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secondary electron

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comparison with primary electrons

  • Elements of the simplest electron tube, the diode.
    In electron tube: Secondary emission

    …the emitted electrons are designated secondary. The amount of secondary emission depends on the properties of the material and the energy and angle of incidence of the primary electrons. Material properties are characterized by the secondary-emission ratio, defined as the number of secondary electrons emitted per primary electron. Typically, the…

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