Patent · US Expired

Heterojunction field effect transistor and method of fabricating the same

US6144048A · kind A · utility

19Cited by
8References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 23, 1999
Grant dateNov 7, 2000
Priority date
Expiry dateDec 23, 2019

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D64/411
  • WIPO fieldSemiconductors
  • WIPO sectorElectrical engineering

Abstract

A Schottky barrier layer in separate regions between a source electrode and a gate electrode and between a drain electrode and the gate electrode is completely covered with an etching stopper layer. The gate electrode is separated from a cap layer.

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