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. 06, 2020
Filed:
Sep. 16, 2019
Applicant:
E Beam Inc., Beaverton, OR (US);
Inventors:
Bernard K Vancil, Beaverton, OR (US);
Joseph Kowalski, Beaverton, OR (US);
Jereme Shaver, Beaverton, OR (US);
Assignee:
E BEAM INC., Beaverton, OR (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F03H 1/00 (2006.01); H05H 1/48 (2006.01);
U.S. Cl.
CPC ...
F03H 1/0012 (2013.01); F03H 1/0087 (2013.01); H05H 1/48 (2013.01);
Abstract
Plasma cathodes for micro Hall and ion thrusters of unprecedented power efficiency, low cost, compactness, are provided. The cathodes employ, for example, a very small planar scandate cathode as electron source, delivering over 350 ma of discharge from an emitter area as small as only 0.012 cm2.