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. 26, 2013
Filed:
Feb. 02, 2010
Applicants:
Sergio Lemaitre, Whitefish Bay, WI (US);
Julin Wan, Rexford, NY (US);
Sergiy Zalyubovsky, Niskayuna, NY (US);
Andrey Ivanovich Meshkov, Niskayuna, NY (US);
Inventors:
Sergio Lemaitre, Whitefish Bay, WI (US);
Julin Wan, Rexford, NY (US);
Sergiy Zalyubovsky, Niskayuna, NY (US);
Andrey Ivanovich Meshkov, Niskayuna, NY (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 35/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
The disclosed embodiments include embodiments such as an X-ray tube cathode filament system. The X-ray tube cathode filament system includes a substrate and a coating disposed on the substrate. In this cathode filament system, an electron beam is emitted from the coating but not from the substrate. The electron beam is produced through the use of the thermionic effect.