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. 17, 2017
Filed:
Jan. 06, 2017
Applicants:
Nuflare Technology, Inc., Yokohama-shi, JP;
Nuflare Technology America, Inc., Sunnyvale, CA (US);
Inventor:
Victor Katsap, Cornwall, NY (US);
Assignees:
NuFlare Technology, Inc., Yokohama-shi, JP;
NuFlare Technology America, Inc., Sunnyvale, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
H01J 1/148 (2006.01); C30B 29/66 (2006.01); C30B 29/10 (2006.01); B05D 3/06 (2006.01); H01J 9/04 (2006.01); B05D 3/04 (2006.01);
U.S. Cl.
CPC ...
C30B 29/66 (2013.01); B05D 3/06 (2013.01); C30B 29/10 (2013.01); H01J 9/042 (2013.01); B05D 3/048 (2013.01); H01J 1/148 (2013.01);
Abstract
A method to reduce the work function of a carbon-coated lanthanum hexaboride (LaB6) cathode wherein the exposed tip of the cathode is exposed to moisture between two heat treatments is provided. The work function may be reduced by 0.01 eV or more.