Electric lamp and discharge devices: systems – Cathode ray tube circuits – Combined cathode ray tube and circuit element structure
Patent
1995-03-07
1998-10-06
Lee, Benny T.
Electric lamp and discharge devices: systems
Cathode ray tube circuits
Combined cathode ray tube and circuit element structure
315 535, H01J 2500, H01J 2308
Patent
active
058181709
ABSTRACT:
A gyrotron system comprises an electron gun that produces an electron beam, a magnetic field generating unit comprising a permanent magnet and two electromagnets and capable of generating an axial magnetic field that drives electrons emitted from the electron gun for revolving motion, a cavity resonator that causes cyclotron resonance maser interaction between the revolving electrons and a high-frequency electromagnetic field resonating in a natural mode, a collector for collecting the electron beam traveled through the cavity resonator, and an output window through which a high-frequency wave produced by the cyclotron resonance maser interaction propagates. The gyrotron system can be fabricated at a comparatively low cost, is easy to operate, has a comparatively small size and is capable of operating at a comparatively low running cost.
REFERENCES:
patent: 4395655 (1983-07-01), Wurthman
patent: 4482843 (1984-11-01), Perring
patent: 4533875 (1985-08-01), Lau et al.
patent: 4839561 (1989-06-01), Ito
patent: 5052003 (1991-09-01), Mathews
patent: 5113162 (1992-05-01), Umehara et al.
patent: 5550432 (1996-08-01), Barker
A.N.Kuftin, et al "Theory of Helical Electron Beams in Gyrotrons" International Journal of Infrared & Millimeter Waves vol. 14, No. 4, 1993, pp. 783-817.
Permanentmagnete und ihre Weiterent Wicklung, von K. Ruschmeyer, Valvo Berichte Oct. 1985, pp. 1-11.
Asano Hiroyuki
Kikunaga Toshiyuki
Lee Benny T.
Mitsubishi Denki & Kabushiki Kaisha
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