Magnetron comprising ferromagnetic material members axially magn

Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Distributed parameter resonator-type magnetron

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315 3951, H01J 2550

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active

041662350

ABSTRACT:
A magnetron comprising a cathode, an anode cylinder having a plurality of vanes disposed around the cathode for defining an interaction space between the cathode and the vanes, and a pair of permanent magnets disposed opposite to each other for producing a magnetic field in the interaction space. One of the permanent magnets is annular in shape, and this annular magnet is magnetized relative to the other magnet so that their same poles confront each other thereby reducing the size of the magnetron.

REFERENCES:
patent: 3984725 (1976-10-01), Cook et al.
patent: 3987333 (1976-10-01), Nakada et al.
patent: 3989979 (1976-11-01), Konno et al.
patent: 4039892 (1977-08-01), Kerstens
patent: 4048542 (1977-09-01), Miura
patent: 4063129 (1977-12-01), Miura et al.

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