Electric lamp and discharge devices: systems – Discharge device load – Electromagnetic influenced discharge device
Patent
1991-03-26
1992-07-21
LaRoche, Eugene R.
Electric lamp and discharge devices: systems
Discharge device load
Electromagnetic influenced discharge device
315338, 31511141, 313161, 3133591, H01J 1104
Patent
active
051325977
ABSTRACT:
A diverging magnetic field is established between the cathode and control electrode of a hollow cathode plasma switch to expand the plasma at a passageway through the control electrode, thus significantly increasing the switch's current handling capability. Preferred ranges of magnetic field strength, gas pressure, spacing between the hollow cathode and control electrode, and the mesh aperture size for the control grid are described.
REFERENCES:
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patent: 5019752 (1991-05-01), Schumacher
H. Kaufman, "Technology of Electron-Bombardment Ion Thrusters", Advances in Electronics and Electron Physics, ed. by L. Marton, vol. 36, Academic Press, 1974, pp. 266-373.
D. M. Goebel et al., "Rectangular Area Hollow Cathode Ion Sources":, Proceedings of the Third Neutral Beam Heating Workshop, Oct. 19-23, 1981, pp. 35-42.
D. M. Goebel et al., "Plasma Studies on a Hollow Cathode, Magnetic Mulitpole Ion Sourch for Neutral Beam Injection", Rev. Sci. Instrum., vol. 53, No. 6, Jun. 1982, pp. 810-815.
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H. J. King et al., "Electron-Bombardment Thrusters Using Liquid-Mercury Cathodes", J. Spacecraft and Rockets, vol. 4, No. 5, May 1967, pp. 599-602.
Goebel Dan M.
Hyman, Jr. Julius
Poeschel Robert L.
Schumacher Robert W.
Denson-Low W. K.
Duraiswamy V. D.
Hughes Aircraft Company
LaRoche Eugene R.
Shingleton Michael B.
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