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. 12, 1991
Filed:
Dec. 21, 1988
Applicant:
Inventors:
Hiroaki Itoh, Tokyo, JP;
Kazuo Miwada, Tokyo, JP;
Assignee:
NEC Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C / ; H01L / ;
U.S. Cl.
CPC ...
377 60 ; 357 24 ;
Abstract
There is disclosed a charge transfer device including a semiconductor substrate, a charge transfer section formed on the semiconductor substrate for transferring charges, at least two regions formed in the semiconductor substrate via a PN-junction, one of said regions receiving the charges transferred through the charge transfer section and connected to an output terminal and at least one gate electrode formed on the semiconductor substrate between the regions via an insulator film to form a MOS transistor switch which is switched for controlling the sensitivity of the output stage and the dynamic range of the output signal.