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US 6,781,313 B2Granted
Tubular capacitor for use in an electron beam tube
AssigneeMarconi Applied Technologies Limited
InventorSteven Aiken
Life of this patent
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Abstract
A capacitor includes a conductive tube, covered by insulating material and a layer of conductive material located at the central part of the tube. The geometry presents a low inherent inductance and a continuous, distributed conductance. The capacitor may be used as a bypass capacitor in an IOT amplifier to reduce stray and leakage high frequency radiation, in one amplifier being located within the inner wall of an annular input cavity.
Claims26
An electron beam tube comprising an electron gun having a cathode and a capacitor, said capacitor comprising:
- an electrically conductive tube having an outer surface;
- a layer of insulating material on said outer surface of the tube;
- and
- electrically conductive material on the insulating material wherein said tube provides support for the layer of insulating material and said conductive material.
1 more element
Dependencies are inferred from the claim text.