Patent · US Expired

Asymmetric semiconductor device having dual work function gate and method of fabrication

US6630720B1 · kind B1 · utility

51Cited by
28References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 26, 2001
Grant dateOct 7, 2003
Priority date
Expiry dateJan 25, 2022

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D86/201
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

An asymmetric semiconductor device and a method of making a pair of the asymmetric devices. The semiconductor device includes a layer of semiconductor material having a source and a drain, and a dual work function gate disposed on the layer of semiconductor material to define a channel interposed between the source and the drain.

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