Magnetron cathode assembly with grooved insulating spacer

Details Magnetron cathode assembly with grooved insulating spacer Magnetron cathode assembly with grooved insulating spacer

1985-04-30

1987-08-04

Moore, David K.

Electric lamp and discharge devices

Electrode and shield structures

Filament or resistance heated electrodes

313340, 313257, 313274, H01J 115, H01J 188, H01J 1908, H01J 1942

Patent

active

046848452

ABSTRACT:
In a magnetron cathode assembly having a filament for emitting thermoelectrons, upper and lower end shields fixed at upper and lower ends of the filament, a center lead fixed at and connected to the upper end shield, a side lead fixed at and connected to the lower end shield, and an insulating spacer having through holes with which the center and side leads are respectively engaged, the insulating spacer comprises a groove which has a width substantially the same as a diameter of one of the through holes and which clamps a bent portion of at least one of the center and side leads.

REFERENCES:
patent: 4344807 (1982-08-01), Dennesen et al.
patent: 4524296 (1985-06-01), Nakayama et al.
patent: 4558250 (1985-12-01), Tsuzurabara

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