| 摘要 |
PROBLEM TO BE SOLVED: To prevent the attenuation of gamma ray energy caused by a suspension protective system of a radiation detector sealed in a housing and to improve the electric insulation between the housing and the radiation detector. SOLUTION: The radiation detector includes the housing, a crystal 16 and a photomultiplier tube 20 supported in the housing. A plurality of elongated, flat plastic or ceramic springs 50 are located radially between the crystal and photomultiplier tube and the housing, and at least one additional spring is located at one end of the crystal. COPYRIGHT: (C)2006,JPO&NCIPI
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