WO2020175669A1 - 封止組成物及び半導体装置 - Google Patents
封止組成物及び半導体装置 Download PDFInfo
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- WO2020175669A1 WO2020175669A1 PCT/JP2020/008300 JP2020008300W WO2020175669A1 WO 2020175669 A1 WO2020175669 A1 WO 2020175669A1 JP 2020008300 W JP2020008300 W JP 2020008300W WO 2020175669 A1 WO2020175669 A1 WO 2020175669A1
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- benzene rings
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- 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
- C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
- C08G59/18—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
- C08G59/20—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 epoxy compounds used
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
- C08K3/013—Fillers, pigments or reinforcing additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
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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
- 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
Definitions
- the present invention relates to a sealing composition and a semiconductor device.
- the materials used for semiconductor packages are also required to have durability against temperature cycle tests.
- the thermal conductivity of the encapsulant can be increased, but the elastic modulus increases, which may reduce the durability to the temperature cycle test.
- the thermal conductivity of the encapsulant can be increased, but the elastic modulus increases, which may reduce the durability to the temperature cycle test.
- epoxy resin As an example of a sealing material highly filled with an inorganic filler, (8) epoxy resin, (M) curing agent, and (mouth) inorganic filler containing spherical alumina and spherical silica are essential components.
- An epoxy resin composition for semiconductor encapsulation wherein the spherical alumina is (1) a first spherical alumina having an average particle size of 40 or more and 70 or less, and (2) an average particle size of 10 or more and 15 or less.
- a second spherical alumina wherein the spherical silica is ( ⁇ 13) a first spherical silica having an average particle size of 40! or more and 80!
- Patent Document 1 Japanese Unexamined Patent Publication No. 2 0 0 6 _ 2 7 3 9 20
- the present disclosure has been made in view of the above conventional circumstances, and encapsulation that improves the thermal conductivity of a cured product while suppressing the elastic modulus of the cured product at high temperature (260 ° ⁇ ) to be low. It is an object to provide a semiconductor device using the composition and the encapsulating composition.
- the molecule has at least two benzene rings and at least one ether bond connecting the two benzene rings directly or via a linking group, and the two benzene rings have a bond position of the ether bond.
- a first epoxy resin having no substituents at the ortho and meta positions,
- the content of the inorganic filler is 78% by volume or more based on the entire sealing composition. ⁇ 0 2020/175669 3 (:171? 2020/008300
- the encapsulating composition according to ⁇ 3> wherein the content of the second epoxy resin is 80% by mass or less based on the total amount of the epoxy resin contained in the encapsulating composition.
- the said 1st epoxy resin is a sealing composition as described in any one of ⁇ 1>- ⁇ 5> which has two epoxy groups in a molecule.
- ⁇ represents a bonding portion with the benzene ring.
- a resin other than the first epoxy resin which has a benzene ring and at least two epoxy groups bonded to the para position of the benzene ring directly or via a linking group, and the benzene ring has the two epoxy groups.
- a semiconductor device comprising: a semiconductor element; and a cured product of the encapsulating composition according to any one of ⁇ 1> to ⁇ 11> formed by encapsulating the semiconductor element.
- a sealing composition and a sealing composition are used, in which the elastic modulus of a cured product at high temperature (260 ° ⁇ ) is suppressed to a low level and the thermal conductivity of the cured product is improved.
- a semiconductor device can be provided.
- the upper limit value or the lower limit value described in one numerical range may be replaced with the upper limit value or the lower limit value of another stepwise described numerical range. .. Further, in the numerical range described in the present disclosure, the upper limit value or the lower limit value of the numerical range may be replaced with the value shown in the examples.
- each component may include a plurality of types of applicable substances.
- the content rate or content of each component is the total content rate or the content rate of the multiple types of substances present in the composition, unless otherwise specified. Means the content.
- a plurality of types of particles corresponding to each component may be included.
- the particle size of each component means a value for a mixture of the plurality of types of particles present in the composition unless otherwise specified.
- (meth)acryloyl group means at least one of an acryloyl group and methacryloyl group
- (meth)acryl means at least one of acryl and methacryl
- (meth)acrylate means at least one of acrylate and methacrylate.
- the sealing composition of the present disclosure has at least two benzene rings in the molecule and at least one ether bond connecting the two benzene rings directly or via a linking group, and the two benzene rings are It contains a first epoxy resin having no substituents at the ortho- and meta-positions of the ether bond, a curing agent, and an inorganic filler.
- the encapsulating composition of the present disclosure contains the first epoxy resin described above, the elastic modulus at high temperature (260 ° ⁇ ) (hereinafter also referred to as “high temperature elastic modulus”) of the cured product is suppressed to be low. At the same time, the thermal conductivity of the cured product is improved. The reason is not clear, but it is presumed as follows. ⁇ 0 2020/175 669 6 ⁇ (: 171? 2020 /008 300
- the first epoxy resin having no substituents in the ortho and meta positions is more likely to be oriented and has higher crystallinity than the epoxy resin having a substituent, so that it is more likely to undergo molecular vibration and reduce heat loss. It is thought that it is possible to increase the thermal conductivity of the cured product.
- the first epoxy resin since the first epoxy resin has flexibility by having an ether bond connecting two benzene rings, the first epoxy resin suppresses an increase in high temperature elastic modulus in the cured product, and at the same time, has a thermal property of the cured product. It is estimated that the conductivity can be improved.
- the encapsulating composition of the present disclosure contains an epoxy resin, a curing agent, and an inorganic filler, and may further contain other components as necessary.
- Epoxy resins are generally composed of phenol compounds (phenol, cresol, xylenol, resorcin, catechol, bisphenol-8, bisphenol, etc.) and naphthol compounds ( ⁇ -naphthol, /3-naphthol, dihydroxynaphthalene, etc.).
- Epoxidized novolak resin obtained by condensing or co-condensing at least one selected from the group with an aldehyde compound (formaldehyde, acetaldehyde, propionaldehyde, benzaldehyde, salicylaldehyde, etc.) under acidic catalyst ( Phenol novolac type epoxy resin, orthocresol novolac type epoxy resin, etc.; bisphenol (bisphenol 8, bisphenol 80, bisphenol, bisphenol 3 etc.) and biphenol (alkyl substituted or unsubstituted biphenol etc.) At least one diglycidyl ether selected from the group; epoxides of phenol-aralkyl resins; adducts or polymers of phenol compounds with at least one selected from the group consisting of dicyclopentadiene and terbene compounds.
