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:
Apr. 21, 2026
Filed:
Dec. 08, 2022
Crystalline silicon carbide fiber and method for manufacturing same, and ceramic composite substrate
Applicant:
Ube Corporation, Ube, JP;
Inventors:
Mao Sumino, Ube, JP;
Kouichirou Suyama, Ube, JP;
Hideki Ozawa, Ube, JP;
Aki Ino, Ube, JP;
Tsutomu Kodama, Ube, JP;
Hiroyuki Yamaoka, Ube, JP;
Assignee:
UBE CORPORATION, Ube, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B 35/622 (2006.01); C04B 35/80 (2006.01);
U.S. Cl.
CPC ...
C04B 35/62281 (2013.01); C04B 35/80 (2013.01); C04B 2235/5244 (2013.01); C04B 2235/656 (2013.01); C04B 2235/658 (2013.01); C04B 2235/662 (2013.01); C04B 2235/785 (2013.01); C04B 2235/9607 (2013.01);
Abstract
Provided is a crystalline silicon carbide fiber containing silicon carbide, boron nitride, and zirconium carbide and having a content of Si of 64% by weight or more and a content of C of 28% by weight or more, in which the average particle size of SiC crystal grains is 100 nm or more.