Abstract

An analytical model of a high-current form of a low-pressure glow discharge in an inverted cylindrical magnetron, which performs the function of plasma electron emitter, is shown. Were found conditions of the discharge self-sustaining, allowing to estimate the voltage of the discharge and determine the critical value of the magnetic field and residual gas pressure below which the existence of this type of discharge is impossible. A comparison of the calculated discharge characteristics with experimental data obtained on the setup for studying the emission properties of the magnetron discharge was carried out.

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