APPARATUS FOR CONTROLLING TEMPERATURE UNIFORMITY OF A SHOWERHEAD

    公开(公告)号:US20170304849A1

    公开(公告)日:2017-10-26

    申请号:US15497814

    申请日:2017-04-26

    Abstract: Apparatus for controlling thermal uniformity of a substrate-facing surface of a showerhead are provided herein. In some embodiments, a heat transfer system includes a heat transfer plate having a first diameter and a plurality of independent flow paths disposed within the heat transfer plate, each flow path having a first inlet and a first outlet; a supply conduit system having a second inlet fluidly coupled to a plurality of second outlets, wherein each second outlet is fluidly coupled to a corresponding first inlet of the heat transfer plate; and a return conduit system having a third outlet fluidly coupled to a plurality of third inlets, wherein each third inlet is fluidly coupled to a corresponding first outlet of the heat transfer plate, wherein the supply conduit system and the return conduit system are each disposed within an imaginary cylindrical projection above the heat transfer plate.

    Distributed electro-static chuck cooling

    公开(公告)号:US10537013B2

    公开(公告)日:2020-01-14

    申请号:US13863226

    申请日:2013-04-15

    Abstract: Embodiments of the invention include an apparatus, system, and method for cooling a pedestal for supporting a workpiece during plasma processing. An embodiment of a pedestal includes: a base over which the workpiece is to be disposed, a plurality of nozzles to supply a fluid from a supply plenum to impinge on a surface of the base, and a plurality of return conduits to return the supplied fluid to a return plenum. The fluid to be supplied by the plurality of nozzles can be projected as one or more jets submerged in surrounding fluid or as a spray that emerges from a surrounding fluid within a volume between the plurality of nozzles and the base to impinge on the surface of the base.

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