Patent · US Expired

Plasma processing method for improving a package of a semiconductor device

US5147822A · kind A · utility

41Cited by
10References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 25, 1991
Grant dateSep 15, 1992
Priority date
Expiry dateFeb 25, 2011

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/181
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

An electronic device comprising a substrate having a frame, a metal lead and electronic parts in a bonding structure, and a molding of an organic resin formed on the substrate, wherein the surface of the organic resin is provided with a hardened water-resistant or carbonaceous film.

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