SUBSTRATE SUPPORT WITH DUAL EMBEDDED ELECTRODES

    公开(公告)号:US20190088519A1

    公开(公告)日:2019-03-21

    申请号:US15710700

    申请日:2017-09-20

    Abstract: Embodiments described herein generally relate to plasma assisted or plasma enhanced processing chambers. More specifically, embodiments herein relate to electrostatic chucking (ESC) substrate supports configured to provide pulsed DC voltage to a substrate, and methods of biasing the substrate using the pulsed DC voltage, during plasma assisted or plasma enhanced semiconductor manufacturing processes.

    Electrostatic Chuck Having Multi Zone Gas Cooling

    公开(公告)号:US20250096703A1

    公开(公告)日:2025-03-20

    申请号:US18789634

    申请日:2024-07-30

    Abstract: Embodiments of electrostatic chucks (ESCs) are provided herein. In some embodiments, an electrostatic chuck includes: a dielectric plate having an upper surface and a plurality of mesas extending from the upper surface to a first height to at least partially define a support surface for the substrate; four backside gas cooling zones disposed in the dielectric plate; four gas channels disposed in the dielectric plate and corresponding to the four backside gas cooling zones, wherein the four gas channels are fluidly independent within the dielectric plate and extend from a lower surface of the dielectric plate to a plurality of cooling gas outlets extending to the upper surface within each corresponding cooling zone; a plurality of seal rings extending from the upper surface of the dielectric plate to the first height and defining the four backside gas cooling zones; and one or more electrodes disposed in the dielectric plate.

    SHEATH AND TEMPERATURE CONTROL OF A PROCESS KIT IN A SUBSTRATE PROCESSING CHAMBER

    公开(公告)号:US20210296098A1

    公开(公告)日:2021-09-23

    申请号:US16853600

    申请日:2020-04-20

    Abstract: Embodiments of substrate supports are provided herein. In some embodiments, a substrate support for use in a substrate processing chamber includes a ceramic plate having a first side configured to support a substrate and a second side opposite the first side, wherein the ceramic plate includes an electrode embedded in the ceramic plate; a ceramic ring disposed about the ceramic plate and having a first side and a second side opposite the first side, wherein the ceramic ring includes a chucking electrode and a heating element embedded in the ceramic ring; and a cooling plate coupled to the second side of the ceramic plate and the second side of the ceramic ring, wherein the cooling plate includes a radially inner portion, a radially outer portion, and a thermal break disposed therebetween.

    ELECTROSTATIC CHUCK ASSEMBLY
    8.
    发明公开

    公开(公告)号:US20240145220A1

    公开(公告)日:2024-05-02

    申请号:US17974088

    申请日:2022-10-26

    Abstract: Examples of a substrate support assembly are provided herein. In some examples, the substrate support assembly has a ceramic electrostatic chuck having a first side configured to support a substrate and a second side opposite the first side, wherein the ceramic electrostatic chuck includes an electrode embedded in the ceramic electrostatic chuck. The substrate support assembly has a cooling plate disposed under the second side of the ceramic electrostatic chuck, wherein the cooling plate includes an inner portion separated from an outer portion. The substrate support assembly has a bond layer coupling the ceramic electrostatic chuck to the cooling plate, wherein the bond layer is of a first material in the outer portion of the cooling plate and of a second material in the inner portion of the cooling plate, and wherein the first material has a greater thermal conductivity than that of the second material.

    SYSTEM FOR COUPLING A VOLTAGE TO PORTIONS OF A SUBSTRATE

    公开(公告)号:US20190088521A1

    公开(公告)日:2019-03-21

    申请号:US15710763

    申请日:2017-09-20

    Abstract: The present disclosure generally relates to plasma assisted or plasma enhanced processing chambers. More specifically, embodiments herein relate to electrostatic chucking (ESC) substrate supports configured to provide independent pulses of DC voltage through a switching system to electrodes disposed through the ESC substrate support, or to electrodes disposed on a surface of the ESC, or to electrodes embedded in the ESC substrate support. The switching system can independently alter the frequency and duty cycle of the pulsed DC voltage that is coupled to each electrode. During processing of the substrate, the process rate, such as etch rate or deposition rate, can be controlled independently in regions of the substrate because the process rate is a function of the frequency and duty cycle of the pulsed DC voltage. The processing uniformity of the process performed on the substrate is improved.

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