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. 07, 2023
Filed:
Aug. 21, 2019
Applicant:
Mitsubishi Materials Corporation, Tokyo, JP;
Inventors:
Takehiro Yonezawa, Naka, JP;
Miki Adachi, Tokyo, JP;
Assignee:
MITSUBISHI MATERIALS CORPORATION, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01C 7/00 (2006.01); H01C 17/28 (2006.01); H01C 1/14 (2006.01); H01C 1/142 (2006.01); H01C 17/065 (2006.01);
U.S. Cl.
CPC ...
H01C 7/008 (2013.01); H01C 1/14 (2013.01); H01C 1/142 (2013.01); H01C 17/06526 (2013.01); H01C 17/281 (2013.01);
Abstract
A thermistor has a thermistor element, a protective film, and an electrode portion. The protective film is formed of a SiOfilm having a film thickness in a range of 50 nm or more and 1000 nm or less. The protective film is formed in contact with the thermistor element. Alkali metal is unevenly distributed in a region including an interface between the thermistor element and the protective film.