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. 15, 1986
Filed:
Oct. 12, 1984
Applicant:
Inventor:
Peter E Norris, Cambridge, MA (US);
Assignee:
GTE Laboratories Incorporated, Waltham, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
357 22 ; 357 16 ; 357 61 ;
Abstract
An enhanced mobility buried channel transistor structure in which the quasi-two-dimensional electron gas (2DEG) which forms the conducting channel in the structure is removed from the proximity of the heterointerface, and is placed in a region remote therefrom. A 'tapered' layer of Al.sub.x Ga.sub.1-x As is provided, where x varies from maximum to minimum as the interface with an undoped layer of GaAs is approached.