Method for the manufacture of an X-ray tube cathode filament
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United States of America Patent
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Apr 14, 2009
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app pub date -
Aug 27, 2009
filing date -
Dec 12, 2003
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Abstract
A method for the manufacture of a cathode filament of an X-ray tube and an X-ray tube formed by the method wherein the filament has at least two legs and one body, the filament being a single-piece filament. Spraying at least one material on a support by plasma spraying or by another deposition technique to obtain the filament molded on the support and separating the filament obtained from the support. The filament obtained has a variable thickness and a variable composition. The thicknesses of the legs and of the body as well as the composition of the filament can be modified according to the user's needs.
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