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. 04, 2008
Filed:
Mar. 08, 2005
Applicants:
Koichi Fujita, Aichi, JP;
Masatoshi Ueki, Aichi, JP;
Hitoshi Yokoi, Aichi, JP;
Inventors:
Assignee:
NGK Spark Plug Co., Ltd., Aichi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01C 3/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A platinum temperature sensor incorporating an evaporation-suppressing layer containing platinum in the vicinity of the platinum thin-film resistor of the sensor. The evaporation-suppressing layer is preferably positioned between the platinum resistor and a porous layer that is formed close to the platinum resistor and in contact with the evaporation-suppressing layer.