Patent · US Expired

Semiconductor devices

US4106051A · kind A · utility

14Cited by
4References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 22, 1975
Grant dateAug 8, 1978
Priority date
Expiry dateJan 22, 1995

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S148/147
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A semiconductor device having an ohmic contact including a metal layer of molybdenum or tungsten on a first polycrystalline silicon layer, is provided with a second polycrystalline silicon layer on the metal layer, to prevent the subsequent oxidation of the metal layer.

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