Magnetrons

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

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313304, 313338, 315 3953, H01J 2550

Patent

active

043807178

ABSTRACT:
A magnetron consists of a cathode structure mounted within an anode cavity arrangement. In order to prolong the operational life of the cathode structure electron emissive material is located within recesses formed in the outer surface of a cylindrical support. As the electron emissive material erodes away during operation of the magnetron its surface area remains substantially unreduced.

REFERENCES:
patent: 2592206 (1952-04-01), Sproull
patent: 2782334 (1957-02-01), Gardner
patent: 2832005 (1958-04-01), Brown
patent: 2932754 (1960-04-01), Harries et al.
patent: 2953706 (1960-09-01), Gallet et al.
patent: 3278791 (1966-10-01), Favre
patent: 3458753 (1969-07-01), Staats
patent: 3585438 (1971-06-01), Bell
patent: 3814972 (1974-06-01), Sain

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