxy resin are preferable from the viewpoints of curability, heat resistance, adhesiveness, and durability.
- the epoxy equivalent is preferably 80 to 1000 g / eq, more preferably 80 to 500 g / eq from the viewpoints of curability and cured product elastic modulus.
- Examples of commercially available products include Nippon Steel & Sumikin Chemical's bisphenol F type epoxy resin (product name: YDF8170), DIC's bisphenol A type epoxy resin (product name: EXA-850CRP), DIC's bisphenol A type bisphenol F type mixed epoxy resin (product name) : EXA-835LV), DIC naphthalene type epoxy resin (product name: HP4032D), Shin-Etsu Chemical siloxane epoxy resin (product name: TSL9906), Mitsubishi Chemical aminophenol type epoxy resin (grade: JER630, JER630LSD), and Asahi Kasei Special epoxy resin (grade: AER9000) is mentioned.
- As the component (A) a single resin may be used, or two or more resins may be used in combination.
- R 1 , R 2 , R 3 and R 4 are each independently hydrogen or C n H 2n SH (n is 2 to 6) R 1 , R 2 , R 3 , and R At least one of 4 is represented by C n H 2n SH (n is 2 to 6).
- n is preferably 2 to 4 from the viewpoint of curability. Further, n is preferably 3 from the viewpoint of the balance between the physical properties of the cured product and the curing rate. That is, the component (B) preferably has a mercaptopropyl group.
- the component (B) may be a mixture of a plurality of thiol compounds having different numbers of mercaptoalkyl groups.
- the component (B) is preferably a thiol compound having 2 to 4 mercaptopropyl groups from the viewpoint of curability. Furthermore, from the viewpoint of the balance between the physical properties of the cured product and the curing rate, the component (B) is most preferably a thiol compound having three mercaptopropyl groups.
- This component (B) itself has a sufficiently flexible skeleton. Therefore, the elastic modulus of the cured product can be effectively reduced. By adding the component (B), the elastic modulus of the cured product can be controlled. Therefore, the adhesive strength (particularly peel strength) after curing can be increased.
- the component (B) does not have an ester skeleton in the molecule.
- (B) component pentaerythritol tetrakis (3-mercaptopropionate), trimethylolpropane tris (3-mercaptopropionate), dipentaerythritol hexakis (3-mercaptopropionate) conventionally used as thiol compounds
- pentaerythritol tetrakis (3-mercaptobutyrate) both contain ester linkages. This ester bond is easily hydrolyzed. Therefore, these conventional thiol compounds are considered to be inferior in moisture resistance.
- the component (B) does not contain an ester bond and has an ether bond. Therefore, it is considered that the component (B) is more flexible and has high hydrolysis resistance. Furthermore, since the component (B) has a lower polarity, the viscosity is considered to be low.
- SC organic chemistry thiol compound Product name: PEPT, thiol equivalent: 124 g / eq
- a single thiol compound may be used, or two or more thiol compounds may be used in combination.
- component has a low viscosity compared with another thiol compound from the structure as mentioned above.
- the imidazole and tertiary amine that can be contained in the component (C) have an amino group.
- the reaction between the amino group and the thiol group in the resin composition is the starting point, and polymerization of the component (A) and the component (B) is started.
- Component (C) as the latent curing accelerator is designed so that the reaction of amino groups hardly occurs at room temperature.
- the component (B) easily penetrates into the component (C) because of its low viscosity. As a result, the component (B) and the component (C) are likely to react. Therefore, the pot life of the resin composition is shortened. Therefore, in this embodiment, the pot life is improved by using the component (B) and a thiol compound (component (b)) other than the component (B) in combination.
- the polyfunctional thiol compound of the component is a thiol compound other than the component (B).
- the (b) component polyfunctional thiol compound include (b1) a thiol compound having no ester bond and (b2) a thiol compound having an ester bond.
- the amount of the component (B) is preferably 5 from the viewpoint of peel strength (after the initial and moisture resistance test) and pot life improvement with respect to 100 parts by mass of the total amount of the thiol compounds of the component (B) and the component (b). ⁇ 80 parts by mass. If the weight of component (B) is less than 5 parts by mass, the elastic modulus of the cured product will increase, and the desired peel strength may not be obtained. When the weight of the component (B) is 80 parts by mass or more, the pot life of the resin composition may be shortened.
- the molecular weight of the component (b) is preferably 300 to 1000 from the viewpoint of reducing the viscosity.
- Examples of the component (b1) include thiol-substituted glycoluril derivatives.
- Examples of thiol-substituted glycoluril derivatives include the following general formula (2)
- R 5 and R 6 are each independently hydrogen, an alkyl group having 1 to 10 carbon atoms, or a phenyl group.
- N is an integer of 0 to 10). Examples thereof include nitrogen-containing heterocyclic compounds.
- component (b1) examples include thiol-substituted glycoluril derivatives (trade names: TS-G (thiol equivalent: 100 g / eq), C3TS-G (thiol equivalent: 114 g / eq)) manufactured by Shikoku Kasei Kogyo. Can be mentioned.
- TS-G thiol equivalent: 100 g / eq
- C3TS-G 114 g / eq
- the weight ratio of the component (B) to the component (b1) is preferably 5:95 to 80:20, more preferably 20:80 to 80:20.
