Abstract
In glow discharge electron guns, for the precision control of discharge current, an additional electrode can be used. Control of the discharge current of the electron gun is provided by changing an additional electrode potential. In this work, the authors investigate the dependence of the main discharge current on the electric parameters of additional discharge and from the operation pressure in the gun's chamber. Computer simulation of electric field distribution and electron beam parameters, using obtained experimental data for plasma boundary form and position, are also provided.
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