FIELD: metallurgy.
SUBSTANCE: proposed metal evaporator comprises thermal emission cathode and crucible-anode to house metal to be evaporated. Crucible-anode has limiting diaphragm arranged above evaporating metal and provided with bore or through channel. Said limiting diaphragm is made of material with fusion point not lower that of metal evaporation.
EFFECT: higher specific and full power fed to self-sustained discharge, higher ionization of directed flow rate, transition from diffusion evaporation into sublimation evaporation.
5 cl, 1 dwg, 1 ex
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