Superconducting photodetector
    5.
    发明授权
    Superconducting photodetector 失效
    超导光电探测器

    公开(公告)号:US4843446A

    公开(公告)日:1989-06-27

    申请号:US246926

    申请日:1988-09-19

    摘要: A photodetector which operates at a cryogenic temperature by utilizing superconductivity is disclosed. A plurality of mutually spaced-apart superconducting layers are formed in such a manner as to be in contact with a semiconductor layer at least one of the surfaces of which is an incidence surface of light, and means capable of accumulating carriers in the semiconductor layer is disposed.A photodetector having high performance can thus be obtained and can be used as an interface of a system at a cryogenic temperature.

    摘要翻译: 公开了一种通过利用超导性在低温下工作的光电检测器。 多个相互间隔开的超导层形成为与半导体层接触,半导体层的至少一个表面是光的入射面,并且能够在半导体层中积聚载流子的装置是 处置。 因此可以获得具有高性能的光电检测器,并且可以用作系统在低温温度下的界面。

    Radiation measurement device and nuclear medicine diagnosis system
    7.
    发明授权
    Radiation measurement device and nuclear medicine diagnosis system 有权
    辐射测量装置和核医学诊断系统

    公开(公告)号:US08664613B2

    公开(公告)日:2014-03-04

    申请号:US13580786

    申请日:2011-02-10

    IPC分类号: G01T1/24

    CPC分类号: G01T1/24 G01T1/247

    摘要: The present invention provides a radiation measurement device, which shortens periodic interruption periods in the radiation measurements and prevents damage to the amplifier, and a nuclear medicine diagnosis system using such measurement device. The radiation measurement device comprises a semiconductor radiation detector detecting a radiation, a capacitor, which applies voltage to the semiconductor radiation detector, one or more direct current power supplies each capable of making either of positive and negative electric charge collect on one of the electrodes of the capacitor, a constant-current device, which conducts an electric current from the direct current power supplies to the one of the electrodes of the capacitor, and two or more switching devices installed in the wiring connecting the direct current power supplies and the one of the electrodes of the capacitor. Further disclosed is a nuclear medicine diagnosis system equipped with such radiation measurement device.

    摘要翻译: 本发明提供了一种辐射测量装置,其缩短辐射测量中的周期性中断周期并防止对放大器的损坏,以及使用这种测量装置的核医学诊断系统。 辐射测量装置包括检测辐射的半导体辐射检测器,向半导体辐射检测器施加电压的电容器,一个或多个直流电源,每个能够将正电荷和负电荷中的任一个集电在一个电极上 电容器,恒流装置,其将来自直流电源的电流传导到电容器的一个电极;以及安装在连接直流电源的布线中的两个或更多个开关装置, 电容器的电极。 进一步公开了配备有这种辐射测量装置的核医学诊断系统。

    RADIATION DETECTION EQUIPMENT AND NUCLEAR MEDICINE DIAGNOSIS DEVICE
    8.
    发明申请
    RADIATION DETECTION EQUIPMENT AND NUCLEAR MEDICINE DIAGNOSIS DEVICE 有权
    辐射检测设备和核医学诊断装置

    公开(公告)号:US20130324847A1

    公开(公告)日:2013-12-05

    申请号:US13984602

    申请日:2012-01-27

    申请人: Shinya Kominami

    发明人: Shinya Kominami

    IPC分类号: G01T1/161 A61B6/02

    摘要: Provided is radiation detection equipment including: a semiconductor radiation detector which has a semiconductor crystal made of thallium bromide; a capacitor which applies a voltage to the semiconductor radiation detector; and at least one DC power source which accumulates positive charges and negative charges in either of electrodes of the capacitor. Herein, a cathode and an anode in the semiconductor radiation detector are formed of at least one kind of a metal selected from gold, platinum and palladium. Further, the DC power source periodically reverses a voltage of accumulating the positive charges and a voltage of accumulating the negative charges in either of the electrodes of the capacitor per interval shorter than 10 min, thereby to apply the resulting voltage thereto.

