PLASMA PROCESSING APPARATUS AND METHODS

Plasma processing apparatus and methods are provided. In one example implementation, the plasma processing apparatus includes a processing chamber. The plasma processing apparatus includes a pedestal disposed in the processing chamber. The pedestal is operable to support a workpiece. The plasma proc...

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Hauptverfasser: PAKULSKI, Ryan M, DESAI, Dixit V, MA, Shawming, CHUNG, Hua, YANG, Michael X
Format: Patent
Sprache:eng
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Zusammenfassung:Plasma processing apparatus and methods are provided. In one example implementation, the plasma processing apparatus includes a processing chamber. The plasma processing apparatus includes a pedestal disposed in the processing chamber. The pedestal is operable to support a workpiece. The plasma processing apparatus includes a plasma chamber disposed above the processing chamber in a vertical direction. The plasma chamber includes a dielectric sidewall. The plasma processing apparatus includes a separation grid separating the processing chamber from the plasma chamber. The plasma processing apparatus includes a first plasma source proximate the dielectric sidewall. The first plasma source is operable to generate a remote plasma in the plasma chamber above the separation grid. The plasma processing apparatus includes a second plasma source. The second plasma source is operable to generate a direct plasma in the processing chamber below the separation grid.