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. 15, 1983
Filed:
Apr. 23, 1982
Applicant:
Inventors:
Akio Takami, Nagoya, JP;
Tsutomu Saito, Nagoya, JP;
Toshifumi Sekiya, Nagoya, JP;
Hideki Kudo, Nagoya, JP;
Assignee:
NGK Spark Plug Co., Ltd., Aichi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
338 34 ; 1741 / ; 338322 ;
Abstract
A gas sensing element having an oxide semiconductor element is provided with lead wires partially embedded therein. The lead wires are formed of a nickel core and a cover layer of at least 5.mu. in thickness and made of platinum or platinum alloy containing from 1 to 10 percent low catalytic metal.