Projection detecting apparatus for computer tomography
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United States of America Patent
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Nov 17, 1992
Grant Date -
N/A
app pub date -
Jan 4, 1991
filing date -
Jan 5, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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