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US 12,308,199 B2Granted
X-ray cathode focusing element
AssigneeGE Precision Healthcare LLC
InventorKevin S. Kruse
Life of this patent
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Abstract
Various methods and systems are provided for a cathode of an X-ray imaging system, the cathode comprising a cup and a ceramic insulator having a convex outer surface mating with corresponding pockets on the cup surrounding the ceramic insulator.
Claims20
A cathode for an x-ray device, comprising:
- a cup;
- and
- a ceramic insulator having a convex outer surface mating with corresponding pockets on the cup surrounding the ceramic insulator,
- wherein the ceramic insulator has a substantially rectangular shape with curved edges, the convex outer surface located on a leg of the substantially rectangular shape.
1 more element
A cathode assembly for an x-ray device, comprising:
- a cathode cup configured to focus an electron beam on an anode assembly;
- a shield configured to shield components of the cathode assembly from backscatter electrons;
- a mask enclosing electrical leads;
- a cup formed by a weld pad and a base;
- and
- a ceramic insulator having a convex outer surface mating with corresponding pockets on the cup surrounding the ceramic insulator.
3 more elements
An imaging system, comprising:
- a collector assembly;
- an anode assembly;
- and
- a cathode assembly configured to focus an electron beam on the anode assembly, wherein the cathode assembly includes a cup and a ceramic insulator having a convex outer surface mating with corresponding pockets on the cup surrounding the ceramic insulator,
- wherein the ceramic insulator has a substantially rectangular shape with curved edges, and the convex outer surface is located on a leg of the substantially rectangular shape.
2 more elements
Dependencies are inferred from the claim text.