Permanent magnet structure for crossed-field tubes

Details Permanent magnet structure for crossed-field tubes Permanent magnet structure for crossed-field tubes

1975-05-19

1976-10-05

Chatmon, Jr., Saxfield

Electric lamp and discharge devices: systems

Combined load device or load device temperature modifying...

Distributed parameter resonator-type magnetron

313157, 315 3975, 315 3971, 335210, H01J 2550

Patent

active

039847250

ABSTRACT:
A permanent magnet structure particularly beneficial for generating the interaction field in coaxial, crossed field electron tubes is designed such that the normal iron flux return path is not required. Substantial reduction in weight results. A further benefit is that a magnetron interaction structure including the magnets may be built as a unit replaceable in the field in a stabilizing cavity structure. Since the cavity structure contains no iron, the magnets are not demagnetized in the replacement process and there are no mechanical mounting problems caused by magnetic forces.

REFERENCES:
patent: 2235517 (1941-03-01), Espe
patent: 2615143 (1952-10-01), Brown
patent: 3346766 (1967-10-01), Feinstein
patent: 3376466 (1968-04-01), Gerard
patent: 3412285 (1968-11-01), Gerard
patent: 3493810 (1970-02-01), Valles
patent: 3843904 (1974-10-01), Brown
patent: 3855498 (1974-12-01), MacMaster et al.

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