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.:
Date of Patent:
May. 28, 2019
Filed:
Aug. 07, 2017
Ngk Spark Plug Co., Ltd., Nagoya-shi, Aichi, JP;
Mina Sato, Singapore, SG;
Yoshinobu Hirose, Nagoya, JP;
Akira Seike, Komaki, JP;
Hisashi Kozuka, Ichinomiya, JP;
Yasuyuki Okimura, Inuyama, JP;
Kazushige Ohbayashi, Nagoya, JP;
NGK SPARK PLUG CO., LTD., Aichi, JP;
Abstract
A gas sensor including a conductive oxide sintered body, the sintered body including a crystal phase having a perovskite-type oxide crystal structure represented by a compositional formula: RECuFeNiOwherein RE represents a rare earth element, wherein the following conditions: a+b+c+d=1 and 1.25≤x≤1.75 are satisfied, and wherein a, b, c, and d satisfy the following conditions: 0.375≤a≤0.524; 0.050<b≤0.200; 0.025≤c≤0.250; and 0.150≤d≤0.350. Also disclosed is a conductive oxide sintered body, a wiring board including a conductor layer formed of the conductive oxide sintered body and a gas sensor including an electrode formed of the conductive oxide sintered body.