| 摘要 |
A plasma processing apparatus includes a vacuum container, a processing chamber arranged in the vacuum container and supplied with a processing gas, a holding electrode arranged in the processing chamber for holding a sample to be processed, on the upper surface thereof, an electric field supply unit for supplying an electric field and a magnetic field supply unit for supplying a magnetic field to form the plasma in the space above the holding electrode in the processing chamber, and a grounded wall member making up the inner wall, substantially in the shape of a truncated cone, of the processing chamber above the holding electrode.
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