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:
Aug. 13, 2013
Filed:
Oct. 05, 2010
Liang Tang, Waukesha, WI (US);
Eric Bruce Biehr, Milwaukee, WI (US);
Richard Michael Roffers, MenomoneeFalls, WI (US);
Kalyan Koppisetty, Milwaukee, WI (US);
Liang Tang, Waukesha, WI (US);
Eric Bruce Biehr, Milwaukee, WI (US);
Richard Michael Roffers, MenomoneeFalls, WI (US);
Kalyan Koppisetty, Milwaukee, WI (US);
General Electric Company, Schenectady, NY (US);
Abstract
In one embodiment, an X-ray tube includes an electron beam source including a primary cathode configured to emit an electron beam and an anode assembly including an anode configured to receive the electron beam and to emit X-rays when impacted by the electron beam. The X-ray tube also includes an enclosure, at least the primary cathode and the anode being disposed in the enclosure, and a secondary cathode disposed in the enclosure and configured to emit electrons to impact the anode for degassing the enclosure.