Projection detecting apparatus for computer tomography

Details Projection detecting apparatus for computer tomography Projection detecting apparatus for computer tomography

1991-01-04

1992-11-17

Church, Craig E.

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

250367, H05G 160

Patent

active

051649730

ABSTRACT:
A projection detecting apparatus for use in a third generation X-ray computer tomography includes an X-ray source and a detector array both mounted on a rotatable gantry for detecting X-ray projections of an object under inspection sequentially at a plurality of angles of the gantry, respectively. The detector array is formed by disposing consecutively a plurality of detector element blocks each constituted by a photodiode array and a scintillator array laminated together. The element blocks are so disposed as to be asymmetric to the center line of a fan-like radiation beam which line extends through the position of the X-ray source and the center of rotation of the gantry.

REFERENCES:
patent: 4176279 (1979-11-01), Schwierz et al.
patent: 4725734 (1988-02-01), Nishiki
patent: 4982096 (1991-01-01), Fujii et al.

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