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. 30, 1991
Filed:
Apr. 11, 1988
Applicant:
Inventor:
Masafumi Shimbo, Tokyo, JP;
Assignee:
Seiko Instruments Inc., , JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ; H01L / ; H01L / ;
U.S. Cl.
CPC ...
357 232 ; 357 2315 ; 357 16 ; 437132 ;
Abstract
An insulated gate semiconductor device comprises a channel region of compound semiconductor of one conductivity type, source and drain regions of the other conductivity type spaced apart by the channel region, a gate insulation film provided on the channel region, a gate electrode provided on the insulating film and a silicon monocrystal thin film having a thickness of 100 atoms or less inserted between the channel region and the gate insulation film.