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:
Oct. 07, 2025
Filed:
Aug. 28, 2020
Applicant:
Kobelco Research Institute, Inc., Hyogo, JP;
Inventors:
Kenji Koga, Kobe, JP;
Toshiaki Takagi, Kobe, JP;
Fumiaki Kudo, Kobe, JP;
Tatsuhiko Kusamichi, Kobe, JP;
Assignee:
KOBELCO RESEARCH INSTITUTE, INC., Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22F 3/10 (2006.01); B22F 9/04 (2006.01); C22C 5/04 (2006.01); C30B 29/52 (2006.01); H01J 1/146 (2006.01); H01J 1/304 (2006.01); H01J 1/34 (2006.01); H01J 9/02 (2006.01); H01J 9/04 (2006.01); H01J 9/12 (2006.01);
U.S. Cl.
CPC ...
H01J 1/146 (2013.01); B22F 3/10 (2013.01); B22F 9/04 (2013.01); C22C 5/04 (2013.01); C30B 29/52 (2013.01); H01J 1/304 (2013.01); H01J 1/34 (2013.01); H01J 9/025 (2013.01); H01J 9/042 (2013.01); H01J 9/12 (2013.01); B22F 2301/25 (2013.01);
Abstract
The cathode member for electron beam generation of the present disclosure includes: 95% by area or more of a single phase or two phases of a compound composed of iridium and cerium. A total content of one or more subcomponents of metallic iridium and an oxide of one or more elements of iridium and cerium is 5% by area or less of the cathode member.