- the elastic modulus after curing can be adjusted while maintaining the moisture resistance.
- the adhesive strength peel strength
- the usage-amount of (B) component in a resin composition can be reduced by use of (b1) component. Therefore, pot life can be improved.
- component (b2) examples include pentaerythritol tetrakis (3-mercaptopropionate), trimethylolpropane tris (3-mercaptopropionate), dipentaerythritol hexakis (3-mercaptopropionate), pentaerythritol.
- the weight ratio of the component (b2) to the component (b2) is as follows. Preferably, it is 33:67 to 80:20.
- the weight of the component (b2) is preferably 5 when the total amount of the component (B) and the component (b1) is 100 parts by mass. 3 parts by mass or more and 200 parts by mass or less, more preferably 5.3 parts by mass or more and 100 parts by mass or less.
- the latent curing accelerator of component (C) is a compound that is in an inactive state at room temperature and that is activated by heating and functions as a curing accelerator.
- the component (C) include solid-dispersed amine adduct latent curing accelerators such as imidazole compounds that are solid at room temperature, reaction products of amine compounds and epoxy compounds (amine-epoxy adduct systems), and amines.
- the reaction product (urea type adduct system) of a compound and an isocyanate compound or a urea compound is mentioned.
- the component (C) can be combined with the component (B) and the component (b) to cure the adhesive at a low temperature and speed.
- epoxy compounds used as one of the raw materials for producing solid dispersion type amine adduct type latent curing accelerators include polyphenols such as bisphenol A, bisphenol F, catechol or resorcinol And polyglycidyl ether obtained by reacting epichlorohydrin, and polyglycidyl ether obtained by reacting a polyhydric alcohol such as glycerin or polyethylene glycol with epichlorohydrin.
- glycidyl ether esters obtained by reacting a hydroxycarboxylic acid such as p-hydroxybenzoic acid or ⁇ -hydroxynaphthoic acid with epichlorohydrin, such as phthalic acid or terephthalic acid. Reacts polyglycidyl ester obtained by reacting polycarboxylic acid with epichlorohydrin, and amine compounds such as 4,4'-diaminodiphenylmethane or m-aminophenol with epichlorohydrin The glycidylamine compound obtained by making it contain is mentioned.
- polyfunctional epoxy compounds such as epoxidized phenol novolak resins, epoxidized cresol novolac resins, or epoxidized polyolefins, and monofunctional such as butyl glycidyl ether, phenyl glycidyl ether, or glycidyl methacrylate.
- An epoxy compound is not limited to these compounds.
- the amine compound used as another raw material for producing the solid dispersion type amine adduct-based latent curing accelerator has at least one active hydrogen in the molecule capable of undergoing addition reaction with an epoxy group, and a primary amino group, Any compound having at least one functional group selected from a secondary amino group and a tertiary amino group in the molecule may be used. Examples of such amine compounds are shown below. However, the amine compound is not limited to these compounds.
- Examples include aliphatic amines such as diethylenetriamine, triethylenetetramine, n-propylamine, 2-hydroxyethylaminopropylamine, cyclohexylamine, and 4,4'-diamino-dicyclohexylmethane, 4,4'- Aromatic amine compounds such as diaminodiphenylmethane or 2-methylaniline, and 2-ethyl-4-methylimidazole, 2-ethyl-4-methylimidazoline, 2,4-dimethylimidazoline, piperidine, or piperazine, The heterocyclic compound containing a nitrogen atom is mentioned. However, the amine compound is not limited to these compounds.
- a compound having a tertiary amino group in the molecule is a raw material that provides a latent curing accelerator having excellent curing acceleration ability.
- examples of such compounds include amine compounds such as dimethylaminopropylamine, diethylaminopropylamine, di-n-propylaminopropylamine, dibutylaminopropylamine, dimethylaminoethylamine, diethylaminoethylamine, or N-methylpiperazine, And primary or secondary having a tertiary amino group in the molecule, such as imidazole compounds such as 2-methylimidazole, 2-ethylimidazole, 2-ethyl-4-methylimidazole, or 2-phenylimidazole.
- Examples include amines.
- Other examples include 2-dimethylaminoethanol, 1-methyl-2-dimethylaminoethanol, 1-phenoxymethyl-2-dimethylaminoethanol, 2-diethylaminoethanol, 1-butoxymethyl-2-dimethylaminoethanol, 1- (2-hydroxy-3-phenoxypropyl) -2-methylimidazole, 1- (2-hydroxy-3-phenoxypropyl) -2-ethyl-4-methylimidazole, 1- (2-hydroxy-3-butoxy Propyl) -2-methylimidazole, 1- (2-hydroxy-3-butoxypropyl) -2-ethyl-4-methylimidazole, 1- (2-hydroxy-3-phenoxypropyl) -2-phenylimidazoline, 1- (2-Hydroxy-3-butoxypropyl) -2-methylimi Zoline, 2- (dimethylaminomethyl) phenol, 2,4,6-tris (dimethylaminomethyl) phenol, N- ⁇ -hydroxyethylmorpho
- Examples of the isocyanate compound used as another raw material of the solid dispersion type amine adduct-based latent curing accelerator include monofunctional isocyanates such as n-butyl isocyanate, isopropyl isocyanate, phenyl isocyanate, or benzyl isocyanate.
