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. 27, 2020
Filed:
May. 01, 2019
Applicant:
GE Precision Healthcare Llc, Wauwatosa, WI (US);
Inventors:
Donald Robert Allen, Waukesha, WI (US);
Sandhya Dammu, West Milwaukee, WI (US);
Andrew Marconnet, West Milwaukee, WI (US);
Gregory Steinlage, West Milwaukee, WI (US);
Assignee:
GE Precision Healthcare LLC, Wauwatosa, WI (US);
Primary Examiner:
Int. Cl.
CPC ...
H01J 35/06 (2006.01);
U.S. Cl.
CPC ...
H01J 35/066 (2019.05);
Abstract
An x-ray tube includes an electron emitter and a cathode cup having a recess that holds the electron emitter. The recess has a bottom surface, and a shield is positioned in the recess between the electron emitter and the bottom surface. The shield is configured to receive deposited sublimated emitter material and to maintain the sublimated emitter material away from the electron emitter.