X-ray tube with ring-shaped anode

Details X-ray tube with ring-shaped anode X-ray tube with ring-shaped anode

1997-03-26

1998-10-13

Wong, Don

X-ray or gamma ray systems or devices

Source

Electron tube

378144, H01J 3510

Patent

active

058223940

ABSTRACT:
An X-ray tube having a vacuum housing rotatable around a rotational axis, a ring-shaped anode connected to the vacuum housing whose center axis corresponds to the rotational axis, a cathode arranged inside the vacuum housing and that surrounds the rotational axis and that emits electrons radially outward during operation of the X-ray tube, a rotatable support for the vacuum housing, a drive arrangement for turning the vacuum housing and an arrangement for focussing the electron beam proceeding from the cathode to the anode which focus the electron beam such that it strikes the anode in a stationary focal spot.

REFERENCES:
patent: 2791708 (1957-05-01), Serduke
patent: 4788705 (1988-11-01), Anderson
patent: 5703926 (1997-12-01), Bischof

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