Oscillators – Beam tube – With electron bunching or velocity variation means
Patent
1987-05-19
1988-11-15
Grimm, Siegfried H.
Oscillators
Beam tube
With electron bunching or velocity variation means
315 36, 315 393, 315 3975, 331 86, H03B 908, H03B 910
Patent
active
047852615
ABSTRACT:
A magnetically insulated transmission line oscillator employs self-generated magnetic fields to generate microwave energy. An anode of the oscillator includes slow-wave structures which are formed of a plurality of thin conductive vanes defining cavities therebetween, and a gap is formed between the anode and a cathode of the oscillator. In response to a pulsed voltage applied to the anode and cathode, self-generated magnetic fields arfe produced in a cross-field orientation with respect to the orientation of the electric field between the anode and the cathode. The cross-field magnetic fields insulate the flow of electrons in the gap and confine the flow of electrons within the gap.
REFERENCES:
patent: 2439401 (1948-04-01), Smith
Buneman, "A Toroidal Magnetron", Proc. Phys. Soc., London, VB-63, 1950, pp. 278-288.
Collin, Foundation for Microwave Engineering, McGraw-Hill, New York, N.Y., 1966, pp. 482-484.
Bekefi et al., "Microwave Emission From Magnetically Insulated Relativistic Electron-Beam Diodes", First IEEE International Pulsed Power Conference, 1976, pp. IIC6-2-IIC6-11.
Shope et al., "Self-Magnetic Insulation in Vacuum for Coaxial Geometry ", J. Appl. Phys. 49(7), Jul. 1978, pp. 3675-3678.
Bacon Larry D.
Ballard William P.
Clark M. Collins
Marder Barry M.
Chafin James H.
Grimm Siegfried H.
Hightower Judson R.
Libman George H.
The United States of America as represented by the United States
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