Method of making a cathode from tungsten and iridium powders usi

Details Method of making a cathode from tungsten and iridium powders usi Method of making a cathode from tungsten and iridium powders usi

1988-05-31

1989-02-28

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Process

Electrode making

H01J 904

Patent

active

048081370

ABSTRACT:
A long life high current density cathode is made from a mixture of tungsten nd iridium powders using a bariumaluminoiridiate as the impregnant.

REFERENCES:
patent: 3176180 (1965-03-01), Affleck, III
patent: 4165473 (1979-08-01), Falce
patent: 4708681 (1987-11-01), Branovich et al.
patent: 4734073 (1988-03-01), Smith et al.
patent: 4735591 (1988-04-01), Branovich et al.

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