- an aldehyde compound formaldehyde, acetaldehyde, propionaldehyde, benzaldehyde,
- Epoxide of adduct Glycidyl ester type epoxy resin obtained by reaction of polybasic acid (phthalic acid, dimer acid, etc.) and epichlorohydrin; Reaction of polyamine (diaminodiphenylmethane, isocyanuric acid, etc.) with epichlorohydrin Glycidyl obtained ⁇ 0 2020/175 669 7 ⁇ (: 171? 2020 /008 300
- Examples thereof include amine type epoxy resins; linear aliphatic epoxy resins obtained by oxidizing olefinic bonds with peracid (peracetic acid etc.); alicyclic epoxy resins.
- the epoxy resins may be used alone or in combination of two or more.
- the sealing composition of the present disclosure is, as described above, at least one ether which links at least two benzene rings directly or via a linking group to the two benzene rings. And a bond in the molecule, and the two benzene rings contain a first epoxy resin having no substituents at the ortho position and the meta position of the bonding position of the ether bond.
- the encapsulating composition of the present disclosure may contain an epoxy resin other than the first epoxy resin and the third epoxy resin described later, if necessary, and the first epoxy resin and the third epoxy resin described later may be included.
- a resin other than the epoxy resin of it is preferable to further contain a second epoxy resin having a melting point or a softening point of 50° ⁇ or more.
- the sealing composition of the present disclosure, if necessary, 1 is a resin other than the epoxy resin, and has a benzene ring and at least two epoxy groups bonded to the para-position of the benzene ring directly or via a linking group, and the benzene ring is one of the two epoxy groups. You may contain the 3rd epoxy resin which does not have a substituent in the ortho position and meta position of a bonding position.
- the sealing composition of the present disclosure may include an epoxy resin other than the first epoxy resin, the second epoxy resin, and the third epoxy resin (hereinafter, also referred to as “other epoxy resin”), if necessary. May be included.
- the total content of the first epoxy resin and, if necessary, the second epoxy resin and the third epoxy resin is 9 0 based on the total amount of all epoxy resins contained in the encapsulating composition. It is preferably at least mass%, more preferably at least 95 mass%, and even more preferably at least 98 mass%.
- the first epoxy resin has at least two benzene rings and at least one ether bond connecting the two benzene rings directly or via a connecting group. ⁇ 0 2020/175 669 8 ⁇ (: 171? 2020 /008 300
- the benzene ring connected by the ether bond is also referred to as a “specific benzene ring”.
- the number of the specific benzene ring contained in one molecule of the first epoxy resin is not particularly limited as long as it is at least 2 or more, and includes a range of 2 to 6,
- the first epoxy resin may have an aromatic hydrocarbon ring other than the specific benzene ring bonded to the specific benzene ring directly or via a linking group.
- the above-mentioned aromatic hydrocarbon ring of the first epoxy resin may be one kind or two or more kinds.
- the number of the above aromatic hydrocarbon rings in the first epoxy resin is 2 or more, and 2 to 4 The range may be 2 or 2.
- the aromatic hydrocarbon ring other than the specific benzene ring include a benzene ring and a naphthalene ring, and among them, the benzene ring is preferable.
- the benzene ring other than the specific benzene ring is substituted at the ortho position and the meta position of the bonding position of the specific benzene ring. It is preferred to have no groups.
- the first epoxy resin has at least two epoxy groups in the molecule.
- the number of epoxy groups that the first epoxy resin has in one molecule is not particularly limited as long as it is 2 or more, 2 to 8 can be mentioned, 2 to 6 is preferable, 2 to 3 is more preferable, 2 is particularly preferred.
- the epoxy group is at least selected from glycidyl group, glycidyloxy group, glycidyloxycarbonyl group, glycidylamino group, epoxycycloalkyl group (epoxycyclopentyl group, epoxycyclohexyl group, epoxycyclooctyl group, etc.).
- _ part of _ the species first of Epo ⁇ 0 2020/175 669 9 ⁇ (: 171? 2020 /008 300
- the first epoxy resin preferably has a glycidyloxy group in the molecule, and has a glycidyloxy group directly bonded to the specific benzene ring or the aromatic hydrocarbon ring other than the specific benzene ring in the molecule.
- the glycidyloxy group may be directly bonded to the specific benzene ring or may be directly bonded to an aromatic hydrocarbon ring other than the specific benzene ring.
- the first epoxy resin has two or more glycidyloxy groups
- all of the two or more glycidyloxy groups are at least one selected from the aromatic hydrocarbon ring other than the specific benzene ring and the specific benzene ring. It is preferable that all of the two or more glycidyloxy groups are directly bonded to the specific Benzen ring or are directly bonded to an aromatic hydrocarbon ring other than the specific Benzen ring, and the two or more are directly bonded. It is more preferable that all of the glycidyloxy groups of are directly bonded to the specific benzene ring or directly to a benzene ring other than the specific benzene ring.
- the first epoxy resin only needs to have at least one or more ether bonds in one molecule between two specific benzene rings, and may have two or more.
- the ether bond is preferably directly bonded to the specific benzene ring, and the specific benzene ring is bonded via a linking group other than the ether bond (a hydrocarbon group such as a substituted or unsubstituted alkylene group or a carbonyl group). May be attached to a ring.
- the group connecting two specific benzene rings may be a group consisting of one ether bond, or may be a group containing an ether bond and a linking group other than the ether bond, and may have two or more ether bonds. It may be a group containing, or a group containing two or more ether bonds and a linking group other than the ether bond.
- Examples of the group containing two or more ether bonds and a linking group other than the ether bond include a divalent linking group represented by the following structural formula (1).
- the first epoxy resin may further have another substituent (alkyl group, alkoxy group, aryl group, aralkyl group, amino group, etc.).
- Examples of the first epoxy resin include epoxy resins represented by the following general formula (2).
- formula (2) represents a monovalent group containing respectively Snake 1 and Snake 2 are independently an epoxy group, a 1 1 represents a divalent linking group containing an ether bond, 1_ 2 and 1_ 3 Waso respectively independently a divalent linking group containing an aromatic hydrocarbon ring, 3 1 and 3 2 are each independently an integer of ⁇ _ ⁇ 3, n is an integer of 1-4 ..
- Examples thereof include a divalent linking group represented by the structural formula (1), a peroxy group, and an acetal group.
