| 摘要 |
A plasma processing apparatus that enables formation of a deposit film on a surface of a grounding electrode to be prevented. A substrate processing chamber has therein a processing space in which plasma processing is carried out on a substrate, an RF electrode that applies radio frequency electrical power into the processing space, a DC electrode that applies a DC voltage into the processing space, and a grounding electrode at least part of which is exposed in the substrate processing chamber. The grounding electrode is disposed in a corner portion formed through intersection of a plurality of internal surfaces in the substrate processing chamber.
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