X-ray computed tomography apparatus

Details X-ray computed tomography apparatus X-ray computed tomography apparatus

1997-04-28

1998-11-24

Church, Craig E.

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

378 4, 378 12, G01N 2300

Patent

active

058418318

ABSTRACT:
In an x-ray computed tomography apparatus the source of X-rays and the detector are able to scan a volume of the examination subject in a short time. The X-ray source contains an anode that is elongated in the z-direction, on which the focus travels by a controlled deflection of an electron beam. A primary beam diaphragm is displaced synchronously with the focus movement along the anode. The diaphragm forms a pyramid-shaped X-ray beam which always fully strikes the detector but does not overshot the detector. The detector is formed by a matrix of detector elements.

REFERENCES:
patent: 4665539 (1987-05-01), Geluk
patent: 5712889 (1998-01-01), Lanyara et al.

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