Patent · US Expired

Compound semiconductor device and method of manufacturing the same

US6274893A · kind A · utility

27Cited by
6References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 11, 1999
Grant dateAug 14, 2001
Priority date
Expiry dateJun 11, 2019

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH10D62/221

Abstract

The impurity concentration contained in a layer on an electron supply layer of a high electron mobility field effect transistor is set in the range of 1.times.10.sup.16 to 1.times.10.sup.17 atoms/cm.sup.3, or the bandgap of a Schottky layer is set wider than that of the electron supply layer.

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