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    • 2. 发明申请
    • Radiation Detector
    • 辐射检测器
    • US20080272307A1
    • 2008-11-06
    • US11885653
    • 2006-03-24
    • William I. HelsbyNicholas J. GlagueRobert A. LewisChristopher J. HallBrian T. Parker
    • William I. HelsbyNicholas J. GlagueRobert A. LewisChristopher J. HallBrian T. Parker
    • G01T1/185
    • G01T1/2935G01T1/185H01J47/06
    • Devices and methods for detecting radiation are described. A detector for detecting radiation comprises a housing containing an ionisable gas, an array of anode wires extending substantially in a first plane, and arranged to be held at a first potential for attracting electrons, and at least one cathode wire spaced in a predetermined relationship from the anode wires, arranged to be held at a second, lower potential. The detector further comprises at least one additional electrode positioned adjacent a periphery of the array of anode wires, and arranged to be held at a third potential, greater than the second potential. A window for a radiation detector is described and comprising a housing containing an ionisable gas is also described. The window comprises a layer formed of an electrically conductive material forming an electrode, a layer formed of a plastic, arranged to support the layer formed of electrically conductive material, and a layer of gas impermeable material.
    • 描述了用于检测辐射的装置和方法。 用于检测辐射的检测器包括:壳体,其包含可离子化气体,基本上在第一平面中延伸的阳极线阵列,并且被布置成保持在用于吸引电子的第一电位;以及至少一个与预定关系间隔开的阴极线 阳极线布置成保持在第二较低电位。 检测器还包括邻近阳极线阵列的周边定位的至少一个附加电极,并被布置成保持在比第二电位大的第三电位。 还描述了用于辐射检测器的窗口,并且包括含有可离子化气体的壳体。 窗口包括由形成电极的导电材料形成的层,由塑料形成的层,布置成支撑由导电材料形成的层,以及不透气材料层。