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.

Date of Patent:
Sep. 10, 2019

Filed:

Mar. 07, 2017
Applicant:

Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;

Inventors:

Zhiqiang Wei, Osaka, JP;

Kazunari Homma, Kyoto, JP;

Satoru Fujii, Osaka, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 27/12 (2006.01); G01N 33/00 (2006.01); H01M 8/04082 (2016.01); H01M 8/0438 (2016.01); H01M 8/04664 (2016.01); B60L 58/30 (2019.01); H01M 8/20 (2006.01);
U.S. Cl.
CPC ...
G01N 27/125 (2013.01); B60L 58/30 (2019.02); G01N 33/005 (2013.01); G01N 33/0062 (2013.01); H01M 8/04201 (2013.01); H01M 8/04425 (2013.01); H01M 8/04686 (2013.01); H01M 2250/20 (2013.01); Y02T 90/32 (2013.01);
Abstract

A gas sensor includes: a first conductive layer; a second conductive layer including a first region having a first thickness and a second region having a second thickness larger than the first thickness; a metal oxide layer disposed between the first conductive layer and the second conductive layer, the metal oxide layer including a bulk region and a local region surrounded by the bulk region, a degree of oxygen deficiency of the local region being higher than that of the bulk region; and an insulation layer covering the first conductive layer, the second region of the second conductive layer, and the metal oxide layer and not covering the first region of the second conductive layer.


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