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. 21, 2017
Filed:
Apr. 09, 2010
Applicants:
Eberhard Neuser, Wunstorf, DE;
Andreas Schmitt, Wunstorf, DE;
Wolfgang Sperner, Wunstorf, DE;
Inventors:
Assignee:
GE Sensing and Inspection Technologies GMBH, Huerth, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 35/00 (2006.01); H01J 35/06 (2006.01); H01J 1/16 (2006.01); H01J 35/14 (2006.01);
U.S. Cl.
CPC ...
H01J 35/06 (2013.01); H01J 1/16 (2013.01); H01J 35/14 (2013.01);
Abstract
A cathode element for a microfocus x-ray tube includes a heatable filament formed of a wire for thermionic emission of electrons for generating an electron beam. The filament, in a source area of the electron beam, has an elongate extension in two directions perpendicular to the electron beam.