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:
Feb. 04, 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 1/148 (2006.01); H01J 1/22 (2006.01); H01J 37/075 (2006.01); H01J 9/04 (2006.01);
U.S. Cl.
CPC ...
H01J 1/148 (2013.01); H01J 1/22 (2013.01); H01J 9/04 (2013.01); H01J 37/075 (2013.01); H01J 2237/06308 (2013.01);
Abstract
A thermionic cathode, an electron emission apparatus, and a method of fabricating the thermionic cathode are provided. The thermionic cathode includes an emitter. The emitter includes a lanthanum hexaboride (LaB) crystal having a crystallographic orientation of (310). The operating temperature of the thermionic cathode is greater than 1800 K.
Katsap, Victor. (2020). High-brightness lanthanum hexaboride cathode and method for manufacturing of cathode (U.S. Patent No. 10553388). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10553388
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile