Patent · US Expired

Method for manufacturing an electrical interconnection by selective tungsten deposition

US4517225A · kind A · utility

42Cited by
2References
24Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 2, 1983
Grant dateMay 14, 1985
Priority date
Expiry dateMay 2, 2003

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01L2924/0002
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A structure for an electrical interconnection suitable for a semiconductor integrated circuit is made by a process utilizing selective tungsten deposition at low pressure to form an intermediate conductive layer without significantly ablating nearby insulating material.

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