- Examples of such a terminal isocyanate group-containing compound include an addition compound having a terminal isocyanate group obtained by a reaction between toluylene diisocyanate and trimethylolpropane, and a reaction between toluylene diisocyanate and pentaerythritol.
- the addition compound which has a terminal isocyanate group obtained by is mentioned.
- the terminal isocyanate group-containing compound is not limited to these compounds.
- urea compounds include urea and thiourea.
- the urea compound is not limited to these compounds.
- the solid dispersion type latent curing accelerator that can be used in the present embodiment can be easily prepared as follows, for example. Two components of the amine compound and the epoxy compound, three components of the two components and an active hydrogen compound, or two components or a combination of three components of the amine compound and an isocyanate compound and / or a urea compound are formed. Each collected component is mixed. These components react at temperatures from room temperature to 200 ° C. Thereafter, the cooled and solidified reactant is pulverized. Alternatively, the above components react in a solvent such as methyl ethyl ketone, dioxane, or tetrahydrofuran. And after a solvent removal, the solid content is grind
- urea type adduct system examples include “Fujicure FXE-1000” (trade name of T & K TOKA Co., Ltd.), “Fujicure FXR-1030” (trade name of T & K TOKA Corp.), and the like.
- the said commercial item is not limited to these.
- the component (C) a single substance may be used, or two or more kinds of substances may be used in combination.
- the latent curing accelerator (C) is preferably a solid dispersion type amine adduct latent curing accelerator from the viewpoint of pot life and curability.
- the resin composition preferably has a ratio of thiol functional group equivalent to epoxy functional group equivalent (functional group equivalent ratio), [thiol functional group equivalent] / [epoxy functional group equivalent] of 0.5 to 2.0. is there.
- the thiol functional group equivalent means the number of all thiol groups in the resin composition.
- an epoxy functional group equivalent means the number of all the epoxy groups in a resin composition.
- the thiol functional group equivalent is a numerical value obtained by dividing the weight of each thiol compound in the resin composition by each thiol equivalent.
- the thiol equivalent is a numerical value obtained by dividing the molecular weight of the thiol compound by the number of thiol groups in one molecule.
- the actual thiol equivalent can be determined, for example, by determining the thiol number by potentiometric measurement.
- the epoxy functional group equivalent is a numerical value obtained by dividing the weight of each epoxy resin in the resin composition by each epoxy equivalent.
- the epoxy equivalent is a numerical value obtained by dividing the molecular weight of the epoxy resin by the number of epoxy groups in one molecule.
- the content of the component (A) is preferably 10 to 90 parts by mass with respect to 100 parts by mass of the resin composition from the viewpoint of the physical properties of the cured product of the resin composition.
- the component (C) is preferably 0.1 to 40 parts by mass, more preferably 1 to 40 parts by mass with respect to 100 parts by mass of the resin composition from the viewpoint of the curing speed and pot life of the resin composition.
- the resin composition of the present disclosure preferably further includes (D) a silane coupling agent from the viewpoint of adhesive strength after a moisture resistance test after the resin composition is cured.
- component (D) are 3-glycidoxypropyltrimethoxysilane, 3-aminopropyltrimethoxysilane, vinyltrimethoxysilane, 3-triethoxysilyl-N- (1,3-dimethyl-butylidene) propyl Amine, p-styryltrimethoxysilane, 3-methacryloxypropylmethyltrimethoxysilane, 3-acryloxypropyltrimethoxysilane, 3-ureidopropyltriethoxysilane, 3-mercaptopropyltrimethoxysilane, bis (triethoxysilylpropyl) ) Tetrasulfide, and 3-isocyanatopropyltriethoxysilane.
- 3-glycidoxypropyltrimethoxysilane, 3-aminopropyltrimethoxysilane, and 3-triethoxysilyl-N- (1,3-dimethyl-butylidene) propylamine are preferable.
- Examples of commercially available products include 3-glycidoxypropyltrimethoxysilane (product name: KBM403) manufactured by Shin-Etsu Chemical Co., Ltd., 3-mercaptopropyltrimethoxysilane (product name: KBM803) manufactured by Shin-Etsu Chemical Co., Ltd., and 3-aminopropyltriethoxysilane.
- the content of the component (D) is preferably 0.1 to 5 parts by mass with respect to 100 parts by mass of the resin composition from the viewpoint of the adhesive strength after curing of the resin composition and the adhesive strength after the moisture resistance test. is there.
- carbon black, titanium black, silica filler, alumina filler, talc filler, calcium carbonate filler, polytetrafluoroethylene (PTFE) filler are further added as necessary within the range not impairing the object of the present embodiment.
- Additives such as ion trapping agents, leveling agents, antioxidants, antifoaming agents, or thixotropic agents can be added.
- the resin composition is, for example, stirred or melted with (A) component, (B) component, (b) component, (C) component, and other additives, simultaneously or separately, with heat treatment as necessary. , Mixing, and dispersing.
- the apparatus for mixing, stirring, and dispersing is not particularly limited. A lykai machine equipped with a stirring device and a heating device, a Henschel mixer, a three-roll mill, a ball mill, a planetary mixer, a bead mill, or the like can be used. These devices may be used in combination as appropriate.
- the resin composition thus obtained is thermosetting.
