Patents by Inventor Xue CHANG

Xue CHANG has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240145321
    Abstract: A substrate integrated with passive devices and a manufacturing method thereof are provided.
    Type: Application
    Filed: April 23, 2021
    Publication date: May 2, 2024
    Inventors: Chuncheng CHE, Feng LIU, Yuelei XIAO, Yue LI, Guochen DU, Xue CAO, Yifan WU, Wenbo CHANG
  • Patent number: 11921221
    Abstract: The present disclosure discloses a system for intelligently leveling with an automatic temperature control function and a method thereof. The system includes a handcart-type leveller, indoor GPS positioning devices, an AGV trolley temperature measuring device and a control system. The control system processes position parameters of the AGV trolley temperature measuring device and the handcart-type leveller; converts the position parameters for the handcart-type leveller into position parameters for a leveling region, controlling the AGV trolley temperature measuring device to arrive at a lower part of the leveling region by a control chip and measuring temperatures in the leveling region; controlling an operation status of the AGV trolley temperature measuring device and transmitting data with the AGV trolley temperature measuring device.
    Type: Grant
    Filed: November 24, 2022
    Date of Patent: March 5, 2024
    Assignee: JIANGSU UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Jing Xu, Xiaonan Chang, Changwen Yang, Yefan Wang, Jiayang Gu, Yuankai Zhou, Xue Zuo
  • Patent number: 11835146
    Abstract: Embodiments of symmetric flow valves for use in a substrate processing chamber are provided herein. In some embodiments, a symmetric flow valve includes a valve body having sidewalls, a bottom plate, and a top plate that together define an interior volume, wherein the top plate includes one or more axisymmetrically disposed openings; a poppet disposed in the interior volume, wherein the poppet includes a central opening and a plurality of portions configured to selectively seal the one or more axisymmetrically disposed openings of the top plate when the symmetric flow valve is in a closed position; and a first actuator coupled to the poppet to position the poppet within the interior volume in at least an open position, where the poppet is spaced apart from the top plate to allow flow through the one or more axisymmetrically disposed openings of the top plate, and the closed position.
    Type: Grant
    Filed: December 1, 2021
    Date of Patent: December 5, 2023
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Andrew Nguyen, Yogananda Sarode Vishwanath, Xue Chang, Anilkumar Rayaroth, Chetan Naik, Balachandra Jatak Narayan
  • Publication number: 20230118651
    Abstract: Embodiments of the present disclosure herein include an apparatus for processing a substrate. More specifically, embodiments of this disclosure provide a substrate support assembly that includes an electrostatic chuck (ESC) assembly. The ESC assembly comprises a cooling base having a top surface and an outer diameter sidewall, an ESC having a substrate support surface, a bottom surface and an outer diameter sidewall, the bottom surface of the ESC coupled to the top surface of the cooling base by an adhesive layer. The substrate support assembly includes a blocking ring disposed around the outer diameter sidewalls of the cooling base and ESC, the blocking ring shielding an interface between the bottom surface of the ESC and the top surface of the cooling base.
    Type: Application
    Filed: August 31, 2022
    Publication date: April 20, 2023
    Inventors: Timothy Joseph FRANKLIN, Jaeyong CHO, Alexander SULYMAN, Xue CHANG, Kartik RAMASWAMY, Steven E. BABAYAN, Anwar HUSAIN, David COUMOU
  • Patent number: 11551965
    Abstract: Implementations of the present disclosure provide a process kit for an electrostatic chuck. In one implementation, a substrate support assembly is provided. The substrate support assembly includes an electrostatic chuck having a first recess formed in an upper portion of the electrostatic chuck. A process kit surrounds the electrostatic chuck. The process kit includes an inner ring and an outer ring disposed radially outward of the inner ring. The outer ring includes a second recess formed in an upper portion of the upper ring. The inner ring is positioned within and is supported by the first recess and the second recess. An upper surface of the inner ring and an upper surface of the outer ring are co-planar.
    Type: Grant
    Filed: October 18, 2019
    Date of Patent: January 10, 2023
    Assignee: Applied Materials, Inc.
    Inventors: Andrew Nguyen, Xue Chang, Shahid Rauf, Jason A. Kenney
  • Publication number: 20220090686
    Abstract: Embodiments of symmetric flow valves for use in a substrate processing chamber are provided herein. In some embodiments, a symmetric flow valve includes a valve body having sidewalls, a bottom plate, and a top plate that together define an interior volume, wherein the top plate includes one or more axisymmetrically disposed openings; a poppet disposed in the interior volume, wherein the poppet includes a central opening and a plurality of portions configured to selectively seal the one or more axisymmetrically disposed openings of the top plate when the symmetric flow valve is in a closed position; and a first actuator coupled to the poppet to position the poppet within the interior volume in at least an open position, where the poppet is spaced apart from the top plate to allow flow through the one or more axisymmetrically disposed openings of the top plate, and the closed position.
