Magnetron

Details Magnetron Magnetron

1975-08-27

1977-08-16

Chatmon, Jr., Saxfield

Electric lamp and discharge devices: systems

Combined load device or load device temperature modifying...

Distributed parameter resonator-type magnetron

315 3971, 315 3977, H01J 2550

Patent

active

040428516

ABSTRACT:
A magnetron constructed by locating a pair of permanent magnets in a vacuum container which is an anode cylinder (i.e. shell) of magnetic material and has upper and lower covers of magnetic material to form a magnetic circuit. A high frequency resonator is formed by attaching anode vanes directly to the internal wall of the anode cylinder and providing a film of highly conductive material on the internal wall of the anode cylinder between the anode vanes. Terminals for the supply of power to a cathode disposed between the permanent magnets pass through a hole in at least one of the permanent magnets and one of the covers of the magnetic material. An antenna, or probe, extends out of a hole in the side wall of the anode cylinder, and heat radiative fins are attached directly to the external wall of the anode cylinder.

REFERENCES:
patent: 3346766 (1967-10-01), Feinstein
patent: 3376466 (1968-04-01), Gerard
patent: 3377562 (1968-04-01), Staats
patent: 3412285 (1968-11-01), Gerard
patent: 3543082 (1970-11-01), Boehm
patent: 3588588 (1971-06-01), Numata
patent: 3843904 (1974-10-01), Brown
patent: 3855498 (1974-12-01), MacMaster et al.
patent: 3881127 (1975-04-01), MacMaster et al.
patent: 3984725 (1976-10-01), Cook et al.

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