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. 09, 1996
Filed:
Aug. 25, 1994
Applicant:
Inventor:
Tsukasa Ohoka, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
257489 ; 257459 ; 257488 ;
Abstract
A semiconductor device where an aluminum electrode surrounds an output electrode of an element, is provide by a detector electrode formed on a ring shaped space between the output electrode and the aluminum electrode. Sliding of the aluminum electrode toward the output electrode which occurs in an aging degradation, is detected by contact between the aluminum electrode and the detector electrode.