    Type: Application
    Filed: December 1, 2021
    Publication date: March 24, 2022
    Inventors: Andrew NGUYEN, Yogananda Sarode VISHWANATH, Xue CHANG, Anilkumar RAYAROTH, Chetan NAIK, Balachandra Jatak NARAYAN
  • Publication number: 20220076972
    Abstract: Methods and systems for in-situ temperature control are provided. The method includes delivering a temperature-sensing disc into a processing region of a processing chamber without breaking vacuum. The temperature-sensing disc includes one or more cameras configured to perform IR-based imaging. The method further includes measuring a temperature of at least one region of at least one chamber surface in the processing region of the processing chamber by imaging the at least one surface using the temperature-sensing disc. The method further includes comparing the measured temperature to a desired temperature to determine a temperature difference. The method further includes adjusting a temperature of the at least one chamber surface to compensate for the temperature difference.
    Type: Application
    Filed: September 17, 2021
    Publication date: March 10, 2022
    Inventors: Andrew NGUYEN, Yogananda SARODE, Xue CHANG, Kartik RAMASWAMY
  • Patent number: 11211282
    Abstract: Embodiments of process kit components for use in a substrate support, and substrate supports incorporating same, are provided herein. In some embodiments, the substrate support may include a body, a grounding shell formed of an electrically conductive material disposed about the body, a liner formed of an electrically conductive material disposed about the grounding shell, where the liner includes an upper lip that extends inwardly towards the body, a metal fastener disposed through the upper lip to couple the liner to the grounding shell, and a first insulator ring disposed atop the upper lip of the liner and covering the metal fastener.
    Type: Grant
    Filed: June 15, 2018
    Date of Patent: December 28, 2021
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Xue Chang, Andrew Nguyen
  • Patent number: 11199267
    Abstract: Embodiments of symmetric flow valves for use in a substrate processing chamber are provided herein. In some embodiments, a symmetric flow valve includes a valve body having sidewalls, a bottom plate, and a top plate that together define an interior volume, wherein the top plate includes one or more axisymmetrically disposed openings; a poppet disposed in the interior volume, wherein the poppet includes a central opening and a plurality of portions configured to selectively seal the one or more axisymmetrically disposed openings of the top plate when the symmetric flow valve is in a closed position; and a first actuator coupled to the poppet to position the poppet within the interior volume in at least an open position, where the poppet is spaced apart from the top plate to allow flow through the one or more axisymmetrically disposed openings of the top plate, and the closed position.
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: December 14, 2021
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Andrew Nguyen, Yogananda Sarode Vishwanath, Xue Chang, Anilkumar Rayaroth, Chetan Naik, Balachandra Jatak Narayan
  • Patent number: 10967427
    Abstract: A mold clamping system for exothermic reaction welding adapted to be power-operated by a power device, the combination comprising a first member adapted to support a first mold portion; a second member adapted to support a second mold portion; and a drive mechanism, adapted to be coupled to the power device, coupled to at least one of said first and second members and capable of moving the first and second members between a first position, in which the first and second mold portions are spaced apart, and a second position, in which the first and second mold portions are engaged, upon actuation of the power device in a first and a second direction, respectively.
    Type: Grant
    Filed: March 4, 2015
    Date of Patent: April 6, 2021
    Assignee: Hubbell Incorporated
    Inventors: Timothy Charles Hoagland, Xue Chang, Joshua Dean Mitchell
  • Publication number: 20210048108
    Abstract: Embodiments of symmetric flow valves for use in a substrate processing chamber are provided herein. In some embodiments, a symmetric flow valve includes a valve body having sidewalls, a bottom plate, and a top plate that together define an interior volume, wherein the top plate includes one or more axisymmetrically disposed openings; a poppet disposed in the interior volume, wherein the poppet includes a central opening and a plurality of portions configured to selectively seal the one or more axisymmetrically disposed openings of the top plate when the symmetric flow valve is in a closed position; and a first actuator coupled to the poppet to position the poppet within the interior volume in at least an open position, where the poppet is spaced apart from the top plate to allow flow through the one or more axisymmetrically disposed openings of the top plate, and the closed position.
    Type: Application
    Filed: August 16, 2019
    Publication date: February 18, 2021
    Inventors: Andrew Nguyen, Yogananda Sarode Vishwanath, Xue Chang, Anilkumar Rayaroth, Chetan Naik, Balachandra Jatak Narayan
  • Publication number: 20200185256
    Abstract: Implementations of the present disclosure provide a process kit for an electrostatic chuck. In one implementation, a substrate support assembly is provided. The substrate support assembly includes an electrostatic chuck having a first recess formed in an upper portion of the electrostatic chuck. A process kit surrounds the electrostatic chuck. The process kit includes an inner ring and an outer ring disposed radially outward of the inner ring. The outer ring includes a second recess formed in an upper portion of the upper ring. The inner ring is positioned within and is supported by the first recess and the second recess. An upper surface of the inner ring and an upper surface of the outer ring are co-planar.
