Radiant energy – Invisible radiant energy responsive electric signalling – Semiconductor system
Patent
1987-05-06
1990-06-26
Fields, Carolyn E.
Radiant energy
Invisible radiant energy responsive electric signalling
Semiconductor system
2503272, 25037010, 2504841, 378146, G01T 124
Patent
active
049374532
ABSTRACT:
A method and apparatus for detecting x-ray radiation in a radiographic imaging context is disclosed. It is particularly useful in conjunction with slit and slot scan radiography. In accordance with this invention, detectors are constructed and arranged such that substantially all of the energy from an x-ray to be detected is discharged in the detector. In this way a detector is provided which provides a direct electronic read out, high x-ray stopping power and high spatial resolution while obtaining good signal collection efficiency without the use of excessively high voltage levels. In the preferred embodiment, solid state x-ray detectors are constructed such that the thickness of the detector along the direction of incident x-rays is long enough that substantially all of the x-ray energy is discharged in the detector.
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James R. Janesick et al., The Future Scientific CCD, SPIE, vol. 501--State-of-the-Art Imaging Arrays & Their Applications (1984).
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