Detector arrangement for x-ray tomography system

Details Detector arrangement for x-ray tomography system Detector arrangement for x-ray tomography system

1996-08-16

1998-05-26

Porta, David P.

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

378 4, A61B 603

Patent

active

057578788

ABSTRACT:
In an x-ray scanning system having an x-ray source and a plurality of x-ray detectors mounted in substantially linear arrays and positioned along an arc extending about a focal spot defined by the x-ray source, the placement of the arrays along the arc is optimized to substantially avoid interfering contact between adjacent arrays. Each detector array is located at a preselected radial distance from the focal spot and oriented at a preselected angle with respect to radial lines extending from the focal spot so that the radiation-insensitive end portions of adjacent arrays overlap in the tangential direction. The tangential spacing between adjacent detector arrays is thus approximately equal to the tangential spacing between adjacent detectors in a single array.

REFERENCES:
patent: 4338521 (1982-07-01), Shaw et al.
patent: 4417354 (1983-11-01), Pfeiler
patent: 5025462 (1991-06-01), Saito et al.
patent: 5463224 (1995-10-01), Burstein et al.
patent: 5487098 (1996-01-01), Dobbs et al.

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