- the resin composition can be cured at 80 ° C., preferably 5 hours, more preferably 1 hour. Curing here means that the peel strength of the cured resin composition is 0.1 N / mm or more.
- the heat curing conditions of the resin composition are preferably 60 to 90 ° C. and 30 to 120 minutes from the viewpoint of low temperature rapid curing when used for an image sensor module.
- the resin composition of the present disclosure can be used, for example, as an adhesive, a sealing material, a dam agent, or a raw material for joining parts together.
- An adhesive and a sealing material for electronic components may be required to be injected into a narrow portion.
- the resin composition of the present disclosure is suitable for these applications because it can be reduced in viscosity.
- the resin composition of this indication is excellent in the pot life.
- the dam agent is formed in advance on the outer periphery of the substrate, for example, before sealing a plurality of semiconductor chips on the substrate with a low-viscosity underfill agent or the like. By forming this dam agent, it is possible to prevent the low-viscosity underfill agent from sealing off a plurality of subsequent semiconductor chips.
- the adhesive agent containing the resin composition of this indication enables favorable joining also to engineering plastics, ceramics, and a metal.
- the adherend is formed from at least one material selected from the group consisting of engineering plastics, ceramics, and metals.
- the engineering plastic hereinafter referred to as engineering plastic (EP)
- EP engineering plastic
- the engineering plastic is a plastic having a tensile strength of 49 MPa or more and a flexural modulus of 2.5 GPa or more even when exposed to an environment of 100 ° C. for 100 hours.
- the engineering plastic both a thermoplastic engineering plastic and a thermosetting engineering plastic can be used.
- thermoplastic engineering plastics include polyacetal, polyamide (PA), polycarbonate (PC), modified polyphenylene ether, polybutylene terephthalate, glass fiber (GF) reinforced polyethylene terephthalate, ultra high molecular weight polyethylene, and syndiotactic polystyrene. It is done.
- thermosetting engineering plastics include epoxy, glass epoxy (FR-4), phenol, and silicone.
- a super engineering plastic refers to an engineering plastic having a tensile strength of 49 MPa or more and a flexural modulus of 2.5 GPa or more even when exposed to an environment of 150 ° C. for 100 hours.
- super engineering plastics include amorphous polyarylate, polysulfone, polyethersulfone, polyphenylene sulfide, polyetheretherketone, polyimide (PI), polyetherimide, polyamideimide (PAI), fluororesin, and liquid crystal polymer (LCP).
- the engineering plastic is preferably a group consisting of LCP, polycarbonate (PC), polyimide (PI), polyamide (PA), polyamideimide (PAI), and epoxy resin from the viewpoint of heat resistance, dimensional stability, and electrical insulation. It is at least one selected from more.
- Ceramics include alumina (Al 2 O 3 ), aluminum nitride (AlN), silicon carbide (SiC), boron nitride (BN), silicon nitride (SiN), and glass. From the viewpoints of thermal conductivity, thermal expansion coefficient, and chemical durability, alumina and silicon nitride are preferred.
- metals include stainless steel, titanium and alloys thereof, nickel and alloys thereof, copper and alloys thereof, tin and alloys thereof, aluminum and alloys thereof, and solder. From the viewpoint of chemical stability such as oxidation resistance, stainless steel, nickel and alloys thereof are preferable.
- ceramics are preferably used as a substrate of an image sensor module having an image sensor.
- the engineering plastic is preferably used as a VCM (Voice Coil Motor) of an image sensor module having optical components.
- FIG. 1 shows an example of a cross-sectional view of an image sensor module.
- the image sensor module 1 shown in FIG. 1 is irradiated with light traveling from the upper part to the lower part. This light passes from the optical lens 40 through the optical filter (infrared (IR) filter) 50, reaches the image sensor 30 on the substrate 20, and is converted into an electrical signal by the image sensor 30.
- the optical lens 40 is fixed by a lens barrel 60.
- a lens barrel 60 fixed to a VCM (Voice Coil Motor) 70 moves up and down by the VCM 70. In this way, focus adjustment to the image sensor 30 is performed.
- VCM Vehicle Coil Motor
- the adhesive used in the semiconductor device of the present invention can be used for all adhesions between the substrate 20 and the VCM 70, between the VCM 70 and the lens barrel 60, and between the VCM 70 and the optical filter 50.
- the material used for the substrate 20 include “engineering plastics such as polyimide and ceramics such as alumina”.
- Examples of the material used for the lens barrel 60 include engineering plastics such as LCP.
- the adhesive used in the semiconductor device of the present invention particularly has excellent “adhesive strength after a moisture resistance test”. Therefore, this adhesive is suitable for bonding these materials.
- Conventional adhesives using thiol-based curing agents have a problem that the adhesive strength deteriorates after a long-time moisture resistance test because the adhesive strength is significantly reduced after the moisture resistance test.
- Resin compositions were prepared using a three-roll mill with the formulations shown in Tables 1 and 2.
- Tables 1 and 2 as the component (B ′), the above (b2) is exemplified.
- the components (B ′′) and (B ′′ ′′) the above (b1) is exemplified.
- (C) contained an epoxy resin
- the epoxy functional group equivalent contained in (C) was calculated
- the viscosity of the resin composition was 10 rpm using an E-type viscometer (model number: TVE-22H, rotor name: 1 ° 34 ′ ⁇ R24) manufactured by Toki Sangyo Co., Ltd. Measurements were taken at the appropriate preset measurement range (H, R, or U). The viscosity is preferably as low as possible from the viewpoint of injectability. Tables 1 and 2 show the measurement results.