- Examples of the divalent linking group represented by- 2 and !_ 3 include a phenylene group and a naphthylene group, and a phenylene group is preferable, A phenylene group is more preferred.
- n is preferably 1 to 3, more preferably 1 to 2, and even more preferably 1.
- the sealing composition is free of a third epoxy resin described later, an epoxy group equivalent in the first Epoxy resin, for example, 1 80 9/6 or less and the like, improving the high-temperature thermal conductivity From the viewpoint of simultaneously suppressing the increase in elastic modulus, it is preferably 1 309/6 to 1 809 /6, more preferably 1 359/6 to 1 759/ ⁇ , and 1 409/6 to It is even more preferable that it be 1 ⁇ / ⁇ .
- the epoxy group equivalent in the mixture of the first epoxy resin and the third epoxy resin is, for example, 180 9 or less, and from the viewpoint of simultaneously improving the thermal conductivity and suppressing the increase in the high temperature elastic modulus, 1 259/6 to 1 890 9/6 is more preferable, and 1 35/6 More preferable.
- the "epoxy group equivalent” is measured as follows. Specifically, it is measured by weighing the epoxy resin to be measured, dissolving it in a solvent such as methyl ethyl ketone, adding acetic acid and tetraethylammonium bromide acetic acid solution, and then potentiometrically titrating with perchloric acid acetic acid standard solution. It An indicator may be used for this titration.
- the content ratio of the first epoxy resin to the total amount of all epoxy resins contained in the encapsulating composition is high. ⁇ 0 2020/175 669 12 ⁇ (: 171? 2020 /008 300
- the encapsulating composition does not contain a third epoxy resin described below, the content ratio of the first epoxy resin to the total amount of all epoxy resins contained in the encapsulating composition is the moldability of the encapsulating composition. From this viewpoint, it is preferably 70% by mass or less, more preferably 50% by mass or less, and further preferably 40% by mass or less.
- the content ratio of the first epoxy resin to the total amount of all the epoxy resins contained in the encapsulating composition is as follows: high temperature elastic modulus suppression, thermal conductivity improvement , And from the viewpoint of moldability of the sealing composition, it is preferably 10% by mass to 70% by mass, more preferably 20% by mass to 50% by mass, and 25% by mass. It is more preferable that the content is ⁇ 40% by mass.
- the total content of the first epoxy resin and the third epoxy resin with respect to the total amount of all epoxy resins contained in the encapsulating composition is From the viewpoint of achieving both suppression of increase in elastic modulus and improvement in thermal conductivity, it is preferably 10% by mass or more, more preferably 20% by mass or more, and further preferably 25% by mass or more. preferable.
- the sealing composition contains a third epoxy resin described below, the total content of the first epoxy resin and the third epoxy resin with respect to the total amount of all epoxy resins contained in the sealing composition is From the viewpoint of moldability of the composition, it is preferably 70% by mass or less, more preferably 50% by mass or less, and further preferably 40% by mass or less.
- the total content of the first epoxy resin and the third epoxy resin with respect to the total amount of all epoxy resins contained in the encapsulating composition is the high temperature elastic modulus. From the viewpoints of suppression of rise, improvement of thermal conductivity, and moldability of the sealing composition, it is preferably 10% by mass to 70% by mass, more preferably 20% by mass to 50% by mass. , 25 mass% to 40 mass% is more preferable.
- the first epoxy ⁇ 0 2020/175 669 13 ⁇ (: 171? 2020 /008 300
- the content of the first epoxy resin with respect to the total of the xy resin and the third epoxy resin is, for example, 5% by mass to 35% by mass, and from the viewpoint of suppressing the increase in the high temperature elastic modulus, 10% by mass to 3% by mass. 5% by mass is preferable, and 20% by mass to 35% by mass is more preferable.
- the content ratio of the first epoxy resin to the entire encapsulating composition is 0.2 mass% to 3.0 mass%. It is preferable that it is 0.4 mass% to 1.5 mass%, more preferably 0.6 mass% ...! More preferably, it is 1% by mass.
- the total content of the first epoxy resin and the third epoxy resin in the entire encapsulating composition is 0.2 mass% to 3.0 mass. %, preferably 0.4% to 1.5% by mass, and more preferably 0.6% to 1.1% by mass.
- the second epoxy resin is an epoxy resin other than the first epoxy resin and the third epoxy resin described later, and is particularly limited as long as it is an epoxy resin having a melting point or a softening point of 50 ° ⁇ or more. Not a thing.
- the melting point of the epoxy resin is the value measured by differential scanning calorimetry (the value measured by 0 30 and the softening point of the epoxy resin is the method according to “3 ⁇ 7 2 3 4 :1 9 8 6 (ring and ball method) The value measured in.
- the melting point or softening point of the second epoxy resin is preferably 50° or more, more preferably 60° or more, from the viewpoint of moldability of the encapsulating composition. ° and more preferably ⁇ as.
- the melting point or softening point of the second epoxy resin from the viewpoint of kneadability during production, preferably 1 5 is 0 ° ⁇ less, more preferably 1 3 0 ° ⁇ less, 1 More preferably, it is not more than 20°.
- Melting or softening point of the second epoxy resin is preferably from the viewpoint of kneadability during production and molding of the sealing composition, 5 is 0 ° ⁇ _ ⁇ 1 5 0 ° ⁇ , 6 0 ° ⁇ It is more preferable that ⁇ 0 2020/175 669 14 ⁇ (: 171? 2020/008300
- the epoxy group equivalent in the second epoxy resin is not particularly limited. And it is preferably less than, in terms of compatibility of moldability and high-temperature elastic modulus increase curbing, more preferably 1 2 0 9/6 9-2 7 0 9/6 9, Is more preferable.
- the second epoxy resin has at least two epoxy groups in the molecule.
- the number of epoxy groups contained in one molecule of the second epoxy resin is not particularly limited and includes 2 to 8, preferably 2 to 6, more preferably 2 to 3, and particularly preferably 2. ..
- the epoxy group is at least selected from glycidyl group, glycidyloxy group, glycidyloxycarbonyl group, glycidylamino group, epoxycycloalkyl group (epoxycyclopentyl group, epoxycyclohexyl group, epoxycyclooctyl group, etc.).
- the _ species_ part may be contained in the molecule of the first epoxy resin.
- the second epoxy resin preferably has a divalent linking group represented by the following general formula (3) in the molecule, in addition to two or more epoxy groups.
