Electron beam generator for an electron gun

Details Electron beam generator for an electron gun Electron beam generator for an electron gun

1990-09-10

1992-06-02

Laroche, Eugene R.

Electric lamp and discharge devices: systems

With cathode or cathode heater supply circuit

315245, 328 8, H05B 3900

Patent

active

051189917

ABSTRACT:
In an electron beam generator where the heating current for the cathode is transformed by an insulating transformer 7 disposed on the high-voltage insulator 4 of the beam head, the primary winding of this insulating transformer 7 being connected to ground potential, and where a single-pole high-voltage connection 2 and a single-pole high-voltage cable 2 connect the beam head 3 to a high-voltage generator 1, the high-voltage cable 2, at its terminal ends, has a protective resistor 10 corresponding to the surge impedance of the high-voltage cable 2 in order to reduce the damages to insulating and component parts.

REFERENCES:
patent: 3534223 (1970-10-01), Murphy
patent: 3868541 (1975-02-01), Vanzvijlen
patent: 3887835 (1975-06-01), Nomura
patent: 3895254 (1975-07-01), Minamikawa
patent: 3931517 (1976-01-01), Coates
patent: 4427886 (1984-01-01), Martin

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