X-ray apparatus for slit radiography

Details X-ray apparatus for slit radiography X-ray apparatus for slit radiography

1988-08-25

1990-01-16

Fields, Carolyn E.

X-ray or gamma ray systems or devices

Specific application

Absorption

378125, 378146, 378147, G21K 510

Patent

active

048948500

ABSTRACT:
The invention relates to the elimination of streak-like artefacts in slit radiography which are caused by an axial excursion of the rotary anode X-ray tube used for making the radiographs. These streaks can be eliminated by adapting the speed of displacement of the X-ray beam, the number of revolutions per unit time of the anode and the intensity profile of the radiation beam to one another so that for each point the intensity modulation in the half-shade area, caused by the periodic displacement of the focal point, is compensated for.

REFERENCES:
patent: 4096389 (1978-06-01), Ashe et al.
patent: 4773087 (1988-09-01), Plewes

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