Patents by Inventor JUN-LIANG SU

JUN-LIANG SU 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).

  • Patent number: 11929260
    Abstract: Embodiments of methods and apparatus for reducing warpage of a substrate are provided herein. In some embodiments, a method for reducing warpage of a substrate includes: applying an epoxy mold over a plurality of dies on the substrate in a dispenser tool; placing the substrate on a pedestal in a curing chamber, wherein the substrate has an expected post-cure deflection in a first direction; inducing a curvature on the substrate in a direction opposite the first direction; and curing the substrate by heating the substrate in the curing chamber.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: March 12, 2024
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Fang Jie Lim, Chin Wei Tan, Jun-Liang Su, Felix Deng, Sai Kumar Kodumuri, Ananthkrishna Jupudi, Nuno Yen-Chu Chen
  • Patent number: 11881436
    Abstract: Methods and apparatus for processing a substrate are provided. For example, metrology apparatus configured for use with a substrate processing platform comprise an interferometer configured to obtain a first set of measurements at a first set of points along a surface of a substrate, a sensor configured to obtain a second set of measurements at a second set of points different from the first set of points along the surface of the substrate, an actuator configured to position the interferometer and the sensor at various positions along a measurement plane parallel to the surface of the substrate for obtaining the first set of measurements and the second set of measurements, and a substrate support comprising a substrate support surface for supporting the substrate beneath the measurement plane while obtaining the first set of measurements and the second set of measurements.
    Type: Grant
    Filed: July 7, 2021
    Date of Patent: January 23, 2024
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Jun-Liang Su, Chin Wei Tan, Fang Jie Lim
  • Patent number: 11871667
    Abstract: Methods and apparatus for processing a substrate are provided herein. For example, a system for processing a substrate includes a process chamber comprising a first processing volume and a second processing volume, a carrier disposed in the first processing volume, comprising a first thermoelectric module (TEM), and configured to support the substrate while the substrate is being heated or cooled, a chuck disposed within the second processing volume, comprising a second TEM, and configured to receive the substrate from the carrier and to support the substrate while the substrate is being heated or cooled, and a system controller configured to monitor a temperature of at least one of the substrate, the carrier, or the chuck during operation, and based on the temperature of the at least one of the substrate, the carrier, or the chuck, supply current to at least one of the first TEM or the second TEM.
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: January 9, 2024
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Sriskantharajah Thirunavukarasu, Puay Han Tan, Karrthik Parathithasan, Jun-Liang Su, Fang Jie Lim, Chin Wei Tan, Wei Jie Dickson Teo
  • Publication number: 20230061379
    Abstract: Embodiments of methods and apparatus for reducing warpage of a substrate are provided herein. In some embodiments, a method for reducing warpage of a substrate includes: applying an epoxy mold over a plurality of dies on the substrate in a dispenser tool; placing the substrate on a pedestal in a curing chamber, wherein the substrate has an expected post-cure deflection in a first direction; inducing a curvature on the substrate in a direction opposite the first direction; and curing the substrate by heating the substrate in the curing chamber.
    Type: Application
    Filed: August 24, 2021
    Publication date: March 2, 2023
    Inventors: Fang Jie LIM, Chin Wei TAN, Jun-Liang SU, Felix DENG, Sai Kumar KODUMURI, Ananthkrishna JUPUDI, Nuno Yen-Chu CHEN
  • Publication number: 20230009864
    Abstract: Methods and apparatus for processing a substrate are provided. For example, metrology apparatus configured for use with a substrate processing platform comprise an interferometer configured to obtain a first set of measurements at a first set of points along a surface of a substrate, a sensor configured to obtain a second set of measurements at a second set of points different from the first set of points along the surface of the substrate, an actuator configured to position the interferometer and the sensor at various positions along a measurement plane parallel to the surface of the substrate for obtaining the first set of measurements and the second set of measurements, and a substrate support comprising a substrate support surface for supporting the substrate beneath the measurement plane while obtaining the first set of measurements and the second set of measurements.
    Type: Application
    Filed: July 7, 2021
    Publication date: January 12, 2023
    Inventors: Jun-Liang SU, Chin Wei TAN, Fang Jie LIM
  • Publication number: 20220085268
    Abstract: Methods and apparatus for processing a substrate are provided herein. For example, a system for processing a substrate includes a process chamber comprising a first processing volume and a second processing volume, a carrier disposed in the first processing volume, comprising a first thermoelectric module (TEM), and configured to support the substrate while the substrate is being heated or cooled, a chuck disposed within the second processing volume, comprising a second TEM, and configured to receive the substrate from the carrier and to support the substrate while the substrate is being heated or cooled, and a system controller configured to monitor a temperature of at least one of the substrate, the carrier, or the chuck during operation, and based on the temperature of the at least one of the substrate, the carrier, or the chuck, supply current to at least one of the first TEM or the second TEM.
