SUBSTRATE PROCESSING APPARATUS INCLUDING EXHAUST DUCT WITH A BEVEL MASK WITH A PLANAR INNER EDGE

    公开(公告)号:US20230338914A1

    公开(公告)日:2023-10-26

    申请号:US18137800

    申请日:2023-04-21

    Inventor: Ping Ren

    CPC classification number: B01J19/0053 B01J19/247 B01J2219/029

    Abstract: A substrate processing apparatus is disclosed. Exemplary substrate processing apparatus includes a reaction chamber provided with a chamber wall; a susceptor disposed within the reaction chamber to support a substrate; a gas supply unit to supply a gas to the substrate; and an exhaust duct disposed within the reaction chamber, comprising: an inner ring comprising a first inner end and a second inner end; wherein the first inner end is configured to contact a bottom of the chamber wall; and an outer ring provided with a plurality of holes, the outer ring comprising a first outer end and a second outer end; wherein the first outer end is configured to contact a side of the chamber wall and the second outer end is configured to be engaged with the second inner end.

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