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. 21, 2024
Filed:
May. 21, 2020
Applicant:
Sumitomo Osaka Cement Co., Ltd., Tokyo, JP;
Inventors:
Assignee:
SUMITOMO OSAKA CEMENT CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/68 (2006.01); C04B 35/505 (2006.01); C04B 35/565 (2006.01); C04B 35/645 (2006.01); H01J 37/32 (2006.01); H01L 21/683 (2006.01); H01L 21/687 (2006.01);
U.S. Cl.
CPC ...
H01L 21/6833 (2013.01); C04B 35/505 (2013.01); C04B 35/565 (2013.01); C04B 35/645 (2013.01); H01J 37/32724 (2013.01); H01L 21/68757 (2013.01); C04B 2235/549 (2013.01); H01J 2237/334 (2013.01);
Abstract
A composite sintered body including: a metal oxide as a main phase; silicon carbide as a sub-phase; and silicate of a metal element that is included in the metal oxide, in which the average aggregation diameter of the silicate in the field of view of 600 μmat a magnification of 1000 times is 5 μm or lower.