Reflector compensation for scintillator array with low temperature expansion
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United States of America Patent
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Feb 2, 1999
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N/A
app pub date -
Jan 27, 1997
filing date -
Feb 20, 1996
priority date (Note) -
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Abstract
Output variations of individual channels of radiation detector arrays and particularly the outer channels of the scintillator crystal array are reduced by modifying the reflectivity of the surfaces of the individual crystal elements according to the output. This is accomplished by creating a specific difference in the reflectivity of the internal channel reflectors compared to the external reflector material to enhance or reduce the output of specific channels to achieve a balance in the outputs. The specific difference in reflectivity may be obtained by using different color pigments, different color cements and various colored foils, for example.
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