- the initial viscosity (Pa ⁇ s) of the prepared resin composition was 10 rpm, 25 ° C. using an E-type viscometer (model number: TVE-22H, rotor name: 1 ° 34 ′ ⁇ R24) manufactured by Toki Sangyo Co., Ltd. Measured in Next, a part of the resin composition stored in the sealed container in an environment of 25 ° C. and humidity 50% was taken out from the sealed container every 1 hour. And the viscosity of the taken-out resin composition was measured. The elapsed time from the time when the initial viscosity was measured to the time when a viscosity twice the initial viscosity was measured was defined as pot life (hr). The pot life is preferably 3 hours or longer. Tables 1 and 2 show the results.
- the test piece for peel strength measurement was obtained. Thereafter, the upper base material of the test piece was held at room temperature by a peel tester (a load measuring device LTS-500N-S100 manufactured by Minebea Co., Ltd. and a 90 ° peeling jig). Thereafter, one end of the cured product was slightly peeled off, and then the substrate was peeled from the test piece at a 90 ° angle and a lifting speed of 50 mm / min up to a lifting distance of 15 mm. At this time, the test piece moved horizontally by the same distance as the lifting distance so as to follow the peeling operation. The average value of the measured values when the lifting distance was 5 to 15 mm was defined as the initial peel strength.
- the peel strength after the moisture resistance test was also obtained by the following method.
- the test piece for measuring the peel strength was left in a constant temperature and humidity chamber for 500 hours under the conditions of a temperature of 85 ° C. and a humidity of 85%. It was confirmed that the temperature of the test piece taken out from the thermostatic chamber was the same as the room temperature within 1 hour.
- the peel strength determined by the same measurement method as described above was defined as the peel strength after the moisture resistance test.
- the initial peel strength and the peel strength after the moisture resistance test are preferably 0.1 N / mm or more, more preferably 1 N / mm or more. Tables 1 and 2 show the measurement results (unit: N / mm).
- test piece having openings at both ends and having a space of height (H) 0.1 mm ⁇ width (W) 10 mm ⁇ length (L) 20 mm was produced. Then, one opening part of the test piece was apply
- the resin composition after being cured at 80 ° C. ⁇ 60 minutes which is a low temperature fast curing condition, has a high initial peel strength and a peel after a high moisture resistance test. It had strength and excellent pot life.
- the reason why the peel strength after the moisture resistance test is higher than the initial peel strength is considered to be that the elastic modulus of the cured product has decreased due to swelling of the cured product in a moisture resistance test environment.
- the pot life of the resin composition of Comparative Example 1 containing only the component (B) as the polyfunctional thiol compound was short.
- Comparative Example 2 Since the resin composition of Comparative Example 2 containing only the thiol compound to be hydrolyzed as a polyfunctional thiol compound was liquefied after the moisture resistance test, it was judged to be unsuitable for bonding applications. Therefore, the peel strength measurement of Comparative Example 2 was not performed (denoted as NG in Table 2). The initial peel strengths of Comparative Examples 3 and 4 containing only the component (b1) having no ester bond as the polyfunctional thiol compound were expressed as 0 because measurement was impossible. And the moisture resistance test of Comparative Examples 3 and 4 was not performed. The resin composition of Comparative Example 5 containing a curing catalyst that is not a latent curing accelerator instead of the component (C) was cured during sample preparation. Therefore, each evaluation of Comparative Example 5 could not be performed.
- Adhesive strength test of different materials Selected materials (SUS-304 smooth plate, alumina, LCP (liquid crystal polymer), PC (polycarbonate), PI (polyimide), PA (polyamide), FR-4 (glass epoxy), PE in the combinations shown in Table 3
- a substrate made of (polyethylene) and PP (polypropylene) was applied with the adhesive of Example 6 or the adhesive of Comparative Example 2 as a lower adherend.
- an upper substrate SUS-304 ribbon (width 5 mm, thickness 20 ⁇ m, length 50 mm)
- the adhesive of the test piece was thermally cured.
- LCP, PC, PI, PA, and FR-4 are engineering plastics. Among these, LCP and PI are super engineering plastics.
- the initial peel strength of the prepared test piece and the peel strength after the moisture resistance test were measured by the method described above.
- the test piece adhesive having a peel strength of 0.1 N / mm or more was evaluated as “Good”.
- the test piece adhesive having a peel strength of less than 0.1 N / mm was evaluated as “Bad”.
- the adhesive determined to be unsuitable for an adhesive use was also evaluated as "Bad”. Table 3 shows the results.
- the adhesive of Example 6 was a SUS, alumina, and engineering plastic specimen and had high peel strength.
- the adhesive of Comparative Example 2 was liquefied after the moisture resistance test in all of the test pieces of SUS, alumina, engineering plastic, PE, and PP, it was determined that the adhesive was not suitable for bonding applications.
- the adhesive of Example 6 also had a low peel strength in the PE and PP test pieces.
- the resin composition of the present disclosure may be the following first to fifth resin compositions.
