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:
Jun. 23, 2020

Filed:

Oct. 26, 2015
Applicant:

Robert Bosch Gmbh, Stuttgart, DE;

Inventors:

Markus Widenmeyer, Schoenaich, DE;

Richard Fix, Weil im Schoenbuch, DE;

Martin Schreivogel, Stuttgart, DE;

Assignee:

Robert Bosch GmbH, Stuttgart, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N 27/22 (2006.01); G01N 27/00 (2006.01); G01N 33/00 (2006.01);
U.S. Cl.
CPC ...
G01N 27/227 (2013.01); G01N 27/002 (2013.01); G01N 27/221 (2013.01); G01N 27/226 (2013.01); G01N 33/004 (2013.01); G01N 2027/222 (2013.01);
Abstract

A sensor is configured to measure the carbon dioxide concentration in a gas mixture. The sensor has a dielectric layer arranged between a layer-like first electrode and a layer-like second electrode. The second electrode is a composite electrode that has at least one carbonate and/or one phosphate as first material and at least one metal as second material. This sensor can be manufactured by a method comprising applying a layer-like first electrode to a substrate, applying a dielectric layer to the first electrode, and applying a layer-like second electrode to the dielectric layer. The second electrode is applied as a composite electrode that has at least one carbonate and/or one phosphate as first material and has at least one second material that has an electrical conductivity of more than 10-2 S/m.


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