Patent ID: 6719875
Filing Date: 2004-04-13
Classification: H01J

Abstract:
A plasma process apparatus, wherein:two parallel plate electrodes I and II are provided, one of said electrode I and said electrode II being configured for carrying a substrate to be plasma processed, only one of said electrode I and said electrode II has an additional operating electrode associated therewith, said additional electrode being an auxiliary electrode, said auxiliary electrode being positioned around the periphery of said one of said electrode I and said electrode II, a magnetic field applying means for applying a magnetic field is provided, said magnetic field being horizontal and one-directional to a surface of the substrate to be plasma processed, said magnetic field applying means being a single magnetic source, a space where a plasma can be excited is provided on the side of said auxiliary electrode opposite said other one of said electrode I and said electrode II, and a means for applying a high-frequency power to said auxiliary electrode is provided.