Secondary electron emission characteristics of dielectric materials in AC-operated plasma display panels

Abstract
From the measurement of the ion-induced secondary electron emission yield γiit was shown that with increasing γiof the dielectric panel material the firing voltage of an ac gas discharge display panel decreased. The measurement of the energy distributflon of the secondary electrons showed that the dielectric material with higher γihas lower most-probable energy (MPE), and half-width (HW) values. The energy distribution introduced by Stolz in the ease of secondary electrons emitted from a metal was applied to the dielectric panel material and solved by using a computer. From this result, it was shown that the lower the electron affinity of the dielectric panel material, the higher is the γi. Under the condition when γibecame greater than unity, unstable self-sustained emission was observed even though the primary ion beam was cut off.

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