    Type: Application
    Filed: September 17, 2020
    Publication date: March 17, 2022
    Inventors: Sriskantharajah THIRUNAVUKARASU, Puay Han TAN, Karrthik PARATHITHASAN, Jun-Liang SU, Fang Jie LIM, Chin Wei TAN, Wei Jie Dickson TEO
  • Patent number: 11177146
    Abstract: Methods and apparatus for processing a substrate are provided herein. For example, a system for processing a substrate includes a process chamber comprising a first processing volume and a second processing volume; a first heating device configured to heat a substrate to a first temperature; a carrier configured to support the substrate while the substrate is being heated using the first heating device to the first temperature and transfer the substrate to and from each of the first processing volume and the second processing volume; a second heating device configured to maintain the substrate at or near the first temperature; and a chuck configured to receive the substrate from the carrier, and comprising an outer zone and an inner zone having independent variable pressure control to apply a chucking force at the outer zone that is different from a chucking force provided at the inner zone.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: November 16, 2021
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Qi Jie Peng, Chin Wei Tan, Jun-Liang Su, Fang Jie Lim, Sriskantharajah Thirunavukarasu, Arvind Sundarrajan, Puay Han Tan
  • Publication number: 20210134627
    Abstract: Methods and apparatus for processing a substrate are provided herein. For example, a system for processing a substrate includes a process chamber comprising a first processing volume and a second processing volume; a first heating device configured to heat a substrate to a first temperature; a carrier configured to support the substrate while the substrate is being heated using the first heating device to the first temperature and transfer the substrate to and from each of the first processing volume and the second processing volume; a second heating device configured to maintain the substrate at or near the first temperature; and a chuck configured to receive the substrate from the carrier, and comprising an outer zone and an inner zone having independent variable pressure control to apply a chucking force at the outer zone that is different from a chucking force provided at the inner zone.
    Type: Application
    Filed: October 31, 2019
    Publication date: May 6, 2021
    Inventors: Qi Jie Peng, Chin Wei Tan, Jun-Liang Su, Fang Jie Lim, Sriskantharajah Thirunavukarasu, Arvind Sundarrajan, Puay Han Tan
  • Publication number: 20210057238
    Abstract: Embodiments of methods and apparatus for reducing warpage of a substrate are provided herein. In some embodiments, a method for reducing warpage of a substrate includes heating the substrate with an epoxy layer to at least a glass transition temperature of the epoxy layer while allowing the substrate to expand; subsequently constraining the substrate with a clamping force exerted towards the substrate from a top direction by applying a high pressure gas to the substrate and from a bottom direction by applying a vacuum pressure to the substrate; and rapidly cooling the substrate while the substrate is constrained.
    Type: Application
    Filed: August 20, 2019
    Publication date: February 25, 2021
    Inventors: CHIN WEI TAN, QI JIE PENG, FANG JIE LIM, PRAYUDI LIANTO, SRISKANTHARAJAH THIRUNAVUKARASU, ARVIND SUNDARRAJAN, JUN-LIANG SU
  • Publication number: 20210035795
    Abstract: Methods and apparatus for reducing warpage of a substrate. In some embodiments, a method of reducing substrate warpage comprises heating the substrate with an epoxy layer to at least a glass transition temperature of the epoxy layer while allowing the substrate to expand; maintaining the at least the glass transition temperature of the substrate until the substrate is constrained; constraining the substrate with a total clamping force of approximately 5000N to approximately 7000N exerted towards the substrate from a top direction and a bottom direction; applying at least one electrostatic field to the substrate with a first electrostatic chuck positioned above the substrate and a second electrostatic chuck positioned below the substrate; and rapidly cooling the substrate using a first liquid convection heat sink positioned above the substrate and a second liquid convection heat sink positioned below the substrate.
    Type: Application
    Filed: July 23, 2020
    Publication date: February 4, 2021
    Inventors: Qi Jie PENG, Prayudi LIANTO, Chin Wei TAN, Sriskantharajah THIRUNAVUKARASU, Arvind SUNDARRAJAN, Jun-Liang SU, Fang Jie LIM, Manorajh ARUNAKIRI, Wei Jie Dickson TEO, Karrthik PARATHITHASAN, Puay Han TAN
  • Patent number: 10446423
    Abstract: Systems, apparatuses and methods for determining a surface profile of a substrate are provided. In one embodiment, a method includes projecting a signal having a vertical component/profile across the surface of the substrate from a plurality of locations along a first side of the substrate, capturing the projected signals at each of a plurality of respective locations across the surface of the substrate and determining a surface profile for the substrate using the captured signals. The process can be automated using a controller having predetermined projection and capture positions along respective sides of the substrate, where a surface profile of the substrate can be automatically determined by the controller using the captured signals.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: October 15, 2019
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Jun-Liang Su, Karthik Elumalai, Eng Sheng Peh, Sriskantharajah Thirunavukarasu, Dimantha Rajapaksa
  • Patent number: 10325790
    Abstract: Embodiments of methods and apparatus for correcting substrate deformity are provided herein. In some embodiments, a substrate support includes a base having an interior volume formed by walls extending upward from the base; a plurality of infrared lamps disposed within the interior volume; a support plate disposed above the plurality of infrared lamps, wherein the support plate includes a support surface to support a substrate; and a cover plate disposed atop the support plate and having a central opening corresponding to the support surface and an exhaust portion at a periphery of a top surface of the cover plate, wherein the exhaust portion includes a plurality of perforations fluidly coupling a space above the cover plate with an exhaust conduit formed in the cover plate. Embodiments of a showerhead assembly and processing equipment incorporating the inventive substrate support and showerhead assembly are additionally provided herein.
