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:
Feb. 19, 1991
Filed:
Dec. 06, 1988
Applicant:
Inventors:
Arthur E Geissberger, Roanoke, VA (US);
Robert A Sadler, Roanoke, VA (US);
Gregory E Menk, Roanoke, VA (US);
Matthew L Balzan, Roanoke, VA (US);
Assignee:
ITT Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
357 16 ; 357 22 ; 357 232 ; 357 15 ;
Abstract
A new GaAs FET structure is provided by a process which provides a GaAs channel between AlGaAs layers and wherein the GaAs channel has a higher active carrier concentration than either adjacent AlGaAs layer.