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:
Mar. 17, 2020

Filed:

Dec. 16, 2016
Applicant:

Denso Corporation, Kariya, Aichi-pref., JP;

Inventors:

Makoto Noguchi, Kariya, JP;

Satoshi Suzuki, Kariya, JP;

Assignee:

DENSO CORPORATION, Kariya, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 27/12 (2006.01); G01M 15/10 (2006.01); F01N 11/00 (2006.01);
U.S. Cl.
CPC ...
G01N 27/12 (2013.01); G01M 15/102 (2013.01); G01N 27/125 (2013.01); F01N 11/007 (2013.01);
Abstract

An electrode for a sensor elementthat detects a specific substance in a gas to be measured, wherein the electrode is embedded in an insulating substrate having a detection face to which the specific substance adheres, the electrode being embedded in such a manner that a part of the electrode is exposed at the detection face, the electrode comprises an alloy of Pt and at least one metal selected from the group consisting of Rh, Ru, Ir, Os, and Pd, and granular voids dispersed among the alloy, and the content of the metal in the alloy is 40 mass % or less, and the number of the granular voids per unit volume of the electrode for a sensor element is 3/100 μmto 50/100 μm.


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