EP0475655A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Anisotropic conductive adhesive compositions
Assignee: Soken Kagaku KK
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Filing: 1991-09-02
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Granted: —
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Expires: 2011-09-02
Abstract
Abstract An anisotropic conductive adhesive composition comprising an insulating adhesive component and particles dispersed in said insulating adhesive component, said anisotropic conductive adhesive composition being characterized in that said insulating adhesive component comprises a copolymer of acrylic ester having an alkyl group of 1-4 carbon atoms and a maleimide derivative, 5 to 60 parts by weight, based on 100 parts by weight of the copolymer, of a thermosetting resin, and 0.05 to 5.0 parts by weight, based on 100 parts by weight of the copolymer, of a coupling agent, and said particles are metallic-layer containing particles comprising a core made of resin, a metallic layer covering said core and a resin layer formed from finely divided resin fixed by the dry blending method on the surface of said metallic layer.
Inventors
- 👤 Hidemoto Fukuzawa
- 👤 Yasuhiro Okada
- 👤 Tatsuhiro Imai
- 👤 Noriyuki Ousaka
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-09 17:45
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/30; H05K3/32; H05K3/321; H05K3/323; C; C08; C08K; C08K9/00; C08K9/08; C08K9/10; C09; C09J; C09J133/00; C09J133/04; C09J133/06; C09J133/08; H01; H01B; H01B1/00; H01B1/20; H01B1/22; C08L; C08L2666/00; C08L2666/02; C08L2666/14; H05K2201/00; H05K2201/02; H05K2201/0203; H05K2201/0206; H05K2201/0221; H05K2201/0224; H05K2201/0233; H05K3/36; H05K3/361
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
129 words
An anisotropic conductive adhesive composition comprising an insulating adhesive component and particles dispersed in said insulating adhesive component, said anisotropic conductive adhesive composition being characterized in that said insulating adhesive component comprises a copolymer of acrylic ester having an alkyl group of 1-4 carbon atoms and a maleimide derivative, 5 to 60 parts by weight, based on 100 parts by weight of the copolymer, of a thermosetting resin, and 0.05 to 5.0 parts by weight, based on 100 parts by weight of the copolymer, of a coupling agent, and said particles are metallic-layer containing particles comprising a core made of resin, a metallic layer covering said core and a resin layer formed from finely divided resin fixed by the dry blending method on the surface of said metallic layer.
Claim 2
Dependent Claim
129 words
An anisotropic conductive adhesive composition comprising an insulating adhesive component and particles dispersed in said insulating adhesive component, said anisotropic conductive adhesive composition being characterized in that said insulating adhesive component comprises a copolymer of acrylic ester having an alkyl group of 1-4 carbon atoms and a maleimide derivative, 5 to 60 parts by weight, based on 100 parts by weight of the copolymer, of a thermosetting resin, and 0.05 to 5.0 parts by weight, based on 100 parts by weight of the copolymer, of a coupling agent, and said particles are metallic-layer containing particles comprising a core made of resin, a metallic layer covering said core and a resin layer formed from finely divided resin fixed by the dry blending method on the surface of said metallic layer.
Claim 3
Dependent Claim
50 words
The anisotropic conductive adhesive composition as claimed in claim 1 wherein the amount of recurring units derived from the maleimide derivative contained in the copolymer is 0.5 to 10.0 parts by weight based on 100 parts by weight of the recurring units derived from acrylic ester contained in said copolymer.
Claim 4
Dependent Claim
29 words
The anisotropic conductive adhesive composition as claimed in claim 1 wherein the finely divided resin constituting the resin layer of the metallic layer containing particles is finely divided fluororesin.
Claim 5
Dependent Claim
155 words
An anisotropic conductive adhesive composition comprising an insulating adhesive component, particles dispersed in said insulating adhesive component and inorganic particles, said anisotropic conductive adhesive composition being characterized in that said insulating adhesive component comprises a copolymer of acrylic ester having an alkyl group of 1-4 carbon atoms and a maleimide derivative, 5 to 60 parts by weight, based on 100 parts by weight of the copolymer, of a thermosetting resin, and 0.05 to 5.0 parts by weight, based on 100 parts by weight of the copolymer, of a coupling agent, and said particles are metallic-layer containing particles comprising a core made of resin, a metallic layer covering said core and a resin layer formed from finely divided resin fixed by the dry blending method on the surface of said metallic layer, and said inorganic particles have an average particle diameter of not more than 1/10 of the average particle diameter of said metallic-layer containing particles.
Claim 6
Dependent Claim
155 words
An anisotropic conductive adhesive composition comprising an insulating adhesive component, particles dispersed in said insulating adhesive component and inorganic particles, said anisotropic conductive adhesive composition being characterized in that said insulating adhesive component comprises a copolymer of acrylic ester having an alkyl group of 1-4 carbon atoms and a maleimide derivative, 5 to 60 parts by weight, based on 100 parts by weight of the copolymer, of a thermosetting resin, and 0.05 to 5.0 parts by weight, based on 100 parts by weight of the copolymer, of a coupling agent, and said particles are metallic-layer containing particles comprising a core made of resin, a metallic layer covering said core and a resin layer formed from finely divided resin fixed by the dry blending method on the surface of said metallic layer, and said inorganic particles have an average particle diameter of not more than 1/10 of the average particle diameter of said metallic-layer containing particles.
Claim 7
Dependent Claim
39 words
The anisotropic conductive adhesive composition as claimed in claim 4 wherein the metallic-layer containing particles have an average particle diameter of 1 to 50 f..lm, and the inorganic particles have an average particle diameter of 0.01 to 5.0 µm.
Claim 8
Dependent Claim
51 words
The anisotropic conductive adhesive composition as claimed in claim 4 wherein the amount of the recurring units derived from the maleimide derivative contained in the copolymer is 0.5 to 10.0 parts by weight based on 100 parts by weight of the recurring units derived from acrylic ester contained in said copolymer.
Claim 9
Dependent Claim
28 words
The anisotropic conductive adhesive composition as claimed in claim 4 wherein the finely divided resin constituting the resin layer of the metal containing particles is finely divided fluororesin.
References Cited (Backward Citations)
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