PRECLEAN CHAMBER UPPER SHIELD WITH SHOWERHEAD

    公开(公告)号:US20210335581A1

    公开(公告)日:2021-10-28

    申请号:US16855559

    申请日:2020-04-22

    Abstract: Embodiments of process kits for use in a process chamber are provided herein. In some embodiments, a process kit for use in a process chamber, includes: a top plate having a central recess disposed in an upper surface thereof; a channel extending from an outer portion of the top plate to the central recess; a plurality of holes disposed through the top plate from a bottom surface of the recess to a lower surface of the top plate; a cover plate configured to be coupled to the top plate and to form a seal along a periphery of the central recess such that the covered recess forms a plenum within the top plate; and a tubular body extending down from the lower surface of the top plate and surrounding the plurality of holes, the tubular body further configured to surround a substrate support.

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