    Type: Grant
    Filed: November 13, 2017
    Date of Patent: June 18, 2019
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Eng Sheng Peh, Sriskantharajah Thirunavukarasu, Jun-Liang Su, Shoju Vayyapron, Karthik Elumalai, Dimantha Rajapaksa, Arunkumar M Tatti
  • Publication number: 20180218928
    Abstract: Embodiments of methods and apparatus for correcting substrate deformity are provided herein. In some embodiments, a substrate support includes a base having an interior volume formed by walls extending upward from the base; a plurality of infrared lamps disposed within the interior volume; a support plate disposed above the plurality of infrared lamps, wherein the support plate includes a support surface to support a substrate; and a cover plate disposed atop the support plate and having a central opening corresponding to the support surface and an exhaust portion at a periphery of a top surface of the cover plate, wherein the exhaust portion includes a plurality of perforations fluidly coupling a space above the cover plate with an exhaust conduit formed in the cover plate. Embodiments of a showerhead assembly and processing equipment incorporating the inventive substrate support and showerhead assembly are additionally provided herein.
    Type: Application
    Filed: November 13, 2017
    Publication date: August 2, 2018
    Inventors: Eng Sheng PEH, Sriskantharajah THIRUNAVUKARASU, Jun-Liang SU, Shoju VAYYAPRON, Karthik ELUMALAI, Dimantha RAJAPAKSA, Arunkumar M Tatti
  • Publication number: 20180144960
    Abstract: Systems, apparatuses and methods for determining a surface profile of a substrate are provided. In one embodiment, a method includes projecting a signal having a vertical component/profile across the surface of the substrate from a plurality of locations along a first side of the substrate, capturing the projected signals at each of a plurality of respective locations across the surface of the substrate and determining a surface profile for the substrate using the captured signals. The process can be automated using a controller having predetermined projection and capture positions along respective sides of the substrate, where a surface profile of the substrate can be automatically determined by the controller using the captured signals.
    Type: Application
    Filed: June 15, 2017
    Publication date: May 24, 2018
    Inventors: JUN-LIANG SU, KARTHIK ELUMALAI, ENG SHENG PEH, Sriskantharajah THIRUNAVUKARASU, DIMANTHA RAJAPAKSA
  • Patent number: 9818624
    Abstract: Embodiments of methods and apparatus for correcting substrate deformity are provided herein. In some embodiments, a substrate flattening system includes: a first process chamber having a first substrate support and a first showerhead, wherein the first substrate support does not include a chucking mechanism; a first heater disposed in the first substrate support to heat a substrate placed on a first support surface of the first substrate support; a second heater configured to heat a process gas flowing through the first showerhead into a first processing volume of the first process chamber; and a second process chamber having a second substrate support, wherein the second substrate support is not heated, and wherein the first process chamber and the cooling chamber are both non-vacuum chambers.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: November 14, 2017
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Jen Sern Lew, Tuck Foong Koh, Sriskantharajah Thirunavukarasu, Karthik Elumalai, Eng Sheng Peh, Jun-Liang Su
  • Publication number: 20160322234
    Abstract: Embodiments of methods and apparatus for correcting substrate deformity are provided herein. In some embodiments, a substrate flattening system includes: a first process chamber having a first substrate support and a first showerhead, wherein the first substrate support does not include a chucking mechanism; a first heater disposed in the first substrate support to heat a substrate placed on a first support surface of the first substrate support; a second heater configured to heat a process gas flowing through the first showerhead into a first processing volume of the first process chamber; and a second process chamber having a second substrate support, wherein the second substrate support is not heated, and wherein the first process chamber and the cooling chamber are both non-vacuum chambers.
    Type: Application
    Filed: April 29, 2016
    Publication date: November 3, 2016
    Inventors: Jen Sern LEW, Tuck Foong KOH, Sriskantharajah THIRUNAVUKARASU, Karthik ELUMALAI, ENG SHENG PEH, JUN-LIANG SU