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US 2021/0265127 A1Published application
Methods and systems for x-ray tube with texturing
AssigneeGE Precision Healthcare LLC
InventorsAndrew Jay Borland, Andrew Marconnet
Life of this patent
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Abstract
Various methods and systems are provided for a cathode cup having a surface texturing to aid in adherence of emitter deposited films. In one embodiment, a method may include chemically and/or mechanically texturing a surface of a cathode cup to form a plurality of features with a higher than threshold depth of each feature, the surface of the cathode cup facing an emitter coupled to the cathode cup.
Claims20
A method, comprising:
- chemically and/or mechanically texturing a surface of a cathode cup to form a plurality of features with a higher than threshold depth of each feature and greater than a threshold distance between two adjacent features, the surface of the cathode cup facing an emitter coupled to the cathode cup.
A manufacturing method, comprising:
- sculpting a surface of a cathode cup of an x-ray tube with microstructures including:
- coating the surface with a chemical etchant;
- and
- exposing the surface to the chemical etchant for a threshold duration to etch grain boundaries of a material of the surface, the threshold duration based on an amount of sculpting desired.
1 more element
A system, comprising:
- a surface of a cathode cup of an x-ray tube facing an emitter formed of a material;
- the surface including a plurality of etched features with grains boundaries of the material having a higher than threshold depth of 1 μm to entrap sublimated material from the emitter.
Dependencies are inferred from the claim text.