| 摘要 |
PURPOSE:To uniformize electric characteristic per each detecting element, by constructing a composite with tightly contacted scintillator element and separating reflecting board, and joining at least one side end surface excepting radiation incident surface, projecting surface and surface facing to the neighboring element of the scintillator element of this composite with bonding agent. CONSTITUTION:The detector is composed of a plurolity of scintillator elements 2 and a plurality of separating reflecting board 6, the elements 2 and boards 6 being arranged alternately, and the composite body 30 made of the tightly joined elements 2 and boards 6 is fixed on an arroy of photoelectric convertor elements 5 and a detecting signal of each element 2 is taken out from a connector 14. Further, for material of the reflecting board for separating the elements 2, a metallic is used for reducing a crosstalk caused by infiltration of scattering X-rays of the neighboring element 2. And, by ioming at least one surface side excepting incident surface, projecting surface and surface facing to the neighboring element 2 of the element 2 of the composite body 30 with bonding agent, uniformalization in approximation of the reflecting surface of the reflecting board 6 can be achieved and thus uniformization of electric characteristic per each detecting element of the detector becomes available.
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