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. 31, 2022
Filed:
Mar. 22, 2019
Applicant:
Sumitomo Osaka Cement Co., Ltd., Tokyo, JP;
Inventors:
Nobuhiro Hidaka, Tokyo, JP;
Naoto Kimura, Tokyo, JP;
Assignee:
SUMITOMO OSAKA CEMENT CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 35/117 (2006.01); C04B 35/505 (2006.01); H01L 21/683 (2006.01); C04B 35/626 (2006.01); C04B 35/645 (2006.01);
U.S. Cl.
CPC ...
C04B 35/117 (2013.01); C04B 35/505 (2013.01); C04B 35/6265 (2013.01); C04B 35/62625 (2013.01); C04B 35/645 (2013.01); H01L 21/6833 (2013.01); C04B 2235/3826 (2013.01); C04B 2235/549 (2013.01); C04B 2235/785 (2013.01); C04B 2235/85 (2013.01);
Abstract
A ceramic composite sintered body, including: a metal oxide as a main phase, and silicon carbide as a sub-phase, in which crystal grains of the silicon carbide are dispersed in crystal grains of the metal oxide and at crystal grain boundaries of the metal oxide, and an average crystal grain size of the silicon carbide dispersed at the crystal grain boundaries of the metal oxide is 0.30 μm or less.