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热词
    • 1. 发明公开
    • A multichannel electron multiplier arrangement
    • Elektronenvervielfachervorrichtung。
    • EP0001483A1
    • 1979-04-18
    • EP78300392.4
    • 1978-09-18
    • EMI Limited
    • Davis, Gordon PeterWhitehead, Graham
    • H01J43/00H01J39/16
    • H01J43/20H01J40/16
    • An electron multiplier (Figure 1) has many channels (5), defined by plates 6, common to all the channels, which are spaced apart along the channels and extend across the channels. The plates have portions 11 bent out of them to define dynode surfaces, leaving apertures 12 for the passage of electrons through the plates. Each portion serves as a dynode for one channel only so dimensional errors in that portion affect only one channel. In each plate the same surface of the plate serves as a dynode surface for all the channels, so there is no variation in emissivity between the channels at that plate.
    • 电子倍增器具有由板6限定的许多通道(5),所有通道都是沿着通道间隔开并在通道上延伸的所有通道共用的。 板具有从其弯曲的部分11以限定倍增极表面,留下孔12以使电子通过板。 每个部分仅用作一个通道的倍增电极,仅在该部分中的尺寸误差仅影响一个通道。 在每个板中,板的相同表面用作所有通道的倍增极表面,因此在该板上的通道之间的发射率没有变化。