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    • 6. 发明公开
    • ROBUST RADIATION DETECTOR COMPRISING DIAMOND
    • 钻石鲁棒辐射探测器
    • EP2087377A2
    • 2009-08-12
    • EP07827060.0
    • 2007-11-12
    • Diamond Detectors Ltd
    • WHITEHEAD, Andrew JohnWORT, Christopher John HowardOLIVER, Kevin John
    • G01T1/26
    • G01T1/26
    • A radiation detector comprises a substrate of diamond material and at least one electrode formed at a surface of the substrate. The electrode comprises electrically conductive material deposited in a cavity in the surface of the substrate so that at least a portion of the material of the electrode is below the surface of the substrate. The cavity will typically be an elongate trench or channel in which electrically conductive material such as boron-doped diamond is deposited. In some embodiments, at least two electrodes are located adjacent to one another at the surface of the substrate. In other embodiments, the device has a plurality of electrodes, at least one of which is located at a first surface and at least one of which is located at an opposed second surface of the substrate. In the latter case, an electrode at one surface of the substrate can be connected to an electrode at the opposed surface of the substrate by means of a conductive via, which consists of a through-hole filled or coated with conductive material. Typically, the electrodes are arranged in an interdigitated configuration, each electrode having a plurality of elongate electrode elements. Each such electrode element extends parallel to at least one adjacent electrode element of another electrode.