Patent · US Expired

Semiconductor device encapsulant

US5258426A · kind A · utility

18Cited by
6References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 20, 1990
Grant dateNov 2, 1993
Priority date
Expiry dateFeb 20, 2010

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31721
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A semiconductor device encapsulant contains (a) a thermosetting resin for providing a cured product having a glass transition temperature of not less than 190.degree. C., (b) a filler consisting of a fused silica, (c) a modifier consisting of an MBS or ABS, (d) a modifier consisting of a silicone rubber or a silicone gel, and (e) a lubricant containing a metal chelate compound.

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