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:
May. 29, 1990
Filed:
May. 09, 1989
Applicant:
Inventor:
Kiminori Hayano, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ; H03K / ;
U.S. Cl.
CPC ...
357 236 ; 357 41 ; 3072968 ;
Abstract
A MOS type semiconductor device forming an insulated gate field effect transistor and a potential stabilizing circuit connected between power voltage supply lines is disclosed. The potential stabilizing circuit includes first and second MOS type capacitors connected in series each other, and the dielectric film of each of the MOS type capacitors has the same thickness and is made of the same material as the gate insulating film of the transistor.