    Type: Application
    Filed: October 18, 2019
    Publication date: June 11, 2020
    Inventors: Andrew NGUYEN, Xue CHANG, Shahid RAUF, Jason A. KENNEY
  • Publication number: 20190385891
    Abstract: Embodiments of process kit components for use in a substrate support, and substrate supports incorporating same, are provided herein. In some embodiments, the substrate support may include a body, a grounding shell formed of an electrically conductive material disposed about the body, a liner formed of an electrically conductive material disposed about the grounding shell, where the liner includes an upper lip that extends inwardly towards the body, a metal fastener disposed through the upper lip to couple the liner to the grounding shell, and a first insulator ring disposed atop the upper lip of the liner and covering the metal fastener.
    Type: Application
    Filed: June 15, 2018
    Publication date: December 19, 2019
    Inventors: XUE CHANG, ANDREW NGUYEN
  • Publication number: 20190341233
    Abstract: Embodiments described herein include a processing tool comprising configured for rapid and stable changes in the processing pressure. In an embodiment, the processing tool may comprises a chamber body. In an embodiment, the chamber body is a vacuum chamber. The processing tool may further comprise a chuck for supporting a substrate in the chamber body. In an embodiment, the processing tool may also comprise a cathode liner surrounding the chuck and a flow confinement ring aligned with the cathode liner. In an embodiment, the cathode liner and the flow confinement ring define an opening between a main processing volume and a peripheral volume of the vacuum chamber.
    Type: Application
    Filed: April 4, 2019
    Publication date: November 7, 2019
    Inventors: Andrew Nguyen, Yogananda Sarode Vishwanath, Xue Chang
  • Publication number: 20180366354
    Abstract: In one implementation, a showerhead assembly is provided. The showerhead assembly comprises a first electrode having a plurality of openings therethrough and a gas distribution faceplate attached to a first lower major surface of the electrode. The gas distribution plate includes a plurality of through-holes for delivering process gases to a processing chamber. The gas distribution plate is divided into a plurality of temperature-control regions. The showerhead assembly further comprises a chill plate positioned above the electrode for providing temperature control and a plurality of heat control devices to manage heat transfer within the showerhead assembly. The heat control device comprises a thermoelectric module and a heat pipe assembly coupled with the thermoelectric module. Each of the plurality of heat control devices is associated with a temperature control region and provides independent temperature control to its associated temperature control region.
    Type: Application
    Filed: April 27, 2018
    Publication date: December 20, 2018
    Inventors: Andrew NGUYEN, Yogananda SARODE, Xue CHANG, Kartik RAMASWAMY
  • Publication number: 20180046206
    Abstract: Methods and apparatus for controlling gas flow to a process chamber are disclosed herein. In some embodiments, a processing system includes a first process chamber having a first gas input; a first gas break disposed upstream of the first gas input; a first adjustable valve disposed upstream of the first gas break; and a first isolation valve disposed upstream of the first adjustable valve. The processing system may further include a second process chamber having a second gas input; a second gas break disposed upstream of the second gas input; a second adjustable valve disposed upstream of the second gas break; and a second isolation valve disposed upstream of the second adjustable valve. A shared gas source may be disposed upstream of the first isolation valve and the second isolation valve to provide one or more gases to the first process chamber and to the second process chamber.
    Type: Application
    Filed: August 9, 2017
    Publication date: February 15, 2018
    Inventors: ANDREW NGUYEN, XUE CHANG
  • Publication number: 20180047542
    Abstract: Apparatus for plasma processing are provided herein. In some embodiments, a process chamber includes: a chamber body having a processing volume within; a dielectric adapter ring disposed atop the chamber body; a multi-zone showerhead disposed atop the dielectric adapter ring to provide process gas to the processing volume; and an inductively-coupled RF coil disposed about an upper portion of the chamber body to couple RF energy to the processing volume.
    Type: Application
    Filed: August 11, 2017
    Publication date: February 15, 2018
    Inventors: ANDREW NGUYEN, XUE CHANG
  • Publication number: 20150251264
    Abstract: A mold clamping system for exothermic reaction welding adapted to be power-operated by a power device, the combination comprising a first member adapted to support a first mold portion; a second member adapted to support a second mold portion; and a drive mechanism, adapted to be coupled to the power device, coupled to at least one of said first and second members and capable of moving the first and second members between a first position, in which the first and second mold portions are spaced apart, and a second position, in which the first and second mold portions are engaged, upon actuation of the power device in a first and a second direction, respectively.
    Type: Application
    Filed: March 4, 2015
    Publication date: September 10, 2015
    Inventors: Timothy Charles HOAGLAND, Xue CHANG, Joshua Dean MITCHELL