Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1993-06-17
1994-09-27
Marquis, Melvyn I.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525458, 528 27, 528 29, 549214, 549215, 523435, 523458, 252511, 252514, 252500, 437187, C08F28300
Patent
active
053508114
ABSTRACT:
An adhesive composition comprising (a) an epoxy resin obtained by reacting a 1,3-bis(dicarboxyphenyl)-1,1,3,3-tetrasubstituted disiloxane dianhydride with an alcohol or alcohol derivative, followed by reaction with an epoxy compound having two or more epoxy groups, or an epoxy resin obtained by reacting a 1,3-bis(dicarboxyphenyl)-1,1,3,3-tetrasubstituted disiloxane with an epoxy compound having two or more epoxy groups and (b) a curing agent is suitable for bonding semiconductor chips to a copper frame with a small warpage of the chips.
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Fujita Kohei
Ichimura Nobuo
Kawasumi Masao
Kikuchi Tohru
Miyamoto Yasuo
Gulakowski Randy
Hitachi Chemical Co. Ltd.
Marquis Melvyn I.
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