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. 30, 1993
Filed:
Nov. 12, 1991
Applicant:
Inventors:
John P Phipps, Phoenix, AZ (US);
Stephen P Robb, Tempe, AZ (US);
Assignee:
Motorola, Inc., Schaumburg, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ; H01L / ;
U.S. Cl.
CPC ...
257620 ; 257494 ;
Abstract
A semiconductor structure having an edge termination feature wherein at least one guard ring is disposed in a substrate between a main device portion and the edge of the substrate. A dielectric layer is then disposed on the substrate and a plurality of diodes are disposed on the dielectric layer above the at least one guard ring. The at least one guard ring and the diodes are electrically coupled so that the potential of the guard rings may be fixed by the diodes and leakage is greatly reduced.