Apparatus for assembling an electron emissive part of a cathode

Details Apparatus for assembling an electron emissive part of a cathode Apparatus for assembling an electron emissive part of a cathode

1989-12-18

1991-07-16

Ramsey, Kenneth J.

Electric lamp or space discharge component or device manufacturi

Apparatus

Assembly means

29511, 72198, 445 50, H01J 906

Patent

active

050320971

ABSTRACT:
There is disclosed an apparatus for assembling the electron-emissive part of cathode comprising a porous base metal penetrated with an electron-emissive material and a thin metal plate for covering the base metal. The apparatus comprises a pair of cylindrical rolls for rotating in the direction opposite to each other with contacting to each other, and at least a pair of depressions each formed in one of the peripheries of the rolls for receiving respectively and complementarily the opposite portions of the electron-emissive part.

REFERENCES:
patent: 2736948 (1956-03-01), Barnes
patent: 3076915 (1963-02-01), Gal et al.
patent: 4893052 (1990-01-01), Tanabe et al.

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