Patent · US Expired

Curing accelerator, epoxy resin composition, and semiconductor device

US7074738B2 · kind B2 · utility

3Cited by
9References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 4, 2003
Grant dateJul 11, 2006
Priority date
Expiry dateNov 22, 2023

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31511
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A curing accelerator which is suitable for various curable resin compositions, an epoxy resin composition having excellent curability, storage stability and fluidity, and a semiconductor device having excellent solder cracking resistance and moisture resistance reliability are provided. The epoxy resin composition includes a compound (A) having two or more epoxy groups in one molecule, a compound (B) having two or more phenolic hydroxyl groups in one molecule, trisubstituted phosphoniophenolate or a salt thereof as a curing accelerator (C), and an inorganic filler (D).

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