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公开(公告)号:EP1111406A2
公开(公告)日:2001-06-27
申请号:EP00969049.6
申请日:2000-04-26
IPC分类号: G01T1/00
CPC分类号: G01J1/44
摘要: The present invention pertains to the field of radiation detection techniques and can be used for increasing the sensitivity and precision when recording a radiation intensity as well as for increasing the dynamic range of the radiation intensities to be detected. In a first embodiment, the detector includes a photodiode and a load connected in series. The load is connected to the photodiode by its signal output while it is connected on the other side to a common line. The detector further includes a transistor and a request pulse generator. The second electrode of the photodiode is connected to the first electrode of the transistor which has its control electrode connected to the output of the request pulse generator. The third electrode of the transistor is connected to the common line. In a second and a third embodiments, the radiation detector further includes a radiation-sensitive member connected on one side to a voltage supply line, as well as a load connected on one side to the common line. The detector further includes a transistor and a pulse generator, and also includes a capacitor in one of the embodiments.
摘要翻译: 本发明涉及放射线检测技术领域,可用于提高记录辐射强度时的灵敏度和精确度,以及增加待检测辐射强度的动态范围。 在第一实施例中,检测器包括串联连接的光电二极管和负载。 负载通过信号输出连接到光电二极管,而另一端连接到公共线。 该检测器还包括晶体管和请求脉冲发生器。 光电二极管的第二电极连接到晶体管的第一电极,晶体管的第一电极的控制电极连接到请求脉冲发生器的输出端。 晶体管的第三电极连接到公共线。 在第二和第三实施例中,辐射检测器还包括辐射敏感构件,辐射敏感构件的一侧连接到电压供给线以及连接到公共线的一侧的负载。 该检测器还包括晶体管和脉冲发生器,并且在其中一个实施例中还包括电容器。