Patent · US Active

Liquid sealing material and electronic component using same

US9805998B2 · kind B2 · utility

4Cited by
0References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 15, 2013
Grant dateOct 31, 2017
Priority date
Expiry dateMay 15, 2033

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/0002
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The purpose of the present invention is to provide: a liquid sealing material which has excellent PCT (pressure cooker test) resistance; and an electronic component which is obtained by sealing a part to be sealed with use of the liquid sealing material. A liquid sealing material of the present invention contains (A) a liquid epoxy resin, (B) a curing agent, (C) a silica filler and (D) a coupling agent, and is characterized in that the boron content in the silica filler (C) has an average of 1-50 ppm.

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