Patent · US Expired

Semiconductor device having two-level wiring

US5218232A · kind A · utility

31Cited by
6References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 24, 1991
Grant dateJun 8, 1993
Priority date
Expiry dateMay 24, 2011

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S148/02
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

A semiconductor device, wherein an electrode wiring, which is in contact with semiconductor layers of mutually different conductive types and serves to connect at least the layers of mutually different conductive types, comprises a first portion principally composed of the same component as the principal component of the semiconductor layers, and a second portion consisting of a metal.

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