Universal limiter for limiting secondary radiation in an X-ray t

Details Universal limiter for limiting secondary radiation in an X-ray t Universal limiter for limiting secondary radiation in an X-ray t

1982-01-07

1984-09-18

Church, Craig E.

X-ray or gamma ray systems or devices

Source

Electron tube

378147, H01J 3500

Patent

active

044728271

ABSTRACT:
A universal limiter for any type of x-ray tube used in radiology or radiation therapy comprises an envelope of conical shape whose axis coincides with the axis of symmetry of the useful beam of radiation. The limiter is formed of material which is opaque to secondary radiation. The inlet aperture of the limiter is located in the immediate vicinity of the emitting focal spot and the outlet aperture of the limiter is connected mechanically to the exit window of the x-ray tube.

REFERENCES:
patent: 4309637 (1982-01-01), Fetter

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