Pulse magnetron with different anode and cathode radiuses

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

Reexamination Certificate

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C315S039710, C315S039750

Reexamination Certificate

active

07038387

ABSTRACT:
A pulse magnetron includes a cylindrical shell anode, a cathode provided at the center of the anode having a number of vanes mounted radially on an inner wall of the cylindrical anode shell, and a pair of pole pieces provided for applying a magnetic field to an interaction space where the outer side of the cathode is opposed to inner ends of the vanes. The anode and the cathode are arranged to satisfy at least either (i) increasing the radius of the inscribed circle defined by the inner ends of the vanes or (ii) decreasing the radius of the cathode surface as the magnetic flux density along the axial direction of the cathode at both ends of the inner end of the height of the vanes.

REFERENCES:
patent: 2869012 (1959-01-01), Muller
patent: 2869031 (1959-01-01), Herbert
patent: 3899714 (1975-08-01), Esterson et al.
patent: 6222319 (2001-04-01), Yoshihara et al.
patent: 2274941 (1994-08-01), None
patent: 55-100633 (1980-07-01), None
patent: 59-94330 (1984-05-01), None
patent: 59-94331 (1984-05-01), None
English Abstracts JP 55-100633 (EPODOC/EPO; PAJ/JPO) Jul. 31, 1980.
English Abstracts JP 59-94331 (EPODOC/EPO; WPI/DERWENT; PAJ/JPO), May 31, 1984.
English Abstracts JP-59-94330 (EPODOC/EPO; WPI/DERWENT; PAJ/JPO), May 31, 1984.

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