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:
Dec. 27, 2022
Filed:
Jul. 31, 2019
Applicant:
Tosoh Corporation, Yamaguchi, JP;
Inventors:
Assignee:
TOSOH CORPORATION, Yamaguchi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 35/488 (2006.01); C04B 35/49 (2006.01); C04B 35/645 (2006.01);
U.S. Cl.
CPC ...
C04B 35/49 (2013.01); C04B 35/4885 (2013.01); C04B 35/645 (2013.01); C04B 2235/3222 (2013.01); C04B 2235/3232 (2013.01); C04B 2235/3246 (2013.01); C04B 2235/3272 (2013.01); C04B 2235/3275 (2013.01); C04B 2235/656 (2013.01); C04B 2235/663 (2013.01); C04B 2235/664 (2013.01); C04B 2235/786 (2013.01); C04B 2235/9661 (2013.01);
Abstract
A sintered body includes a solid solution containing cobalt and iron, with the balance being zirconia. The total content of cobalt in terms of CoO and iron in terms of FeOis more than 0.1 wt % and less than 3.0 wt %, and the proportion of cobalt regions larger than 5.5 μmin an elemental map obtained using an electron probe microanalyzer is 25% or less.