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:
Sep. 21, 2021
Filed:
Feb. 14, 2020
Applicant:
Tosoh Corporation, Yamaguchi, JP;
Inventors:
Hitoshi Nagayama, Yamaguchi, JP;
Hajime Funakoshi, Yamaguchi, JP;
Hiroyuki Fujisaki, Yamaguchi, JP;
Takashi Tsukimori, Yamaguchi, JP;
Assignee:
TOSOH CORPORATION, Yamaguchi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B 35/488 (2006.01); C04B 111/82 (2006.01);
U.S. Cl.
CPC ...
C04B 35/4885 (2013.01); C04B 2111/82 (2013.01); C04B 2235/3272 (2013.01); C04B 2235/3277 (2013.01);
Abstract
A zirconia sintered body comprising 3.0 wt % or more and 30.0 wt % or less of aluminum in terms of AlOand a remainder is zirconia containing 2 mol % or more and 4 mol % or less of erbia, in which the zirconia sintered body includes grains of aluminum oxide, and a total light transmittance with respect to a D65 light source at a sample thickness of 1.0 mm is 10% or less.