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:
Aug. 27, 2019

Filed:

Oct. 15, 2015
Applicant:

Amotech Co., Ltd., Incheon, KR;

Inventors:

Yeon-Soo Chung, Incheon, KR;

Kil Jin Park, Incheon, KR;

Sung-Jin Hong, Gyeonggi-do, KR;

Soo-Min Oh, Seoul, KR;

Eun-Ji Kim, Incheon, KR;

Assignee:

AMOTECH CO., LTD., Incheon, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 27/407 (2006.01); F01N 11/00 (2006.01); G01N 27/406 (2006.01);
U.S. Cl.
CPC ...
G01N 27/4071 (2013.01); F01N 11/00 (2013.01); G01N 27/4067 (2013.01); G01N 27/4073 (2013.01); G01N 27/4075 (2013.01); F01N 2560/025 (2013.01); F01N 2560/20 (2013.01); Y02T 10/47 (2013.01);
Abstract

Provided is a flat plate-type oxygen sensor element. The flat plate-type oxygen sensor element according to an exemplary embodiment of the present invention includes: a first electrolyte layer having a sensing electrode exposed to a target gas; a second electrolyte layer on which a reference electrode is disposed; and a heating unit having a heating resistor surrounded by an insulating layer and disposed between the sensing electrode and the reference electrode, wherein the heating unit is disposed so that the heating resistor is located at a position ranging from 40 to 60% of a total height from an upper surface of the first electrolyte layer to a lower surface of the second electrolyte layer.


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