Application of a Tangential Magnetic Field and Negative Repetitively Pulsed Bias for Suppression of Vacuum-Arc Copper Macroparticles


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Resumo

The joint effect of magnetic fields normal and tangential to the cathode surface and of short-pulse highfrequency bias potential of negative polarity on the accumulation of macroparticles on the potential target immersed in copper vacuum-arc plasma is studied. It is shown that the application of a vacuum-arc evaporator with the magnetic field tangential to the cathode surface reduces by 5 times generation of copper macroparticles in comparison with an axially symmetric vacuum-arc evaporator in which the magnetic field normal to the working cathode surface is used. It is established that the joint action of the tangential field and short-pulse high-frequency bias potential makes it possible to decrease by 2–3 orders of magnitude the density of copper macroparticles on the target surface.

Sobre autores

A. Ryabchikov

National Reseach Tomsk Polytechnic University

Autor responsável pela correspondência
Email: RALEX@tpu.ru
Rússia, Tomsk

P. Anan’in

National Reseach Tomsk Polytechnic University

Email: RALEX@tpu.ru
Rússia, Tomsk

A. Shevelev

National Reseach Tomsk Polytechnic University

Email: RALEX@tpu.ru
Rússia, Tomsk

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