DEVICE FOR THE DETECTION OF GAMMA RAYS BASED ON METASCINTILLATOR BLOCK DETECTORS
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United States of America Patent
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Issued Date -
Mar 9, 2023
app pub date -
Feb 2, 2021
filing date -
Feb 3, 2020
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Abstract
A device for the detection of gamma rays used primarily in a PET scanner is based on a scintillator heterostructure combining the high stopping power of scintillators commonly used in PET scanners (such as L(Y)SO, BGO, etc.) and very fast scintillators based on polymers loaded with fast emitting dyes or nanocrystals, or thin layers of nanocrystals or multiple quantum well structures. The particular arrangement of this detector module allows combining all the important features of a high-performance Time-of-Flight PET (TOFPET) detector module, i.e., a high photoelectric detection efficiency for the gamma rays, a precise 3D information (including the depth of interaction DOI) of the gamma ray conversion in the module, and good energy resolution.
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