Thermionic heater cathode assembly of electron-beam gun

Details Thermionic heater cathode assembly of electron-beam gun Thermionic heater cathode assembly of electron-beam gun

1977-05-10

1978-06-27

Truhe, J. V.

Electric heating

Metal heating

By arc

313337, 313346R, B23K 900

Patent

active

040977145

ABSTRACT:
A thermionic heater cathode assembly of an electron-beam gun, comprising a disc cathode made of a highly-emissive material and disposed near a U-shaped ribbon filament with a thermionic portion and current-carrying sections arranged in parallel, wherein the ends of said ribbon filament sections to be connected to a holder are arranged in a plane normal to the ends of the same sections, adjoining the thermionic portion of said ribbon filament.

REFERENCES:
patent: 3389290 (1968-06-01), Yosida et al.

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