- ⁇ represents a bonding part, and ⁇ independently represent a hydrogen atom, an alkyl group having 1 to 12 carbon atoms, or an aromatic group having 4 to 18 carbon atoms. Show.
- An alkyl group of 1 to 3 is preferable, a hydrogen atom or a methyl group is more preferable, and a methyl group is further preferable.
- the content of the second epoxy resin with respect to the total amount of all epoxy resins contained in the encapsulating composition is from 30% by mass to 90% from the viewpoint of achieving both suppression of increase in high temperature elastic modulus and moldability. It is preferably mass%, more preferably 50 mass% to 80 mass%, still more preferably 60 mass% to 75 mass%.
- the content of the second epoxy resin with respect to the entire sealing composition is preferably 1.0 mass% to 5.0 mass%, and is 1.5 mass% to 4.0 mass%. Is more preferable, and 1.7% by mass to 3.0% by mass is further preferable.
- the third epoxy resin is a resin other than the first epoxy resin and has a benzene ring and at least two epoxy groups bonded to the para-position of the benzene ring directly or via a linking group.
- the epoxy resin is not particularly limited as long as the benzene ring has no substituent at the ortho position and the meta position of the bonding position of the two epoxy groups.
- the number of benzene rings that the third epoxy resin has in one molecule is not particularly limited, and may be in the range of 1 to 3, preferably 1 to 2,
- each of the two or more benzene rings may be substituted only in the para position (that is, have no substituents in the ortho and meta positions). preferable.
- the third epoxy resin further has an aromatic hydrocarbon ring other than the benzene ring. ⁇ 0 2020/175 669 16 ⁇ (: 171-1? 2020/008 300
- the number of epoxy groups contained in one molecule of the third epoxy resin is not particularly limited as long as it is 2 or more, and 2 is preferable.
- the epoxy group is at least one selected from glycidyl group, glycidyloxy group, glycidyloxycarbonyl group, glycidylamino group, epoxycycloalkyl group (epoxycyclopentyl group, epoxycyclohexyl group, epoxycyclooctyl group, etc.). As a part, it may be contained in the molecule of the third epoxy resin.
- the third epoxy resin preferably has a glycidyloxy group in the molecule, and more preferably has a glycidyloxy group directly bonded to the benzene ring. Further, when the third epoxy resin has two or more glycidyloxy groups, it is preferable that all the two or more glycidyloxy groups are directly bonded to the benzene ring.
- Examples of the third epoxy resin include epoxy resins represented by the following general formula (4).
- the content of the total epoxy resin in the sealing composition is 2.0% by mass to 6% by mass. ⁇ 0 2020/175 669 17 ⁇ (: 171-1? 2020/008 300
- the total epoxy resin content in the sealing composition excluding the inorganic filler is preferably 40 mass% to 70 mass%, more preferably 45 mass% to 64 mass%. , 48 mass% to 55 mass% is more preferable.
- the sealing composition contains a curing agent.
- the type of curing agent is not particularly limited, and known curing agents can be used.
- the curing agent examples include a phenol curing agent, an amine curing agent, an acid anhydride curing agent, a polymercaptan curing agent, a polyaminoamide curing agent, an isocyanate curing agent, and a blocked isocyanate curing agent.
- the curing agent is preferably a phenol curing agent, an amine curing agent, and an acid anhydride curing agent, and more preferably a phenol curing agent, from the viewpoint of obtaining a sealing composition having excellent reflow resistance while maintaining fluidity.
- the curing agent may be used alone or in combination of two or more.
- the phenol curing agent examples include a phenol resin having two or more phenolic hydroxyl groups in one molecule, and a polyvalent phenol compound.
- polyvalent phenol compounds such as resorcin, catechol, bisphenol-8, bisphenol, substituted or unsubstituted biphenol and the like; phenol, cresol, xylenol, resorcin, catechol, bisphenol-8, bisphenol, phenyl.
- At least one phenolic compound selected from the group consisting of phenol compounds such as phenol and aminophenol, and naphthol compounds such as naphthol, /3-naphthol and dihydroxynaphthalene, and aldehyde compounds such as formaldehyde, acetaldehyde and propionaldehyde.
- a novolac-type phenol resin obtained by condensation or co-condensation of an aralkyl-type phenol resin obtained from the above phenolic compound, dimethoxyparaxylene, bis(methoxymethyl)biphenyl, etc.
- Phenol aralkyl resin, naphthol aralkyl resin, etc.) para ⁇ 0 2020/175 669 18 ⁇ (: 171? 2020 /008 300
- Xylylene-modified phenol resin meta-xylylene-modified phenol resin; melamine-modified phenol resin; terpene-modified phenol resin; dicyclopentadiene-type phenol resin and dicyclopentadiene-naphthol synthesized by copolymerization of the above-mentioned phenolic compound and dicyclopentadiene Resin; Cyclopentagen-modified phenol resin; Polycyclic aromatic ring-modified phenol resin; Biphenyl-type phenol resin; Condensation or co-condensation of the above phenolic compounds with aromatic aldehyde compounds such as benzaldehyde and salicylaldehyde under acidic catalyst. And a phenol resin obtained by copolymerizing two or more of them. These phenol resins and polyhydric phenol compounds may be used alone or in combination of two or more.
- the phenol curing agent is preferably a polyfunctional phenol resin, of which a novolac type phenol resin, an aralkyl type phenol resin, and a triphenylmethane type phenol resin are preferable, and a triphenylmethane type phenol resin is more preferable. ..
- triphenylmethane type phenol resin examples include a phenol resin represented by the following general formula (5).
- 6 1 ⁇ ⁇ 2 each independently represents an integer of ⁇ ⁇ 4
- ⁇ 3 represents an integer of ⁇ ⁇ 3
- ⁇ 4 ⁇ ⁇ 5 each independently, ⁇ Indicates an integer of ⁇ 4, and 1 ⁇ ! indicates ⁇ to 10.
- the monovalent organic group having 1 to 18 carbon atoms represented by is a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted aryl group, a substituted or unsubstituted Aralkyl group etc.
- n is preferably 1 to 7, and more preferably 2 to 5.
- the functional group equivalent of the curing agent is not particularly limited, and from the viewpoint of moldability,
- ⁇ 5009 / & is preferable, a ⁇ / ⁇ ⁇ 3009 / ⁇ is more preferable, 80 Is more preferable.
