Patent · US Expired

Semiconductor device manufacture

US4023725A · kind A · utility

35Cited by
1References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 3, 1975
Grant dateMay 17, 1977
Priority date
Expiry dateMar 3, 1995

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/15787
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A method of bonding a semiconductor body to a supporting member where the whole back face of the semiconductor body is covered with a thin evaporated layer of chromium or titanium, which layer is then covered with a thin evaporated layer of rhodium, platinum or palladium, which is in turn bonded by a film of solder to the supporting member.

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