Ionizing radiation sensor used in a system of radiographic imaging
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United States of America Patent
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Jan 17, 1995
Grant Date -
N/A
app pub date -
Dec 10, 1992
filing date -
Feb 11, 1991
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Abstract
Ionizing radiation sensors, such as X-ray or Gamma-ray sensors, used in industrial or medical radiology imaging systems. The sensor (1) employs a charge-coupled device (20) coupled to a scintillator element (51) and a filter for impeding the passage of ionizing radiation not transformed by the scintillator element (51). The filter is formed by the combination of a non-optical element which consists of a group of tubular guides (40), wholly or partly metallic, and the scintillator element (51) which consists of a scintillator material charged with absorbant particles (52). The scintillator element (51) is housed in the non-optical element (40). The sensor (1) is particularly usable in the field of intra-oral dental radiology.
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