Permanent magnets of different magnetic materials for magnetrons

Details Permanent magnets of different magnetic materials for magnetrons Permanent magnets of different magnetic materials for magnetrons

1976-04-21

1977-09-13

Chatmon, Jr., Saxfield

Electric lamp and discharge devices: systems

Combined load device or load device temperature modifying...

Distributed parameter resonator-type magnetron

315 3951, 315 3975, 315 3977, H01J 2550

Patent

active

040485420

ABSTRACT:
A magnetron comprises an anode cylinder, vanes extending from the inner surface of the anode cylinder toward the central axis of the anode cylinder, a cathode disposed at the central axis of the anode cylinder, an output antenna coupled in a high frequency coupling mode to the vanes, and a set of permanent magnets for creating a magnetic field having a line of magnetic force directed toward the axis of the anode cylinder. The set of permanent magnets constitutes a combination of, for example, an alnico magnet and rare earth magnet differing in coercive force.

REFERENCES:
patent: 3392308 (1968-07-01), Cook
patent: 3412285 (1968-11-01), Gerard
patent: 3454825 (1969-07-01), Curtis
patent: 3843904 (1974-10-01), Brown
patent: 3855498 (1974-12-01), MacMaster et al.
patent: 3984725 (1976-10-01), Cook et al.

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