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. 11, 1978
Filed:
Aug. 20, 1976
Applicant:
Inventors:
Armand P Ferro, Schenectady, NY (US);
Bruno F Kurz, deceased, late of Schenectady, NY (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ;
U.S. Cl.
CPC ...
148187 ; 29574 ; 29578 ; 148175 ; 148190 ; 357 13 ; 357 20 ; 357 90 ;
Abstract
Zener diodes of selectively variable breakdown voltages ranging from a few voltages to several hundred volts are fabricated in monolithic integrated circuits by locating the edge of a P-N junction at the surface of a substrate within the gradient region of P-type diffusion. Methods for making the same are also described.