Patent · US Expired

Epoxy resin composition for encapsulation of semiconductors

US5756564A · kind A · utility

5Cited by
2References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 25, 1997
Grant dateMay 26, 1998
Priority date
Expiry dateFeb 25, 2017

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/0002
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

To provide an epoxy resin composition for encapsulation of semiconductors, which is superior in curability and can yield a cured product having low moisture absorption. The epoxy resin composition comprises the following components (a), (b), (c), and (d): PA1 (a) Epoxy resin PA1 (b) Epoxy resin hardener comprising a partially aromatic-esterified phenol aralkyl resin having a conversion of esterification of 10 to 90 mol % as the main component PA1 (c) Silica powder filler PA1 (d) Cure accelerator.

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