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:
Mar. 22, 1983
Filed:
Sep. 26, 1979
Applicant:
Inventor:
Roland Sittig, Umiken, CH;
Assignee:
BBC Brown, Boveri & Company Limited, Baden, CH;
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
357 13 ; 357 38 ; 357 39 ; 357 55 ; 357 56 ;
Abstract
A semiconductor element having at least one pn junction and provided with zone guard rings for improving the suppression behavior of the pn junction, wherein the pn junction extends to the peripheral or side surface of the element and the first of a series of guard rings is coordinated with the pn junction and is bounded by the peripheral or side surface and by the lower planar surface of the element.