Patents by Inventor Zhepeng Cong

Zhepeng Cong 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: 20240145273
    Abstract: The present disclosure relates to methods, systems, and apparatus for monitoring temperature at multiple sites within a substrate processing chamber. A system for processing substrates includes: a process chamber comprising a processing volume, a first window at a first perimeter of the processing volume, a substrate support within the processing volume; and a first multi-wavelength pyrometer configured to measure: a first temperature at a first site proximal the first window, and a second temperature at a second site proximal the substrate support.
    Type: Application
    Filed: October 17, 2023
    Publication date: May 2, 2024
    Inventors: Zhepeng CONG, Tao SHENG, Ashur J. ATANOS, Nimrod SMITH, Vinh N. TRAN, Khokan C. PAUL
  • Publication number: 20240141551
    Abstract: Embodiments of the present disclosure generally relate to apparatus and systems for in-situ film growth rate monitoring and include a system to monitor film growth on a substrate including a light source, a collimator, a dichroic mirror, and a filter all along a propagation path and in optical communication along the propagation path. The propagation path splits into a first sub-path and second sub-path at the dichroic mirror. The first sub-path is directed to a pyrometer, and the second sub-path is directed to a spectrometer.
    Type: Application
    Filed: April 28, 2023
    Publication date: May 2, 2024
    Inventors: Khokan C. PAUL, Zhepeng CONG, Tao SHENG, Nimrod SMITH
  • Publication number: 20240141487
    Abstract: Embodiments disclosed herein generally provide improved control of gas flow in processing chambers. In at least one embodiment, a disk and liner assembly includes a quartz disk having an outer diameter, a plurality of holes or slots formed in the quartz disk, and a quartz ring having an inner diameter less than the outer diameter of the quartz disk.
    Type: Application
    Filed: October 27, 2022
    Publication date: May 2, 2024
    Inventors: Zhepeng CONG, Ashur J. ATANOS, Khokan C. PAUL, Nimrod SMITH, Tao SHENG, Vinh TRAN
  • Publication number: 20240145281
    Abstract: An apparatus, method, and system for identifying and obtaining information related to a substrate support and/or a pre-heat ring in a process chamber via imaging and image processing. In an embodiment, a substrate support is provided. The substrate support generally includes a top surface configured to receive a substrate in a process chamber and a marking feature disposed on the top surface of the substrate support, the marking feature configured to be detectable by an imaging apparatus coupled to the process chamber to provide information related to the substrate support via imaging when the substrate support is disposed within the process chamber.
    Type: Application
    Filed: October 27, 2022
    Publication date: May 2, 2024
    Inventors: Martin Jeffrey SALINAS, Zhepeng CONG, Hui CHEN, Xinning LUAN, Ashur J. ATANOS
  • Publication number: 20240142223
    Abstract: In one implementation, a method of monitoring film thickness on a substrate, comprises: generating light from a light source; collimating the light from the light source to form a collimated beam; reflecting the collimated beam off of a surface to be measured to produce a reflected beam; splitting the reflected beam with a dichroic mirror, wherein the reflected beam splits into a first beam and a second beam; receiving, by a pyrometer, the first beam from the dichroic mirror; receiving, by a spectrometer, the second beam from the dichroic mirror; and analyzing data derived from the pyrometer and the spectrometer to determine one or more characteristics of the surface to be measured.
    Type: Application
    Filed: April 28, 2023
    Publication date: May 2, 2024
    Inventors: Khokan C. PAUL, Zhepeng CONG, Tao SHENG, Edward W. BUDIARTO, Todd EGAN
  • Publication number: 20240136140
    Abstract: Embodiments of the present disclosure relates to methods, systems, and apparatus for monitoring radiation output of lamps of processing chambers. In some embodiments, a system contains a plurality of lamps coupled to a chamber, and one or more radiation sensors. Each lamp is identified with one or more zones, the radiation sensors are coupled to the chamber, where each radiation sensor is proximal at least one lamp. A controller contains instructions that, when executed, cause: the radiation sensors to convey, to the controller, information associated with radiation emitted by the lamps; the controller to analyze the information, the analyzing including: for each zone: determining a function of radiation over time; and monitoring the function for a condition associated with lamp aging; and the controller to, based on the analyzing the information, perform at least one of the following: vary input power delivered to the lamps; and generate an alert.
    Type: Application
    Filed: October 16, 2023
    Publication date: April 25, 2024
    Inventors: Zhepeng CONG, Ashur J. ATANOS, Khokan C. PAUL, Tao SHENG
  • Publication number: 20240120197
    Abstract: The present disclosure generally relates to process chambers for semiconductor processing. In one embodiment, a growth monitor for substrate processing is provided. The growth monitor includes a sensor holder and a crystal disposed in the sensor holder having a front side and a back side. An opening is formed in the sensor holder exposing a front side of the crystal. A gas inlet is disposed through the sensor holder to a plenum formed by the back side of the crystal and the sensor holder. A gas outlet is fluidly coupled to the plenum.
    Type: Application
    Filed: December 13, 2023
    Publication date: April 11, 2024
    Inventors: Zhepeng CONG, Mostafa BAGHBANZADEH, Tao SHENG, Enle CHOO
  • Publication number: 20240110278
    Abstract: A processing chamber is disclosed and includes a chamber body. The chamber body has a first side, a second side opposite the first side, a window assembly, and a base. The first and second side, the window assembly and the base define a thermal processing region. A flow assembly is disposed adjacent the first side and configured to introduce a processing gas into the thermal processing region. An exhaust slit assembly is disposed adjacent the second side. The exhaust slit assembly has an opening exposed to the thermal processing region. The opening having a center and an outer edge of the opening. The center of the opening and edge of the opening vertically defined between the window assembly and the base. Wherein an outer height at the edge of the opening is at least 30% larger in a vertical direction than a center height at the center of the opening.