- the first resin composition comprises (A) an epoxy resin, (B) a thiol compound represented by the following general formula (1) Wherein R 1 , R 2 , R 3 and R 4 are each independently hydrogen, C n H 2n SH (wherein n is 2-6 ), and R 1 , R 2 , R 3 and R 4 are C n H 2n SH (wherein n is 2 to 6), (b) a polyfunctional thiol compound other than (B), (C) It contains a latent curing accelerator.
- the second resin composition is the first resin composition, wherein the component (b) is a thiol compound having no ester bond.
- the third resin composition is the first or second resin composition, wherein the component (b) is a thiol-substituted glycoluril derivative.
- the fourth resin composition is any one of the first to third components, wherein the component (B) is 5 to 80 parts by mass with respect to 100 parts by mass in total of the thiol compounds of the component (B) and the component (b). This resin composition.
- the fifth resin composition is any one of the first to fourth resin compositions that can be cured at 80 ° C. for 1 hour.
- the adhesive of the present disclosure may include any one of the first to fifth resin compositions.
- the sealing material of the present disclosure may include any one of the first to fifth resin compositions.
- the dam agent of the present disclosure may include any one of the first to fifth resin compositions.
- the semiconductor device of the present disclosure may be the following first to fourth semiconductor devices.
- the first semiconductor device includes a cured product of the first to fifth resin compositions, a cured product of the adhesive, a cured product of the sealing material, or a cured product of the dam agent.
- the second semiconductor device at least two adherends formed of at least one material selected from the group consisting of engineering plastics, ceramics, and metals are bonded with a cured product of the adhesive.
- the first semiconductor device is characterized in that the first semiconductor device is provided.
- the third adhesive is the second semiconductor device, wherein the engineering plastic is a super engineering plastic.
- the engineering plastic is at least one selected from the group consisting of a liquid crystal polymer, polycarbonate, polyimide, polyamide, polyamideimide, polyetherimide, and epoxy resin. It is a semiconductor device.
- the image sensor module of the present disclosure may include any one of the first to fourth semiconductor devices.
- the resin composition of the present disclosure is capable of rapid curing at low temperature, has high adhesive strength (particularly peel strength) after curing, and decreases the adhesive strength (particularly peel strength) after the moisture resistance test of the cured resin composition. In addition, it has an excellent pot life. Therefore, this resin composition is very useful particularly as an adhesive, a sealing material, and a dam agent.
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Abstract
Description
〔1〕(A)エポキシ樹脂、
(B)下記一般式(1)で表されるチオール化合物
