Protective device for neutron tubes

Details Protective device for neutron tubes Protective device for neutron tubes

1989-08-23

1991-05-07

Mis, David

Electric lamp and discharge devices: systems

Combined load device or load device temperature modifying...

Discharge device load

315 53, 315 58, 315299, H05B 4136

Patent

active

050139690

ABSTRACT:
A protective device for a neutron tube including an ion source having an anode (2) which is brought to a positive potential relative to a cathode (3) by means of a source supply. An ion beam accelerated by means of an acceleration electrode (5) strikes a target (6) disposed on an insulating support (9) and brought to a negative potential supplied by an HT supply. The protective device includes electric elements (11, 12) limiting the tube current and/or the target voltage, which are made unalterable by enclosing them inside the neutron tube, so that any attempt to modify the electrical parameters determining the normal operating conditions of the tube necessitates the opening of the tube.

REFERENCES:
patent: 2951945 (1960-09-01), Goodman
patent: 2988671 (1961-06-01), Arnold
patent: 3364355 (1968-01-01), Ruby et al.
patent: 3581093 (1971-05-01), Carr
patent: 3784824 (1974-01-01), Reifenschweiler
patent: 3836785 (1974-09-01), Reifenschweiler
patent: 4808368 (1989-02-01), Humphreys

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