Fast-heating cathode

Details Fast-heating cathode Fast-heating cathode

1984-06-28

1986-01-28

Kittle, John E.

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Hollow or container type article

Cellular material derived from plant or animal source

313345, 313346R, 313346DC, H01J 114

Patent

active

045670714

ABSTRACT:
Directly heated oxide cathode especially for velocity-modulated tubes in pulse operation, characterized by the features that an outer conductor is designed cylindrically and an inner conductor is coaxially arranged by means of a ceramic support disc, and that on one end face, a metal layer connected to the outer conductor and the inner conductor is provided with an electron-emitting oxide layer.

REFERENCES:
patent: 3333141 (1967-07-01), Lemmens et al.
patent: 3385997 (1968-05-01), Vitzthum
patent: 3775116 (1973-11-01), Takemoto et al.
patent: 4215180 (1980-07-01), Misumi et al.
patent: 4310777 (1982-01-01), Fukushima et al.
patent: 4313854 (1982-02-01), Sunahara et al.
patent: 4349766 (1982-09-01), Ando et al.
patent: 4471260 (1984-09-01), Hasker et al.

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