(b)前記(B)以外の多官能チオール化合物、
(C)潜在性硬化促進剤、
を含有することを特徴とする、樹脂組成物。
〔2〕(b)成分が、エステル結合を有しないチオール化合物である、上記〔1〕記載の樹脂組成物。
〔3〕(b)成分が、チオール置換グリコールウリル誘導体である、上記〔1〕または〔2〕記載の樹脂組成物。
〔4〕(B)成分及び(b)成分のチオール化合物の合計量100質量部に対する、(B)成分の量が5~80質量部である、上記〔1〕~〔3〕のいずれか記載の樹脂組成物。
〔5〕80℃、1時間で硬化可能な上記〔1〕~〔4〕のいずれか記載の樹脂組成物。
〔6〕上記〔1〕~〔5〕のいずれか記載の樹脂組成物を含む、接着剤。
〔7〕上記〔1〕~〔5〕のいずれか記載の樹脂組成物を含む、封止材。
〔8〕上記〔1〕~〔5〕のいずれか記載の樹脂組成物を含む、ダム剤。
〔9〕上記〔1〕~〔5〕記載の樹脂組成物の硬化物、上記〔6〕記載の接着剤の硬化物、上記〔7〕記載の封止材の硬化物、または上記〔8〕記載のダム剤の硬化物を含む、半導体装置。
〔10〕エンジニアリングプラスチック、セラミックス、および金属からなる群より選択される少なくとも1種の材料により形成される少なくとも2個の被着材が、上記〔6〕記載の接着剤の硬化物で接着されている、上記〔9〕記載の半導体装置。
〔11〕エンジアリングプラスチックが、スーパーエンジニアリングプラスチックである、上記〔10〕記載の半導体装置。
〔12〕エンジニアリングプラスチックが、液晶ポリマー、ポリカーボネート、ポリイミド、ポリアミド、ポリアミドイミド、ポリエーテルイミド、およびエポキシ樹脂からなる群より選択される少なくとも1種である、上記〔10〕または〔11〕記載の半導体装置。
〔13〕上記〔9〕~〔12〕のいずれか1項記載の半導体装置を含む、イメージセンサーモジュール。
本実施形態の樹脂組成物(以下、樹脂組成物という)は、
(A)エポキシ樹脂、
(B)下記一般式(1)で表されるチオール化合物
(b)前記(B)成分以外の多官能チオール化合物、および、
(C)潜在性硬化促進剤、
を含有する。
(B)成分は、上述のように、その構造から他のチオール化合物に比べて低い粘度を有する。(C)成分に含まれ得るイミダゾールおよび3級アミンは、アミノ基を有している。そのアミノ基と樹脂組成物中のチオール基との反応が起点となり、(A)成分と(B)成分の重合が開始される。潜在性硬化促進剤としての成分(C)は、室温ではアミノ基の反応が起こりにくいように、設計されている。しかしながら、本発明者らの得た知見によると、(B)成分は、その低い粘度のため、成分(C)に浸透しやすい。その結果、(B)成分と(C)成分とが反応しやすい。そのため、樹脂組成物のポットライフが短くなってしまう。そこで、本実施形態では、(B)成分と(B)成分以外のチオール化合物((b)成分)とを併用することにより、ポットライフの向上が図られている。
本開示の半導体装置は、エンジニアリングプラスチック、セラミックス、および金属からなる群より選択される少なくとも1種の材料から形成される少なくとも2個の被着材が、上述の接着剤の硬化物で接着されている。
調製されてから1時間以内に、樹脂組成物の粘度が、東機産業社製E型粘度計(型番:TVE-22H、ロータ名称:1°34’×R24)を用いて、10rpm、および、予め設定された適切な測定レンジ(H、R、またはU)で、測定された。粘度は、注入性の観点から、低ければ低いほど好ましい。表1~表2に、測定結果を示す。
調製された樹脂組成物の初期粘度(Pa・s)が、東機産業社製E型粘度計(型番:TVE-22H、ロータ名称:1°34’×R24)を用いて、10rpm、25℃で測定された。次に、25℃、湿度50%の環境にて、密閉容器に保存された樹脂組成物の一部が、1時間おきに密閉容器から取り出された。そして、取り出された樹脂組成物の粘度が測定された。初期粘度測定時から、初期粘度の2倍の粘度が測定される迄の経過時間が、ポットライフ(hr)と定義された。ポットライフは3時間以上であることが好ましい。表1~表2に、結果を示す。
下側基材(SUS-304製、平滑板:40mm×60mm×0.3mm)上の、20mm×60mmの領域が、樹脂組成物で塗布された。塗布された領域上の樹脂組成物は、50μmの厚みを有するように、スペーサを用いて、調整された。気泡を噛み込まないように注意しながら、上側基材(SUS―304製リボン(厚さ20μm、幅5mm、長さ50mm))が、樹脂組成物の上に載置された。このようにして、5mm×20mmの接着面をもつ試験片が5つ作製された。次に、送風乾燥機で、作製された試験片を80℃×60分保持することにより、試験片の樹脂組成物が熱硬化された。これにより、ピール強度測定用の試験片が得られた。
その後、室温にて、ピール試験機(ミネベア株式社製荷重測定器LTS-500N-S100、および90°剥離ジグ)により、上記試験片の上側基材が把持された。その後、硬化物の一端がわずかに剥がされたあと、90°の角度および50mm/minの引き上げ速度で、15mmの引き上げ距離まで、上記基材が試験片から剥がされた。このとき、引き上げ距離と同じ距離だけ、試験片が、剥離操作に追従するように、水平に移動した。引き上げ距離が5~15mmのときの測定値の平均値が、初期ピール強度と定義された。
1枚のヘモカバーグラス(松浪硝子工業株式会社製、幅(W)16mm×長さ(L)22mm×厚さ(T)0.5mm)の両長辺端(22mm)のそれぞれに、その全長にわたって、スペーサとして、厚さ(T)0.05mmの両面テープ(幅(W)3mm×長さ(L)20mm)2枚が重ねて貼付けられた。引き続き、もう一枚のヘモカバーグラスが、前述のヘモカバーガラス上に、それらヘモカバーグラスの両長辺が、対向するように、載置された。このようにして、その両端に開口部を有し、さらに、高さ(H)0.1mm×幅(W)10mm×長さ(L)20mmの空間を有する試験片が、作製された。この後、調製された樹脂組成物で、試験片の一方の開口部が塗布された。その後、一分間に試験片の空間内で、樹脂組成物が移動した距離が、初期注入速度(mm/分)と定義された。
〈接着強度〉
表3に示す組合せで、選択された材料(SUS-304平滑板、アルミナ、LCP(液晶ポリマー)、PC(ポリカーボネート)、PI(ポリイミド)、PA(ポリアミド)、FR-4(ガラスエポキシ)、PE(ポリエチレン)、およびPP(ポリプロピレン))からなる基板が、下段の被着材として、実施例6の接着剤または比較例2の接着剤で塗布された。次いで、上段の被着材(SUS―304製リボン(幅5mm、厚み20μm、長さ50mm))が下段の被着材の上に載置された。このようにして作製された試験片を80℃で60分保持することにより、試験片の接着剤が熱硬化された。ここで、LCP、PC、PI、PA、およびFR-4は、エンジニアリングプラスチックである。これらの中で、LCPおよびPIは、スーパーエンジニアリングプラスチックである。
本開示の樹脂組成物は、以下の第1~5の樹脂組成物であってもよい。
