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:
Sep. 29, 1987
Filed:
Oct. 11, 1985
Applicant:
Inventor:
Joseph Dresner, Princeton Township, Mercer County, NJ (US);
Assignee:
RCA Corp., Princeton, NJ (US);
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
357-4 ; 357 232 ; 357 237 ; 357 16 ;
Abstract
A transistor has a superlattice in the channel region. The superlattice has alternate interleaved layers of undoped wide and narrow bandgap materials with the layers extending in a direction parallel to the channel region. Preferably a narrow band gap layer is adjacent a gate insulator to provide maximum increase in mobility.