    摘要翻译: 本发明提供的辐射检测设备包括:具有由溴化铊制成的半导体晶体的半导体辐射检测器; 向半导体辐射检测器施加电压的电容器; 以及至少一个DC电源,其在电容器的任一电极中积累正电荷和负电荷。 这里,半导体辐射检测器中的阴极和阳极由选自金,铂和钯中的至少一种金属形成。 此外,直流电源周期性地反转累积正电荷的电压和累积负电荷的电压在每10分钟内的每个间隔的电容器的电极中的电压,从而将所产生的电压施加到其上。

    RADIATION MEASUREMENT DEVICE AND NUCLEAR MEDICINE DIAGNOSIS SYSTEM
    9.
    发明申请
    RADIATION MEASUREMENT DEVICE AND NUCLEAR MEDICINE DIAGNOSIS SYSTEM 有权
    辐射测量装置和核医学诊断系统

    公开(公告)号:US20130048869A1

    公开(公告)日:2013-02-28

    申请号:US13580786

    申请日:2011-02-10

    IPC分类号: G01T1/24

    CPC分类号: G01T1/24 G01T1/247

    摘要: The present invention provides a radiation measurement device, which shortens periodic interruption periods in the radiation measurements and prevents damage to the amplifier, and a nuclear medicine diagnosis system using such measurement device. The radiation measurement device comprises a semiconductor radiation detector detecting a radiation, a capacitor, which applies voltage to the semiconductor radiation detector, one or more direct current power supplies each capable of making either of positive and negative electric charge collect on one of the electrodes of the capacitor, a constant-current device, which conducts an electric current from the direct current power supplies to the one of the electrodes of the capacitor, and two or more switching devices installed in the wiring connecting the direct current power supplies and the one of the electrodes of the capacitor. Further disclosed is a nuclear medicine diagnosis system equipped with such radiation measurement device.

    摘要翻译: 本发明提供了一种辐射测量装置,其缩短辐射测量中的周期性中断周期并防止对放大器的损坏,以及使用这种测量装置的核医学诊断系统。 辐射测量装置包括检测辐射的半导体辐射检测器,向半导体辐射检测器施加电压的电容器,一个或多个直流电源,每个能够将正电荷和负电荷中的任一个集电在一个电极上 电容器,恒流装置,其将来自直流电源的电流传导到电容器的一个电极;以及安装在连接直流电源的布线中的两个或更多个开关装置, 电容器的电极。 进一步公开了配备有这种辐射测量装置的核医学诊断系统。

    RADIOLOGICAL IMAGING APPARATUS
    10.
    发明申请
    RADIOLOGICAL IMAGING APPARATUS 有权
    放射成像装置

    公开(公告)号:US20090194701A1

    公开(公告)日:2009-08-06

    申请号:US12398752

    申请日:2009-03-05

    IPC分类号: G01T1/24

    CPC分类号: G01T1/249 G01T1/24

    摘要: A radiological imaging apparatus using a semiconductor radiation detector to make it possible to reduce a radiation measurement off time that may result from an attempt to avoid polarization, the radiological imaging apparatus comprising a capacitor that applies a voltage to a semiconductor radiation detector that detects a radiation from a subject, first current regulated means for conducting a charge current to the capacitor, and second current regulated means for conducting a discharge current from the capacitor, or comprising a capacitor that applies a voltage to the semiconductor radiation detector, a first resistor that conducts a charge current to and a discharge current from the capacitor, and a second resistor connected in parallel with the first resistor to subject the capacitor to charging and discharging.

    摘要翻译: 一种使用半导体辐射检测器的放射成像装置,可以减少可能由于尝试避免极化而产生的辐射测量关闭时间,放射线成像设备包括电容器,该电容器向检测辐射的半导体辐射检测器施加电压 来自被摄体的用于对电容器进行充电电流的第一电流调节装置和用于从电容器传导放电电流的第二电流调节装置,或包括向半导体辐射检测器施加电压的电容器, 来自电容器的充电电流和放电电流,以及与第一电阻器并联连接以使电容器充电和放电的第二电阻器。