Method of manufacturing a scandate dispenser cathode and dispens

Details Method of manufacturing a scandate dispenser cathode and dispens Method of manufacturing a scandate dispenser cathode and dispens

1984-12-24

1986-06-10

Lechert, Jr., Stephen J.

Powder metallurgy processes

Powder metallurgy processes with heating or sintering

Post sintering operation

75 05R, 75 05BB, 75 96, 252521, 313337, 313346R, 419 31, 419 32, 419 33, 419 34, 419 35, 419 39, 419 44, 419 45, 419 54, 419 55, 419 57, 419 58, 419 60, 445 50, B22F 326

Patent

active

045942200

ABSTRACT:
A method of manufacturing a scandate dispenser cathode having a matrix at least the top layer of which at the surface consists substantially of tungsten (W) and scandium oxide (Sc.sub.2 O.sub.3) and with emitter material in or below said matrix. If said method comprises the following steps:

REFERENCES:
patent: 3899325 (1975-08-01), Harrison
patent: 4007393 (1977-02-01), Stratum et al.

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