Apparatus for manufacturing cathodes

Details Apparatus for manufacturing cathodes Apparatus for manufacturing cathodes

1979-10-11

1981-02-24

Tung, T.

Chemistry: electrical and wave energy

Apparatus

Electrolytic

204299EC, 204300EC, C25D 1706, C25D 1302

Patent

active

042526302

ABSTRACT:
It is possible to electrophoretically coat cathode shafts with an emissive layer having excellent mechanical properties by means of a device which comprises an electrophoresis bath and a jig which can be dipped therein and in which cathode shafts can be placed, which jig is composed of a plate of insulation material which is provided on the two surfaces with a first and a second electrically conductive layer, said jig having a large number of apertures in each of which a cathode shaft can be provided in a fitting manner such that each cathode shaft electrically contacts the first electrically conductive layer, and the plate is such a thickness that the side of the shaft to be coated is located at a distance from the second conductive layer, which distance is small in relation to the thickness of the jig, which jig is provided at least with a sealing non-electrically conductive layer on the side of the first conductive layer.

REFERENCES:
patent: 2011885 (1935-08-01), Young
patent: 2362228 (1944-11-01), Wright
patent: 2691144 (1954-10-01), Parsons et al.
patent: 3257308 (1966-06-01), Cottom
patent: 3658663 (1972-04-01), Fukanuma et al.
patent: 4042480 (1977-08-01), Noz

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