Design and characterization of an RF plasma cleaner

The design and characterization of an innovative device for plasma cleaning, based upon a non-conventional radio-frequency discharge, is described. The RF fields are produced by an antenna placed inside the metallic vacuum chamber. Theoretical models are described to calculate both the electro-magnetic field structure and the spatial impurity distribution, due to erosion of the antenna. The electron energy distribution function is determined with a standard RF-filtered electrostatic probe; it is found that the plasma is well described by a Druyvesteyn energy distribution function.

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Bibliographic Details
Main Authors: Canal,G.P., Luna,H., Ruchko,L.F., Galvão,R.M.O.
Format: Digital revista
Language:English
Published: Sociedade Brasileira de Física 2010
Online Access:http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-97332010000100015
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