Patent · US Expired

Method for the manufacture of a self-aligned metal contact

US4774206A · kind A · utility

26Cited by
11References
7Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 18, 1987
Grant dateSep 27, 1988
Priority date
Expiry dateMar 18, 2007

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S148/139
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

The manufacture of a self-aligned gate contact having a very short gate length measuring, for example, 0.3 to 0.1 micron wherein photolithography is carried out together with isotropic deposition to produce a gate contact having an extremely low lead resistance, the method utilizing a masking element which is removed by a lift-off technique.

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