Laminated thermionic cathode

Details Laminated thermionic cathode Laminated thermionic cathode

H - Electricity

01

J

313/184

H01J 1/14 (2006.01) H01J 9/04 (2006.01) H01J 29/04 (2006.01)

Patent

CA 1045670

ABSTRACT OF THE DISCLOSURE A thermionic cathode having a ceramic base plate, a heater layer which is made of tungsten and is coated on the ceramic base plate, a cathode lead layer which is made of tungsten and is formed through a ceramic insulating layer on the heater layer, a base metal layer coated on the cathode lead layer, and a cathode material coated on the base metal layer.

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