上記第1の樹脂組成物は、(A)エポキシ樹脂、(B)下記一般式(1)で表されるチオール化合物
(式中、R1、R2、R3およびR4は、それぞれ独立して、水素、CnH2nSH(式中、nは2~6である)であり、かつR1、R2、R3およびR4の少なくとも1つは、CnH2nSH(式中、nは2~6である)である)、(b)前記(B)以外の多官能チオール化合物、(C)潜在性硬化促進剤、を含有することを特徴とする。
上記第2の樹脂組成物は、(b)成分が、エステル結合を有しないチオール化合物である、上記第1の樹脂組成物である。
上記第3の樹脂組成物は、(b)成分が、チオール置換グリコールウリル誘導体である、上記第1または2の樹脂組成物である。
上記第4の樹脂組成物は、(B)成分及び(b)成分のチオール化合物の合計100質量部に対して、(B)成分が5~80質量部である、上記第1~3のいずれかの樹脂組成物である。
上記第5の樹脂組成物は、80℃、1時間で硬化可能な上記第1~4のいずれかの樹脂組成物である。
本開示の接着剤は、上記第1~5のいずれかの樹脂組成物を含んでいてもよい。
本開示の封止材は、上記第1~5のいずれかの樹脂組成物を含んでいてもよい。
本開示のダム剤は、上記第1~5のいずれかの樹脂組成物を含んでいてもよい。
本開示の半導体装置は、以下の第1~4の半導体装置であってもよい。
上記第1の半導体装置は、上記第1~5の樹脂組成物の硬化物、上記接着剤の硬化物、上記封止材の硬化物、または上記ダム剤の硬化物を含む。
上記第2の半導体装置は、エンジニアリングプラスチック、セラミックス、および金属からなる群より選択される少なくとも1種の材料により形成される少なくとも2個の被着材が、上記接着剤の硬化物で接着されていることを特徴とする、上記第1の半導体装置である。
上記第3の接着剤は、エンジアリングプラスチックが、スーパーエンジニアリングプラスチックである、上記第2の半導体装置である。
上記第4の半導体装置は、エンジニアリングプラスチックが、液晶ポリマー、ポリカーボネート、ポリイミド、ポリアミド、ポリアミドイミド、ポリエーテルイミド、およびエポキシ樹脂からなる群より選択される少なくとも1種である、上記第2または3の半導体装置である。
本開示のイメージセンサーモジュールは、上記第1~4のいずれかの半導体装置を含んでいてもよい。
Claims (13)
- (b)成分が、エステル結合を有しないチオール化合物である、請求項1記載の樹脂組成物。
- (b)成分が、チオール置換グリコールウリル誘導体である、請求項1または2記載の樹脂組成物。
- (B)成分及び(b)成分のチオール化合物の合計量100質量部に対する、(B)成分の量が5~80質量部である、請求項1~3のいずれか1項記載の樹脂組成物。
- 80℃、1時間で硬化可能な請求項1~4のいずれか1項記載の樹脂組成物。
- 請求項1~5のいずれか1項記載の樹脂組成物を含む、接着剤。
- 請求項1~5のいずれか1項記載の樹脂組成物を含む、封止材。
- 請求項1~5のいずれか1項記載の樹脂組成物を含む、ダム剤。
- 請求項1~5記載の樹脂組成物の硬化物、請求項6記載の接着剤の硬化物、請求項7記載の封止材の硬化物、または請求項8記載のダム剤の硬化物を含む、半導体装置。
- エンジニアリングプラスチック、セラミックス、および金属からなる群より選択される少なくとも1種の材料により形成される少なくとも2個の被着材が、請求項6記載の接着剤の硬化物で接着されている、請求項9記載の半導体装置。
- エンジアリングプラスチックが、スーパーエンジニアリングプラスチックである、請求項10記載の半導体装置。
- エンジニアリングプラスチックが、液晶ポリマー、ポリカーボネート、ポリイミド、ポリアミド、ポリアミドイミド、ポリエーテルイミド、およびエポキシ樹脂からなる群より選択される少なくとも1種である、請求項10または11記載の半導体装置。
- 請求項9~12のいずれか1項記載の半導体装置を含む、イメージセンサーモジュール。
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JP (2) | JP6887687B2 (ja) |
KR (1) | KR102374782B1 (ja) |
CN (1) | CN109715695B (ja) |
TW (1) | TWI732059B (ja) |
WO (1) | WO2018079466A1 (ja) |
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CN109355048A (zh) * | 2018-09-26 | 2019-02-19 | 烟台德邦科技有限公司 | 一种超低温快速固化的环氧粘接胶及其制备方法 |
JP2019214711A (ja) * | 2018-06-06 | 2019-12-19 | Sc有機化学株式会社 | エーテル結合含有硫黄化合物及び樹脂組成物 |
JP2020164562A (ja) * | 2019-03-28 | 2020-10-08 | 味の素株式会社 | 一液型樹脂組成物 |
WO2022185832A1 (ja) * | 2021-03-02 | 2022-09-09 | 株式会社スリーボンド | 硬化性樹脂組成物 |
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EP3336120A1 (de) * | 2016-12-14 | 2018-06-20 | Sika Technology AG | Epoxidharz-klebstoff mit hoher druckfestigkeit |
CN112689652B (zh) * | 2019-08-21 | 2021-07-30 | 纳美仕有限公司 | 环氧树脂组合物 |
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JP2021143335A (ja) | 2021-09-24 |
CN109715695A (zh) | 2019-05-03 |
KR20190075046A (ko) | 2019-06-28 |
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JPWO2018079466A1 (ja) | 2019-09-19 |
TW201821528A (zh) | 2018-06-16 |
US11472957B2 (en) | 2022-10-18 |
JP6887687B2 (ja) | 2021-06-16 |
US20200123375A1 (en) | 2020-04-23 |
TWI732059B (zh) | 2021-07-01 |
KR102374782B1 (ko) | 2022-03-15 |
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