Cathode arrangement for an X-ray tube

Details Cathode arrangement for an X-ray tube Cathode arrangement for an X-ray tube

1980-12-17

1983-02-08

Dixon, Harold A.

Electric lamp and discharge devices

Electrode and shield structures

Indirectly heated cathodes

378136, H01J 120, H01J 3500

Patent

active

043731449

ABSTRACT:
In an exemplary embodiment, a cathode cup for electron focusing has a groove-like cavity for the heater coil. The cathode cup is subdivided, approximately perpendicularly to the longitudinal direction of the heater coil into several parts which are insulated from one another, to which separate control potentials can be supplied.

REFERENCES:
patent: 2068287 (1937-01-01), Gabor
patent: 2110604 (1938-03-01), Langhans et al.
patent: 2215426 (1940-09-01), Machlett
patent: 3649861 (1972-03-01), Atlee et al.
patent: 4266133 (1981-05-01), Weigel

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