A method for manufacturing an impregnated cathode

Details A method for manufacturing an impregnated cathode A method for manufacturing an impregnated cathode

H - Electricity

01

J

H01J 29/04 (2006.01) H01J 1/28 (2006.01) H01J 9/04 (2006.01)

Patent

CA 2200513

A procedure for manufacturing an impregnated cathode whose upper part includes an emitting plate of refractory material arranged in a support dish, wherein the soldering of the dish to its support is carried out by melting a metal material arranged between the plate and its support. The material has a melting point between the operating temperature of the cathode and the melting point of the components constituting the emitting plate.

Procédé de fabrication d'une cathode imprégnée comprenant dans sa partie supérieure une plaque émettrice constituée d'un matériau réfractaire et disposée sur une cuvette de support. La cuvette est soudée à son support par fusion d'un matériau métallique disposé entre la plaque et son support. Le matériau a un point de fusion compris entre la température de fonctionnement de la cathode et le point de fusion des composants de la plaque émettrice.

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