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. 08, 1980
Filed:
Jan. 31, 1978
Applicant:
Inventors:
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
357 51 ; 357 42 ; 357 48 ; 357 86 ; 357 89 ;
Abstract
In a first conductivity type semiconductor substrate a plurality of second conductivity type regions are formed. First conductivity type resistivity regions are formed in the second conductivity type regions, respectively. The first conductivity type resistive regions are connected in series between power source terminals, through at least one divided potential taking-out electrode.