Magnetron with cathode decoupled from output

Details Magnetron with cathode decoupled from output Magnetron with cathode decoupled from output

2009-01-29

2011-10-18

Choi, Jacob Y (Department: 2821)

Electric lamp and discharge devices: systems

Combined load device or load device temperature modifying...

Distributed parameter resonator-type magnetron

C315S039510, C315S039690

Reexamination Certificate

active

08040067

ABSTRACT:
A magnetron including a cathode, an anode axially aligned with the cathode and including a plurality of radial vanes defining resonant cavities, an output coupler connected to a first set of the vanes, a second set of vanes not connected to the output coupler, and extensions formed on only the vanes of the second set, the extensions extending in the axial direction towards the output coupler in a direction parallel to the axis of the anode, the extensions not being connected to the output coupler, whereby a capacitance between the axial extensions and the cathode at least partly compensates for the capacitance between the output coupler and the cathode.

REFERENCES:
patent: 3315121 (1967-04-01), Staats
patent: 5003223 (1991-03-01), Oguro
patent: 5350905 (1994-09-01), Choi
patent: 6841940 (2003-07-01), Brady et al.
patent: 7026761 (2003-08-01), Saleem et al.
patent: 7135820 (2006-11-01), Shon et al.
patent: 2001/0052825 (2001-12-01), Saleem et al.
patent: 1 316 984 (2003-06-01), None
patent: 2377816 (2003-01-01), None
“Neutralizing Pegs,” Crossed-Field Microwave Devices, vol. 2, Academic Press, New York, Long Anode Magnetrons by H.A.H. Boot, pp. 269-271.
United Kingdom Search Report issued in Application No. GB081708.9 Dated May 21, 2008.

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