- the functional group equivalent is a value measured in accordance with “” 3 ⁇ 0070: 1 992.
- the softening point or melting point is not particularly limited. From the viewpoint of moldability and reflow resistance, it is preferably 40 ° ⁇ to 180 ° ⁇ , and from the viewpoint of handleability during production of the sealing composition, the softening point or melting point is
- the melting point or softening point of the curing agent shall be the value measured in the same manner as the melting point or softening point of the epoxy resin.
- the mixing ratio of the epoxy resin and the curing agent is such that the equivalent of the functional group of the curing agent (for example, a phenolic hydroxyl group in the case of a phenol resin) is the epoxy resin of the epoxy resin from the viewpoint of suppressing the unreacted content of each.
- the curing agent is preferably blended so as to be 0.5 equivalent to 1.5 equivalents relative to 1 equivalent of the group, and particularly, the curing agent is blended so as to be 0.7 equivalent to 1.2 equivalents.
- the inorganic filler may be used singly or in combination of two or more.When two or more inorganic fillers are used in combination, the inorganic fillers differ in composition, average particle size, shape, etc. The case where two or more kinds are used is mentioned.
- the shape of the inorganic filler is not particularly limited, and examples thereof include powder, sphere, and fiber. From the viewpoint of fluidity at the time of molding of the encapsulating composition and mold abrasion resistance, it is preferably spherical.
- the inorganic filler preferably contains alumina from the viewpoint of high thermal conductivity. All of the inorganic fillers may be alumina, or alumina and other inorganic fillers may be used in combination.
- silica is preferably used as the other inorganic filler from the viewpoint of fluidity.
- Alumina and silica are used together as the inorganic filler.
- the content of alumina in the inorganic filler is preferably 50% by mass or more, more preferably 70% by mass or more, and further preferably 85% by mass or more. It is preferable that the content is 95% by mass or more.
- the content of alumina in the inorganic filler may be 99.6 mass% or less.
- the content of the inorganic filler is preferably 60% by volume or more based on the whole sealing composition from the viewpoint of hygroscopicity, reduction of linear expansion coefficient, improvement of strength and solder heat resistance. , 70% by volume or more, more preferably 75% by volume or more. ⁇ 0 2020/175 669 21 ⁇ (: 171? 2020/008300
- the content of the inorganic filler is particularly preferably 78% by volume or more, and most preferably 80% by volume or more, based on the whole sealing composition.
- the content of the inorganic filler is preferably 95% by volume or less, and 90% by volume or less with respect to the entire sealing composition. Is more preferable, and 85% by volume or less is further preferable.
- the content of the inorganic filler is preferably 78% by volume to 90% by volume and 78% by volume to 85% from the viewpoint of achieving both high thermal conductivity and moldability and fluidity of the sealing composition. Volume% is more preferable, and 80% by volume to 85% by volume is further preferable.
- the average particle size of the inorganic filler is preferably 4 to 100, more preferably 7 111 to 70, and further preferably 70! to 4001. preferable.
- the average particle size of the inorganic filler is the average particle size of alumina when alumina is used alone as the inorganic filler, and the average particle size of alumina and other inorganic fillers is the inorganic filler. When used in combination, it means the average particle size of the inorganic filler as a whole.
- the thermal conductivity of the cured product of the sealing composition tends to be more localized as the average particle size of the inorganic filler increases.
- the average particle size of the inorganic filler can be measured by the following method.
- the inorganic filler to be measured was added to the solvent (pure water) together with 1% to 8% by mass of the surfactant within the range of 1% to 5% by mass, and the ultrasonic cleaning machine of 110 was installed. Shake for 30 seconds to 5 minutes to disperse the inorganic filler. Approximately 30 ⁇ 1_ of the dispersion is poured into the measuring cell and measured at 25 ° ⁇ . A laser diffraction particle size distribution meter (Horiba, Ltd., !_920) is used as the measuring device to measure the volume-based particle size distribution. The average particle size is obtained as the particle size (portion 50%) when the accumulation from the small diameter side is 50% in the volume-based particle size distribution.
- the refractive index of the aluminum is used as the refractive index.
- the refractive index of alumina shall be used. ⁇ 02020/175669 22 ⁇ (: 171? 2020 /008300
- the specific surface area of the inorganic filler is from the viewpoint of fluidity and moldability:
- 0_Rei! Is preferably 2/9, 0.5 9_Rei_1 2/9 to 3. more preferably hundred! 2 / a is, 1. 0_Rei_1 2/9 to 2.5 2/9 Is more preferable.
- the fluidity of the sealing composition tends to increase as the specific surface area of the inorganic filler decreases.
- the specific surface area of the inorganic filler is the specific surface area of alumina when, for example, aluminum is used alone as the inorganic filler, and the alumina and the other inorganic fillers are used as the inorganic filler. When used in combination, it refers to the specific surface area of the mixture of inorganic fillers.
- the specific surface area of the inorganic filler (Mitsumi specific surface area) is It can be measured from the nitrogen adsorption capacity according to I 8830: 2 01 3.
- 011 8 1 ⁇ 1 8 1 ⁇ 1 [3 ⁇ 4 0 1 ⁇ /1Misha: 811 030[3] 1 (trade name) can be used.
- the specific surface area of Mitsunita it is considered that the water adsorbed on the sample surface and structure influences the gas adsorption capacity. Therefore, first perform a pretreatment for water removal by heating. It is preferable.
- the measurement cell charged with 0.059 measurement sample was depressurized to 10 3 or less with a vacuum pump, heated at 110 °C, held for 3 hours or more, and then depressurized. While maintaining the temperature, naturally cool it to room temperature (25 ° ⁇ . After performing this pretreatment, set the evaluation temperature to 77
- the evaluation pressure range is measured as relative pressure (equilibrium pressure against saturated vapor pressure) of less than 1.
- the sealing composition may further contain a curing accelerator.
- the type of curing accelerator is not particularly limited, and known curing accelerators can be used.
- curing accelerator examples include 1,8-diazabicyclo [5. 4.
