Magnetron with improved vanes

Details Magnetron with improved vanes Magnetron with improved vanes

1998-05-13

2000-06-20

Lee, Benny T.

Electric lamp and discharge devices: systems

Combined load device or load device temperature modifying...

Distributed parameter resonator-type magnetron

315 3951, H01J 2550, H01J 2302

Patent

active

060781416

ABSTRACT:
A magnetron includes a positive polar section having a positive polar cylinder, a plurality of vanes arranged at equal distance to radially protrude from an inner wall to a predetermined radius of the positive polar cylinder and plural strip rings electrically connecting the alternately-disposed vanes among the plural vanes, and a negative polar section having by a filament having a radius smaller than the predetermined radius for emitting thermoelectron to be installed onto a center line of the positive polar cylinder. Respective vanes provide slanted plane or curved plane to allow the area of a plane facing with an adjacent vane to be wider than that of a planar plane parallel with the cylinder axial direction of the positive polar cylinder within the same height of the vanes, thereby increasing capacitance of a cavity resonator formed by adjacent vanes and inner wall of the positive polar cylinder to cut down materials applied and allow for small-sized fabrication.

REFERENCES:
patent: 5680012 (1997-10-01), Walker et al.

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