| 摘要 |
Radiation imaging apparatus includes first and second bodies of material capable of producing scintillations in response to bombardment by ionizing radiation, each scintillation producing body having a surface bordered in part by an edge, the edge of the first body adjacent the edge of the second body. The radiation imaging apparatus also includes joining members located between the edges of the first and second bodies for transmitting light emitted from the edges of the first and second bodies as a result of scintillations produced by the first and second bodies, a collimator for collimating the ionizing radiation, and photomultiplier tubes for converting the scintillations to electrical outputs including a plurality of scintillation sensing units on the first and second scintillation producing bodies and on the joining body.
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