- Cycloamidine compounds such as N-7; maleic anhydride, 1,4-benzoquinone, 2,5-toluquinone, 1,4-naphthoquinone, 2,3-dimethylbenzoquinone, 2,6-dimethylbenzoquinone, 2, 3—Dimethoxy _ 5—Methyl-1,4—benzoquinone, 2, 3—Dimethoxy _ 1,
- Quinone compounds such as 4-benzoquinone and phenyl-1,4-benzoquinone, compounds such as diazophenylmethane and phenol resin, which have an intramolecular polarization formed by adding a compound having a bond; benzyldimethylamine, triethanolamine , Tertiary amine compounds such as dimethylaminoethanol, tris(dimethylaminomethyl)phenol; derivatives of tertiary amine compounds; 2-methylimidazole, 2-phenylimidazole, 2-phenyl-4-methylimidazole and other imidazoles Compounds; Derivatives of imidazole compounds; tryptylphosphine, methyldiphenylphosphine, triphenylphosphine, tris(4-methylphenyl)phosphine, diphenylphosphine, phenylphosphine, and other organic phosphine compounds; organic phosphine compounds and maleic anhydride, P
- the curing accelerator is preferably a phosphorus-based curing accelerator, and among these, an organic phosphine compound, an adduct of an organic phosphine compound, and an adduct of a phosphine compound and a tetraphenylboron salt are more preferable.
- Organic phosphine compounds and adducts of organic phosphine compounds are more preferable, and organic phosphine compounds are more preferable.
- a compound in which a quinone compound is added to a tin compound is particularly preferable.
- the content of the curing accelerator is preferably 0.1% by mass to 8% by mass with respect to the total amount of the epoxy resin and the curing agent.
- the sealing composition may further contain an ion trap agent.
- the ion trap agent that can be used in the present disclosure is not particularly limited as long as it is an ion trap agent that is generally used in the encapsulating material used for manufacturing semiconductor devices.
- Examples of the ion trap agent include compounds represented by the following general formula (6) or the following general formula (7).
- the ion trap agent is commercially available.
- the compound represented by the general formula (6) for example, “0 1 to 1_48” (Kyowa Chemical Industry Co., Ltd., trade name) is commercially available.
- the compound represented by the general formula (7) for example, “Toku Xomi 500” (Toagosei Co., Ltd., trade name) is available as a commercial product.
- Examples of ion trapping agents other than the above include hydrous oxides of elements selected from magnesium, aluminum, titanium, zirconium, antimony, and the like.
- the ion trap agents may be used alone or in combination of two or more.
- the content of the ion trapping agent is 1 part by mass or more based on 100 parts by mass of the epoxy resin from the viewpoint of achieving sufficient moisture resistance reliability. Is preferred. From the viewpoint of sufficiently exerting the effects of other components, the content of the ion trap agent is 100 parts by mass of the epoxy resin. ⁇ 0 2020/175 669 25 ⁇ (: 171? 2020/008300
- It is preferably 15 parts by mass or less.
- the average particle size of the ion trapping agent is preferably 0.11 to 3.00, and the maximum particle size is preferably 10 or less.
- the average particle size of the ion trapping agent can be measured in the same manner as in the case of the inorganic filler.
- the sealing composition may further contain a coupling agent.
- the type of coupling agent is not particularly limited, and known coupling agents can be used. Examples of the coupling agent include silane coupling agents and titanium coupling agents. As the coupling agent, one type may be used alone, or two or more types may be used in combination.
- silane coupling agent examples include vinyltrichlorosilane, vinyltriethoxysilane, vinyltris(/3-methoxyethoxy)silane, methacryloxypropyltrimethoxysilane, 8-methacryloxyoctyltrimethoxysilane, and (3 (3, 4- Epoxycyclohexyl) Ethyltrimethoxysilane, __glycidoxypropyltrimethoxysilane, vinyltriacetoxysilane, _mercaptopropyltrimethoxysilane, _aminopropyltriethoxysilane, 7 [bis(/3-hydroxyethyl)]amino propyltriethoxy Silane, 1 ⁇ !— /3— (aminoethyl)-aminopropylpropyltrimethyloxysilane, 7 (/3-aminoethyl) aminopropyldimethoxymethylsilane, 1 ⁇ 1
- the sealing composition contains, as the coupling agent, a silane compound having a structure in which a chain hydrocarbon group having 6 or more carbon atoms is bonded to a silicon atom (hereinafter also referred to as “specific silane compound”). May be.
- a silane compound having a structure in which a chain hydrocarbon group having 6 or more carbon atoms is bonded to a silicon atom hereinafter also referred to as “specific silane compound”. May be.
- the chain hydrocarbon group may be branched or may have a substituent.
- the carbon number of the chain hydrocarbon group means the carbon number of the branched or substituted group that does not include carbon.
- the chain hydrocarbon group may or may not contain an unsaturated bond, and preferably does not contain an unsaturated bond.
- the number of chain hydrocarbon groups bonded to a silicon atom in the specific silane compound may be 1 to 4, preferably 1 to 3, more preferably 1 or 2, and 1 Is more preferable.
- the atom or atomic group other than the chain hydrocarbon group bonded to the silicon atom is not particularly limited, and each independently represents a hydrogen atom, an alkyl group having 1 to 5 carbon atoms, an alkoxy group, It may be an aryl group, an aryloxy group or the like. Among them, one or more alkoxy groups may be bonded in addition to the chain hydrocarbon group. ⁇ 0 2020/175 669 27 ⁇ (: 171? 2020 /008 300
- the chain hydrocarbon group of the specific silane compound has 6 or more carbon atoms, and preferably 7 or more, and more preferably 8 or more, from the viewpoint of suppressing viscosity.
- the upper limit of the number of carbon atoms of the chain hydrocarbon group of the specific silane compound is not particularly limited, and from the viewpoint of dispersibility in resin, physical property balance of the cured product, etc., it is preferably 12 or less, and 11 or less. It is more preferable, and it is even more preferable that it is 10 or less.
- the substituent is not particularly limited.
- the substituent may be present at the end of the chain hydrocarbon group or may be present at the side chain of the chain hydrocarbon group.
- the chain hydrocarbon group preferably has at least one functional group selected from a (meth)acryloyl group, an epoxy group, and an alkoxy group (hereinafter, also referred to as a specific functional group), and (meth) It is more preferable to have at least one functional group selected from an acryloyl group and an epoxy group, and it is further preferable to have a (meth)acryloyl group.
- the specific functional group may be present at the end of the chain hydrocarbon group or may be present at the side chain of the chain hydrocarbon group. From the viewpoint of suppressing the viscosity, the specific functional group is preferably present at the end of the chain hydrocarbon group.
- the (meth)acryloyl group may be directly bonded to the chain hydrocarbon group, or may be bonded via another atom or atomic group. May be.
