Method of manufacturing a dispenser cathode, and dispenser...

Details Method of manufacturing a dispenser cathode, and dispenser... Method of manufacturing a dispenser cathode, and dispenser...

H - Electricity

01

J

313/183, 316/46

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

Patent

CA 1046131

ABSTRACT By polishing the emisive surface of a dispenser cathode comprising a porous compressed metal body with aluminum oxide, which dispenser cathode con- tains barium scandate and a dispensing compound, a cathode can be obtained having a very large admissible current density and a long life.

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