Patent · US Expired

Epoxy resin and adhesive composition containing the same

US5258139A · kind A · utility

3Cited by
6References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 19, 1991
Grant dateNov 2, 1993
Priority date
Expiry dateApr 19, 2011

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01B1/24
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An adhesive composition comprising (a) an epoxy resin obtained by reacting a 1,3-bis(dicarboxyphenyl)-1,1,3,3-tetrasubustituted 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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.