- the chain hydrocarbon group may have a (meth)acryloyloxy group.
- the chain hydrocarbon group preferably has a methacryloyloxy group.
- the chain hydrocarbon group has an epoxy group
- the epoxy group may be directly bonded to the chain hydrocarbon group or may be bonded via another atom or atomic group.
- the chain hydrocarbon group may have a glycidyloxy group, an alicyclic epoxy group, or the like.
- the chain hydrocarbon group has a glycidyloxy group ⁇ 0 2020/175 669 28 ⁇ (: 171? 2020/008300
- the alkoxy group may be directly bonded to the chain hydrocarbon group, or may be bonded via another atom or atomic group. It is preferably bound directly to the hydrocarbon group.
- the alkoxy group is not particularly limited and may be a methoxy group, an ethoxy group, a propoxy group, an isopropoxy group and the like.
- the chain hydrocarbon group preferably has a methoxy group from the viewpoint of easy availability.
- the equivalent weight (molecular weight/number of functional groups) of at least one functional group selected from a (meth)acryloyl group, an epoxy group, and an alkoxy group in the specific silane compound is not particularly limited. From the viewpoint of lowering the viscosity of the encapsulating composition, it is preferably 2 0 09 / ⁇ to 4 209 / ⁇ ,
- ⁇ is more preferable, and 230 / ⁇ to 390 / ⁇ is more preferable.
- Specific silane compounds include hexyltrimethoxysilane, heptyltrimethoxysilane, octyltrimethoxysilane, hexyltriethoxysilane, heptyltriethoxysilane, octyltriethoxysilane, 6-glycidoxyhexyltrimethoxysilane, 7-glycidoxy.
- 8-glycidoxyoctyltrimethoxysilane and 8-methacryloxyoctyltrimethoxysilane are preferable from the viewpoint of lowering the viscosity of the sealing composition.
- the specific silane compounds may be used alone or in combination of two or more.
- the specific silane compound may be synthesized, or a commercially available one may be used.
- Specific silane compounds that are commercially available include Shin-Etsu Chemical Co., Ltd. ⁇ Mizu IV!— 306 3 (hexyltrimethoxysilane), ⁇ Minamiichi 1 3 06 3 (hexyltriethoxysilane), [ ⁇ Minamiichi 1 3 0 8 3 (octyltriethoxysilane ⁇ 0 2020/175 669 29 ⁇ (: 171? 2020/008300
- the content of the coupling agent is preferably 3% by mass or less, and more preferably 2% by mass or less, based on the entire sealing composition. , 1% by mass or less is more preferable, and from the viewpoint of exerting its effect, it is preferably 0.1% by mass or more, more preferably 0.15% by mass or more, and 0.2% by mass. % Or more is more preferable.
- the content of the coupling agent may be 0.01 part by mass or more, or 0.02 part by mass or more, based on 100 parts by mass of the inorganic filler.
- the content of the pulling agent is preferably 5 parts by mass or less, and more preferably 2.5 parts by mass or less with respect to 100 parts by mass of the inorganic filler.
- the content of the coupling agent is preferably 0.05 to 2.0 parts by mass with respect to 100 parts by mass of the inorganic filler, from the viewpoint of achieving both fluidity and moldability of the package. . 1 part by mass! .5 parts by mass is more preferable, and 0.2 parts by mass to ...! 0.0 parts by mass is more preferable.
- the sealing composition may further contain a release agent.
- the type of release agent is not particularly limited, and known release agents can be used. Specific examples include higher fatty acids, carnauba wax, montan wax, polyethylene wax and the like.
- the release agent may be used singly or in combination of two or more.
- the content of the release agent is the epoxy resin and the curing agent. It is preferably 10 mass% or less, and from the viewpoint of exerting its effect, it is preferably 0.5 mass% or more.
- the encapsulating composition may contain a colorant (such as strength carbon black). Further, the sealing composition may contain a modifier (silicone, silicone rubber, etc.) .. Each of the colorant and the modifier may be used alone or in combination of two or more.
- the conductive particles When conductive particles such as carbon black are used as the colorant, the conductive particles preferably have a content of particles having a particle diameter of 10 Mm or more of 1% by mass or less.
- the content of the conductive particles is preferably 3% by mass or less based on the total amount of the epoxy resin and the curing agent.
- the sealing composition may further contain other additives, if necessary.
- Other additives include flame retardants, anion exchangers, plasticizers and the like. Further, various additives well known in the art may be added to the composition, if necessary.
- the method for producing the encapsulating composition is not particularly limited, and a known method can be used.
- a sealing composition is prepared by thoroughly mixing a mixture of raw materials in a prescribed amount with a mixer or the like, then kneading them with a hot throat, an extruder or the like, and then cooling, pulverizing, etc. You can
- the state of the sealing composition is not particularly limited, and may be powder, solid, liquid or the like.
- a semiconductor device of the present disclosure includes: a semiconductor element; and a cured product of the sealing composition of the present disclosure obtained by sealing the semiconductor element.
- the method for sealing the semiconductor element with the sealing composition is not particularly limited, and a known method can be applied.
- a transfer molding method or the like is generally used, but a compression molding method, an injection molding method, a compression molding method or the like may be used.
- the semiconductor device of the present disclosure is suitable as an IC (Integrated Circuit, integrated circuit), LSI (Large Scale Integration, large-scale integrated circuit), and the like. ⁇ 02020/175669 31 ⁇ (: 17 2020/008 300
- the components shown below were premixed (dried) at the blending ratio (parts by mass) shown in Table 1, kneaded with a twin-screw doubler, and cooled and pulverized to produce a powdery sealing composition.
