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US 5,689,541 AGranted
X-ray tube wherein damage to the radiation exit window due to back-scattered electrons is avoided
AssigneeSiemens Aktiengesellschaft
InventorPeter Schardt
Life of this patent
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Abstract
An X-ray tube has a vacuum housing that contains a cathode and an anode, the housing having a radiation exit window. The radiation exit window is electrically conductive, and lies at cathode potential, and is electrically insulated against the vacuum housing, which lies at a potential that is positive in relation to the cathode potential.
Claims6
An X-ray tube comprising:
- a vacuum housing;
- an anode and a cathode contained in said vacuum housing;
- means for placing said cathode at a cathode potential;
- an electrically conductive radiation exit window disposed in an electrically insulated manner/from said vacuum housing;
- means for placing said radiation exit window at said cathode potential;
- and
- means for placing said vacuum housing at a potential which is positive in relation to said cathode potential.
4 more elements
Dependencies are inferred from the claim text.