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US 11,011,338 B2Granted
Annular cathode for vacuum tube
AssigneeThales
InventorsAlberto Leggieri, François Legrand, Rodolphe Marchesin
Life of this patent
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Abstract
An annular cathode for a vacuum tube includes a central cylindrical support whose axis is that of the cathode; an outer peripheral electron emitter with annular section whose axis is that of the cathode, extending over the outer perimeter of the cathode; and a folded skirt, secured at an inner end to the central support, and secured, at its outer end, to a plurality of lugs; each lug being disposed in series with the folded skirt, and secured with the folded skirt and with the inner surface of the electron emitter.
Claims10
An annular cathode for a vacuum tube, comprising:
- a cylindrical central support whose axis is that of the cathode;
- an outer peripheral electron emitter with annular section whose axis is that of the cathode, extending over the outer perimeter of the cathode;
- and
- a folded skirt, secured at an inner end to the central support, and secured, at its outer end, to a plurality of lugs;
- each lug being disposed in series with the folded skirt, and secured with the folded skirt and with the inner surface of the electron emitter.
2 more elements
Dependencies are inferred from the claim text.