Inclined getter structure for a magnetron

Details Inclined getter structure for a magnetron Inclined getter structure for a magnetron

1992-12-10

1995-02-28

Lee, Benny T.

Electric lamp and discharge devices: systems

Combined load device or load device temperature modifying...

Distributed parameter resonator-type magnetron

313106, 313558, 313345, H01J 2305, H01J 2550

Patent

active

053940601

ABSTRACT:
This invention relates to a magnetron for generating a microwave, in which an upper end shield and a lower end shield for supporting respectively top end and bottom end of a filament, which is a cathode portion, are included, the upper end shield being made in a flange shape having a flat portion of a diameter bigger than an outer diameter of the filament, and a getter for absorbing a generating gas within a vacuum bulb body is mounted on top surface of the upper end shield, and the getter includes a flat portion mounted to the flat portion of the upper end shield and an inclined portion extended downwardly from the end edge of the flat portion so that the electrons generated from the cathode collides and is absorbed.

REFERENCES:
patent: 3988636 (1976-10-01), Sato et al.
patent: 4132921 (1979-01-01), Hatayama et al.
patent: 4733124 (1988-03-01), Oguro et al.

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