Compact electron gun for emitting high current short duration pu

Details Compact electron gun for emitting high current short duration pu Compact electron gun for emitting high current short duration pu

1984-02-02

1986-12-16

Chatmon, Saxfield

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Combined cathode ray tube and circuit element structure

328 58, 328 64, 328229, 313441, H01J 2316, H01J 2996

Patent

active

046299378

ABSTRACT:
Disclosed is a pulsed electron beam gun for generating a high current, short duration pulse which is received by a pulse detection circuit. The gun has a gated electron beam emitting area, a beam deflection and sweeping area and a beam pulse detector. Magnetic collimating means having lines of force along an axis in the direction of the electron beam surrounds the aforementioned structure. The magnetic collimating means intensifies the density and strength of the electron beam once it is emitted from its source of emission and is gated through the electron gate. A conventional pulse source delivers a low voltage pulse and a delayed pulse. The internal impedance of the pulse source is matched at the location of the electron gun where the pulses are applied to the electron gun components. The first pulse, at the beam gate, causes a short burst of electrons to be emitted. The delayed pulse is applied to the deflection means to sweep the electron beam symmetrically across the electron passing aperture in the plate.

REFERENCES:
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patent: 2982917 (1961-05-01), Aaland et al.
patent: 3051865 (1962-08-01), Marchese
patent: 3210669 (1965-10-01), Allen, Jr.
patent: 3234427 (1966-02-01), Orthuber
patent: 3374387 (1968-03-01), Schmid
patent: 3402357 (1968-09-01), Haimson et al.
patent: 3482139 (1969-12-01), Leboutet et al.
patent: 3629643 (1971-12-01), Roche

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