| 摘要 |
<p>The present invention relates to an apparatus (10) for plasma processing an article(12), the apparatus comprisingra chamber(14) for receiving an article to be processed; electrode means (16) for generating an electricand/or magneticfield in said chamberwhen energised by alternating electrical energyfor establishing a plasma in said chamber so that said article can be processed; andvarying frequency generatingmeans (20) for generating alternating electrical energy for transmission tothe electrode means, said alternating electrical energy being generated at a plurality of different frequencies in succession, one frequency after another frequency, thereby producing a succession of standing waves in said chamber of a plurality of different wavelengths.</p> |
