SITU CLEAN FOR BEVEL AND EDGE RING
    1.
    发明公开

    公开(公告)号:US20230386823A1

    公开(公告)日:2023-11-30

    申请号:US17829288

    申请日:2022-05-31

    CPC classification number: H01L21/02087 H01J37/3244 H01J2237/335

    Abstract: Embodiments disclosed herein include a method for cleaning a bevel area of a substrate support disposed within a plasma processing chamber. In one example the method begins by placing a cover substrate on a substrate support disposed in an interior volume of a processing chamber. A cleaning gas is provided into the interior volume of the processing chamber. A plasma is struck in the interior volume of the processing chamber. A cleaning gas is provided through the substrate support to a bevel edge area defined between an outer diameter of the cover substrate and an edge ring disposed on the substrate support.

    RF ELECTROSTATIC CHUCK FILTER CIRCUIT
    2.
    发明申请

    公开(公告)号:US20200343123A1

    公开(公告)日:2020-10-29

    申请号:US16791875

    申请日:2020-02-14

    Abstract: Embodiments described herein relate to apparatus and methods for substantially reducing an occurrence of radio frequency (RF) coupling through a chucking electrode. The chucking electrode is disposed in an electrostatic chuck positioned on a substrate support. The substrate support is coupled to a process chamber body. An RF source is used to generate a plasma in a process volume adjacent to the substrate support. An impedance matching circuit is disposed between the RF source and the chucking electrode is disposed in the electrostatic chuck. An electrostatic chuck filter is coupled between the chucking electrode and the chucking power source.

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