The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 29, 1997
Filed:
Sep. 22, 1995
Applicant:
Inventors:
Minh V Le, Simi Valley, CA (US);
Jeff B Shealy, Thousand Oaks, CA (US);
Loi D Nguyen, Thousand Oaks, CA (US);
Assignee:
Hughes Electronics, Los Angeles, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
257280 ; 257473 ; 257744 ; 257761 ; 257763 ; 437184 ; 437185 ; 437190 ; 437192 ;
Abstract
A structure and method for making HEMTs with a gate metal having a layer comprising titanium, a layer comprising vanadium over the layer comprising titanium, and a layer comprising gold over the layer comprising vanadium. Such HEMTs are insensitive to hydrogen.