Patent · US Expired

Method and means for passivation and isolation in semiconductor devices

US4017887A · kind A · utility

26Cited by
6References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 20, 1974
Grant dateApr 12, 1977
Priority date
Expiry dateDec 20, 1994

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S257/919
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

The use of ion implantation to produce low concentrations of chromium, oxygen or iron in a gallium arsenide junction type semiconductor, utilizing the accompanying low resistivity to provide an improved device.

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