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:
Nov. 06, 1979
Filed:
Jan. 31, 1978
Applicant:
Inventors:
Masataka Hirasawa, Ayase, JP;
Akira Hashimoto, Yokohama, JP;
Kenichi Nagao, Yokohama, JP;
Toshiaki Kobayashi, Yokohama, JP;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; G05F / ;
U.S. Cl.
CPC ...
323-8 ; 323 / ; 323 97 ; 357 42 ; 357 51 ;
Abstract
In a semiconductor substrate of a first conductivity type fixed at a predetermined potential are formed a plurality of resistive regions of a second conductivity type. The resistive regions are connected in series between first and second potential supply terminals, through equally divided potential taking-out electrodes formed on the substrate. The resistive regions are so formed as to be progressively decreased in length in the order that the potential difference between the resistive region and the substrate increases to cause the resistive regions to have the substantially equal resistance values.