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:
Mar. 17, 2020
Filed:
Nov. 28, 2018
Applicants:
Nuflare Technology, Inc., Kanagawa, JP;
Nuflare Technology America, Inc., Sunnyvale, CA (US);
Inventor:
Victor Katsap, Cornwall, NY (US);
Assignees:
NuFlare Technology, Inc., Kanagawa, JP;
NuFlare Technology America, Inc., Sunnyvale, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H01J 9/04 (2006.01); H01J 1/14 (2006.01); H01J 37/065 (2006.01); H01J 1/15 (2006.01);
U.S. Cl.
CPC ...
H01J 9/04 (2013.01); H01J 1/14 (2013.01); H01J 1/15 (2013.01); H01J 37/065 (2013.01); H01J 2201/19 (2013.01); H01J 2237/06308 (2013.01);
Abstract
Thermionic cathodes and an electron emission apparatus are provided. The thermionic cathodes comprise perovskite material in crystal or sintered form. The thermionic cathodes provide strong electron emission at low operating temperatures.