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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.:

US 10473615 B1

PDFFull Text
Date of Patent:
Nov. 12, 2019

Filed:

Oct. 21, 2015

Porous protective layer for gas sensor, method for producing same, and gas sensor comprising same

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:

Masuvalley & Partners

Primary Examiner:

Luan V Van

Assistant Examiner:

Steven E Rosenwald

Int. Cl.
CPC ...
G01N 27/407 (2006.01); F01N 11/00 (2006.01); G01N 27/12 (2006.01); G01N 27/26 (2006.01); C04B 35/48 (2006.01); C04B 35/622 (2006.01); C04B 35/626 (2006.01); C04B 35/634 (2006.01); C04B 35/64 (2006.01); C04B 38/06 (2006.01); G01N 27/406 (2006.01);
U.S. Cl.
CPC ...
G01N 27/4077 (2013.01); C04B 35/48 (2013.01); C04B 35/6261 (2013.01); C04B 35/62222 (2013.01); C04B 35/6342 (2013.01); C04B 35/64 (2013.01); C04B 38/067 (2013.01); C04B 38/068 (2013.01); F01N 11/00 (2013.01); G01N 27/12 (2013.01); G01N 27/26 (2013.01); G01N 27/4067 (2013.01); C04B 2235/3225 (2013.01); C04B 2235/3244 (2013.01); C04B 2235/3246 (2013.01); C04B 2235/5436 (2013.01); C04B 2235/6567 (2013.01); F01N 2560/00 (2013.01); Y02T 10/47 (2013.01);
Abstract

Provided is a method of manufacturing a porous protective layer for a gas sensor. The porous protective layer according to one Example of the present invention is manufactured by a method of manufacturing a porous protective layer for a gas sensor including (1) a step of introducing a composition for forming a porous protective layer including a pore former and a ceramic powder, which includes particles having a degree of deformation of 1.5 or more expressed by the following Relational Formula 1 according to the present invention, onto a sensing electrode for a gas sensor, and (2) a step of sintering the introduced composition for forming a porous protective layer.

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