- Epoxy resin 8 1-1 first epoxy resin, an epoxy resin represented by the above general formula (2) (Min 1 and M 2 are both glycidyloxy groups, 1 is an ether bond, 3 1 and 32 are both Also 0, the door is 1), the epoxy group equivalent is “1 659/
- Epoxy resin 8 1 -2 Mixture of first epoxy resin and third epoxy resin, epoxy resin represented by the general formula (2) (wherein each of 1 and 2 is a glycidyloxy group, 1- 1 is a linking group represented by the structural formula (1), !_ 2 and !_ 3 are both phenylene groups, 3 1 and 32 are both 0 or 1, and n is 1) and the general formula (4) in represented by epoxy resin (Snake 1 and Snake 2 any glycidyl aryloxy group, 1_ 2 Fueniren group, 3 1 0 or 1) and a mixture of epoxy group equivalent "1 4_Rei 9/6"
- Epoxy resin 8-2-1 Second epoxy resin, Mitsubishi Chemical Corporation, product name " ⁇ 40001 ⁇ 1", epoxy group equivalent "1 92 9 /69", softening point "1 0 7 ° ⁇ ", biphenyl Type epoxy resin
- Epoxy resin 8 2-2 Second epoxy resin, Nittetsu Chemical & Materials Co., Ltd., product name " ⁇ 3 !_ ⁇ 7 ⁇ ", epoxy group equivalent
- Phenol resin 1 Triphenylmethane type phenol resin, air
- Curing accelerator ⁇ 1 Phosphorous curing accelerator (addition product of triptylphosphine and benzoquinone)
- Coupling agent port 1:8 methacryloxyoctyltrimethoxysilane, Shin-Etsu Chemical Co., Ltd., product name “ ⁇ M! ⁇ /1_5803”
- Pigment 1 Rikibon Black, Mitsubishi Chemical Co., Ltd., trade name "1 ⁇ /1 8 60"
- Additive ⁇ 1 Triphenylphosphine oxide, Kitako Chemical Co., Ltd., product name "Cho _50"
- Fila ⁇ 2 Alumina particles, Admatechs Co., Ltd., product name "Hachimi 200 ⁇ ", spherical, average particle size " ⁇ 0.7"
- Fila ⁇ 3 Alumina particles, Denka Co., Ltd., product name " ⁇ hami 10 03 ⁇ Ding 31", spherical, average particle size "1 ⁇ "
- the mold temperature was 1 75 ° ⁇
- the molding pressure was 6.9 IV! 3
- the curing time was 90 seconds.
- a test piece having the shape of was prepared. Then post cure 1
- the test was performed at 75° for 6 hours. Tensilon (8 & ⁇ companies) was used as the evaluation device, and a three-point support bending test based on “3- ⁇ -7 1 7 1 (201 6)” was performed at 260 ° ⁇ to determine the bending elasticity of the test piece. I asked for the rate.
- the bending elastic modulus is defined by the following formula, and the bending elastic modulus obtained by the measurement at 260° is referred to as “high temperature elastic modulus”.
- M is the bending elastic modulus.
- a test piece for thermal conductivity evaluation was prepared with a transfer molding machine under conditions of a mold temperature of 175°0 to 180°0, a molding pressure and a curing time of 300 seconds. did. Then, with respect to the molded test piece, the thickness direction ⁇ 02020/175669 34 ⁇ (: 171? 2020/008300
- the thermal diffusivity was measured by the laser flash method (apparatus: 1_8 467 ⁇ 3 ⁇ ⁇ Dry I 33, Mincho 231 0 to 1 company).
- the pulsed light irradiation was performed under the conditions of a pulse width of 0.31 (3) and an applied voltage of 247 V.
- the measurement was carried out at an ambient temperature of 25 ° ⁇ ⁇ 1 ° ⁇ .
- the density of the above test piece was measured using an electronic hydrometer (11 220, Shimadzu Corporation).
- the specific heat the theoretical specific heat of the sealing composition calculated from the literature value of the specific heat of each material and the compounding ratio was used.
- the value of thermal conductivity was obtained by multiplying the thermal diffusivity by the specific heat and density using Eq. (8).
- the encapsulating compositions of Examples 1 to 6 have cured products with higher thermal conductivity than the encapsulating compositions of Comparative Example 1 and Comparative Example 2 which do not contain the first epoxy resin. Further, the high temperature elastic moduli of the cured products of the sealing compositions of Examples 1 to 6 are the same as the high temperature elastic moduli of the cured products of the sealing compositions of Comparative Example 1 and Comparative Example 2. That is, the sealing compositions of Examples 1 to 6 have improved thermal conductivity in the cured product while suppressing the high temperature elastic modulus of the cured product to be low as compared with the sealing compositions of Comparative Example 1 and Comparative Example 2. You can see that
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- General Physics & Mathematics (AREA)
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- Engineering & Computer Science (AREA)
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Abstract
Description
Claims
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CN202080010590.XA CN113348192A (zh) | 2019-02-28 | 2020-02-28 | 密封组合物及半导体装置 |
JP2021502396A JP7582179B2 (ja) | 2019-02-28 | 2020-02-28 | 封止組成物及び半導体装置 |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06200126A (ja) * | 1993-01-06 | 1994-07-19 | Nippon Steel Chem Co Ltd | 半導体封止用低圧トランスファ成形材料 |
JPH0820628A (ja) * | 1994-07-07 | 1996-01-23 | Sumitomo Bakelite Co Ltd | 半導体封止用エポキシ樹脂組成物 |
JPH09176286A (ja) * | 1995-12-27 | 1997-07-08 | Toshiba Corp | エポキシ樹脂組成物及び樹脂封止型半導体装置 |
JP2002121260A (ja) * | 1999-10-06 | 2002-04-23 | Nitto Denko Corp | 半導体封止用樹脂組成物およびそれを用いた半導体装置ならびに半導体装置の製法 |
JP2004123847A (ja) * | 2002-09-30 | 2004-04-22 | Toray Ind Inc | エポキシ樹脂組成物及び半導体装置 |
-
2020
- 2020-02-28 WO PCT/JP2020/008300 patent/WO2020175669A1/ja active Application Filing
- 2020-02-28 CN CN202080010590.XA patent/CN113348192A/zh active Pending
- 2020-03-02 TW TW109106683A patent/TW202043321A/zh unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06200126A (ja) * | 1993-01-06 | 1994-07-19 | Nippon Steel Chem Co Ltd | 半導体封止用低圧トランスファ成形材料 |
JPH0820628A (ja) * | 1994-07-07 | 1996-01-23 | Sumitomo Bakelite Co Ltd | 半導体封止用エポキシ樹脂組成物 |
JPH09176286A (ja) * | 1995-12-27 | 1997-07-08 | Toshiba Corp | エポキシ樹脂組成物及び樹脂封止型半導体装置 |
JP2002121260A (ja) * | 1999-10-06 | 2002-04-23 | Nitto Denko Corp | 半導体封止用樹脂組成物およびそれを用いた半導体装置ならびに半導体装置の製法 |
JP2004123847A (ja) * | 2002-09-30 | 2004-04-22 | Toray Ind Inc | エポキシ樹脂組成物及び半導体装置 |
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