High voltage x-ray and conventional radiography imaging apparatu

Details High voltage x-ray and conventional radiography imaging apparatu High voltage x-ray and conventional radiography imaging apparatu

1997-11-03

2000-12-26

Church, Craig E.

X-ray or gamma ray systems or devices

Specific application

Computerized tomography

25037011, 378 988, H05G 160

Patent

active

06167110&

ABSTRACT:
A detector (20) for high voltage x-rays includes a plurality of sensor elements (22) with each sensor element being aligned along a respective focal axis (25) with respect to a high voltage x-ray source (24). A fiber optic scintillator (34) is optically coupled to each of said sensor elements and is disposed to receive incident x-ray radiation passing from the object to be imaged. Optical fibers of the scintillator are positioned such that their optical axes are perpendicular to incident x-rays. Each sensor element has a length along the focal axis sufficiently long for the fibers to absorb substantially all incident x-rays. Each sensor element comprises an array of amorphous silicon photosensors disposed to detect light generated by the scintillator.

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