Method of manufacturing cathode assembly

H - Electricity – 01 – J

Patent

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316/17, 316/45

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

Patent

CA 1110321

ABSTRACT OF THE DISCLOSURE A method of manufacturing a cathode assembly for use with an electron tube in which the cathode assembly is comprised of a metal cap composed principally of nickel Ni and welded to a cathode sleeve composed principally of nickel Ni, an electron emissive coating layer on formed on a surface of the base metal, and supporting member welded to the cathode sleeve. The method comprises the step of treating at least the metal cap under a solution treatment.

308530

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