Electric lamp and discharge devices: systems – Cathode ray tube circuits – Combined cathode ray tube and circuit element structure
Patent
1986-05-27
1988-05-17
Boudreau, Leo H.
Electric lamp and discharge devices: systems
Cathode ray tube circuits
Combined cathode ray tube and circuit element structure
315 3, 315 35, 315 5, 315 538, 315 539, 315 3953, 331 79, 331 90, H03B 901
Patent
active
047453362
ABSTRACT:
The present invention provides a vircator with improved efficiency. An elongated anode is aligned with an elongated cathode so as to produce an elongated virtual cathode when a direct current voltage source is electrically connected to the elongated cathode. A surface wave having a velocity near the velocity of light will be produced on the virtual cathode. Waveguide means enclosing the virtual cathode is disposed so as to propagate microwave radiation in a direction parallel to the direction of elongation of the cathode, anode and virtual cathode. The waveguide is designed to match the phase velocity of the microwave to the velocity of the virtual cathode surface wave.
REFERENCES:
patent: 4143299 (1979-03-01), Sprangle et al.
patent: 4150340 (1979-04-01), Kapetanakos et al.
patent: 4159440 (1979-06-01), Little
patent: 4253068 (1981-02-01), Barnett
patent: 4345220 (1982-08-01), Sullivan
patent: 4459511 (1984-07-01), Alexeff
patent: 4494039 (1985-01-01), Kim
patent: 4523127 (1985-06-01), Moeller
patent: 4553068 (1985-11-01), Brandt
Boudreau Leo H.
GA Technologies Inc.
Nickerson Michael J.
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