Patent · US Expired

Method of forming wirings

US6268290A · kind A · utility

9Cited by
13References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 27, 1994
Grant dateJul 31, 2001
Priority date
Expiry dateMay 27, 2014

Classification

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

Abstract

A method of forming wirings which comprises forming a film of a silicon-containing metal layer at a high temperature on an underlying metals, thereby forming a silicon alloy layer comprising the underlying metal and the silicon-containing metal during film formation. In a case of forming wirings by a silicon-containing metal layer occurrence of Si nodules can be eliminated to obtain wirings of high reliability.

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