Scintillation camera using a photomultiplier having a plurality

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250366, G01T 1208, G01T 120, G01B 1100

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active

058620613

ABSTRACT:
A high resolution scintillation camera includes a scintillator which generates scintillation light having a light amount proportional to the energy value of incident radiation at the radiation incident position. The generated scintillation light is supplied to several of a plurality of photodetectors forming a detector array. These photodetectors output electrical signals proportional to the supplied light amounts, respectively. The output electrical signals are supplied to a selector to select a photodetector arranged at the radiation incident position and a plurality of photodetectors adjacent to this photodetector. A detection unit detects the radiation incident position on the scintillator on the basis of output signals from a plurality of segments of each photodetector selected by the selector.

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