| 摘要 |
PROBLEM TO BE SOLVED: To suppress the effect of the disturbance accompanied by vibration by supporting a radiation detector and an amplifier on supporting members through vibration-absorbing buffer agents, respectively. SOLUTION: A flange 24 of a radiation detector 10 is fixed to a shielding lead 16 through a vibration-absorbing buffer agent 26. A flange 54 of a charge amplifier 14 is fixed to a fixing stage 18 through a buffer agent 56. The output of the radiation detector 10 is connected to the charge amplifier 14 fhrough a signal line 12. When the shielding lead 16 and the fixing stage 18 are vibrated, these vibrations are absorbed by the buffer agents 26 and 56.
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