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:
Jul. 02, 2024
Filed:
Feb. 08, 2019
Applicant:
Mitsui Mining & Smelting Co., Ltd., Tokyo-to, JP;
Inventors:
Hitoshi Kajino, Omuta, JP;
Shoji Imaura, Omuta, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 32/921 (2017.01); C01B 32/914 (2017.01); H01L 29/16 (2006.01);
U.S. Cl.
CPC ...
C01B 32/921 (2017.08); C01B 32/914 (2017.08); C01P 2006/10 (2013.01); C01P 2006/16 (2013.01); C01P 2006/37 (2013.01); C01P 2006/80 (2013.01); H01L 29/1608 (2013.01);
Abstract
Out of sintered metal carbides having an extremely high melting point, there is provided a sintered metal carbide which can be produced without having to perform sintering under high pressure such as hot pressing or HIP, having a high relative density and excellent mechanical strength. A sintered metal carbide of at least one metal selected from the group consisting of elements of Groups 4 and 5 of the periodic table, wherein the sintered metal carbide contains Si element of 0.1 wtppm or more and 10,000 wtppm or less.