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:
Jan. 01, 2019
Filed:
Oct. 16, 2017
Applicants:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Materials Co., Ltd., Yokohama-Shi, JP;
Inventors:
Shinichi Yamamoto, Fujisawa, JP;
Kayo Nakano, Yokohama, JP;
Hiromichi Horie, Yokosuka, JP;
Takashi Sano, Fujisawa, JP;
Yoshiko Minami, Machida, JP;
Satoshi Yamaguchi, Hachioji, JP;
Assignees:
Kabushiki Kaisha Toshiba, Minato-ku, JP;
Toshiba Materials Co., Ltd., Yokohama-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 27/04 (2006.01); B22F 3/10 (2006.01); C22C 1/04 (2006.01); C22C 43/00 (2006.01); H01J 23/05 (2006.01); C22F 1/18 (2006.01);
U.S. Cl.
CPC ...
C22C 27/04 (2013.01); B22F 3/1007 (2013.01); C22C 1/045 (2013.01); C22C 43/00 (2013.01); C22F 1/18 (2013.01); H01J 23/05 (2013.01);
Abstract
According to one embodiment, a tungsten alloy includes a W component and a Hf component including HfC. A content of the Hf component in terms of HfC is 0.1 wt % or more and 3 wt % or less.