US 12,431,318 B2
X-ray cathode shield
Kevin S Kruse, Muskego, WI (US); and Sergio Lemaitre, Whitefish Bay, WI (US)
Assigned to GE PRECISION HEALTHCARE LLC, Waukesha, WI (US)
Filed by GE Precision Healthcare LLC, Waukesha, WI (US)
Filed on Apr. 6, 2023, as Appl. No. 18/296,949.
Prior Publication US 2024/0339284 A1, Oct. 10, 2024
Int. Cl. H01J 35/16 (2006.01); G01N 23/04 (2018.01); H01J 35/06 (2006.01)
CPC H01J 35/16 (2013.01) [G01N 23/04 (2013.01); H01J 35/066 (2019.05)] 13 Claims
OG exemplary drawing
 
1. A cathode assembly for an x-ray device, comprising:
a cathode cup housing a focusing element of the cathode cup;
a plurality of coiled filaments positioned in the focusing element; and
a cathode shield comprising a cathode mask comprising a u-shaped central opening configured to receive the cathode cup, the u-shaped central opening centered over a lateral line of symmetry of the cathode mask, where a perimeter of the u-shaped central opening comprises a rolled over edge.