    Type: Application
    Filed: September 29, 2022
    Publication date: April 4, 2024
    Inventors: Vishwas Kumar PANDEY, Ala MORADIAN, Zhepeng CONG
  • Publication number: 20240112945
    Abstract: In one embodiment, a susceptor for thermal processing is provided. The susceptor includes an outer rim surrounding and coupled to an inner dish, the outer rim having an inner edge and an outer edge. The susceptor further includes one or more structures for reducing a contacting surface area between a substrate and the susceptor when the substrate is supported by the susceptor. At least one of the one or more structures is coupled to the inner dish proximate the inner edge of the outer rim.
    Type: Application
    Filed: December 14, 2023
    Publication date: April 4, 2024
    Inventors: Anhthu NGO, Zuoming ZHU, Balasubramanian RAMACHANDRAN, Paul BRILLHART, Edric TONG, Anzhong CHANG, Kin Pong LO, Kartik SHAH, Schubert S. CHU, Zhepeng CONG, James Francis MACK, Nyi O. MYO, Kevin Joseph BAUTISTA, Xuebin LI, Yi-Chiau HUANG, Zhiyuan YE
  • Patent number: 11948818
    Abstract: A method and apparatus for calibrating a temperature within a processing chamber are described. The method includes determining an etch rate of a layer within the processing chamber. The processing chamber is a deposition chamber configured for use during semiconductor manufacturing. The etch rate is utilized to determine a temperature within the processing chamber. The temperature within the processing chamber is then subsequently compared to a calibrated temperature to determine a temperature offset. The etch rate is determined using any one of a pyrometer, a reflectometer, a camera, or a mass sensor.
    Type: Grant
    Filed: December 9, 2021
    Date of Patent: April 2, 2024
    Assignee: Applied Materials, Inc.
    Inventors: Zhepeng Cong, Tao Sheng, Vinh N. Tran
  • Publication number: 20240038575
    Abstract: Embodiments described herein relate to a susceptor kit. The susceptor kit includes a susceptor support plate including a plurality of susceptor lift pin holes and a plurality of susceptor support holes, a plurality of susceptor supports recessed within the plurality of susceptor support holes and coupled to the susceptor support plate, and a lift pin assembly. The plurality of susceptor supports receive a plurality of susceptor support pins. The support body supports the support pin link in a spaced apart relation to the susceptor support plate. The lift pin assembly is received in the plurality of susceptor lift pin holes. The lift pin assembly includes a lift pin cap and a susceptor lift pin comprising a susceptor stop plate. The susceptor support plate stop is receivable within the susceptor lift pin holes.
    Type: Application
    Filed: July 27, 2022
    Publication date: February 1, 2024
    Inventors: Zhepeng CONG, Ashur J. ATANOS, Nimrod SMITH, Richard O. COLLINS
  • Publication number: 20240035161
    Abstract: An apparatus for heating a gas is described. The apparatus is a pre-heat ring and heater assembly positioned in a deposition chamber, such as an epitaxial deposition chamber. The pre-heat ring has a first portion configured to be heated using one or more heaters. The one or more heaters are disposed through a sidewall of the process volume beneath the pre-heat ring and are configured to heat the pre-heat ring so that gas flowed over the pre-heat ring is also heated before being flowed over a substrate. The one or more heaters may include two heaters disposed at distal ends of the first portion of the pre-heat ring. One or more temperature sensors are also configured to measure a temperature of the pre-heat ring.
    Type: Application
    Filed: July 26, 2022
    Publication date: February 1, 2024
    Inventors: Zhepeng CONG, Ashur J. ATANOS, Tao SHENG, Nimrod SMITH, Vinh N. TRAN
  • Publication number: 20240035162
    Abstract: Embodiments described herein relate semiconductor manufacturing and processing. More particularly, a processing systems for auto correcting misalignments of substrates in process chambers is provided. The processing system includes a process chamber having a substrate support disposed within a chamber volume of the process chamber. The substrate support includes a pocket for receiving a substrate, and a plurality of flow conduits extending between a top surface of the pocket and a bottom surface of the substrate support. An imaging device is coupled to the process chamber and configured to monitor a position of a substrate when loaded in the pocket of the substrate support.
    Type: Application
    Filed: January 18, 2023
    Publication date: February 1, 2024
    Inventors: Zhepeng CONG, Tao SHENG, Martin Jeffrey SALINAS
  • Publication number: 20240026522
    Abstract: Embodiments disclosed herein generally provide improved control of gas flow in processing chambers. In at least one embodiment, a liner for a processing chamber includes an annular body having a sidewall and a vent formed in the annular body for exhausting gas from inside to outside the annular body. The vent comprises one or more vent holes disposed through the sidewall. The liner further includes an opening in the annular body for substrate loading and unloading.
    Type: Application
    Filed: October 2, 2023
    Publication date: January 25, 2024
    Inventors: Zhepeng CONG, Schubert CHU, Nyi Oo MYO, Kartik Bhupendra SHAH, Zhiyuan YE, Richard O. COLLINS
  • Publication number: 20240014065
    Abstract: A susceptor for use in a processing chamber for supporting a wafer includes a susceptor substrate having a susceptor ledge on an outer circumferential edge of a front side of the susceptor substrate, wherein a pocket within the susceptor ledge is configured to hold a wafer to be processed in a processing chamber, and a coating layer deposited on the susceptor substrate, wherein a surface of the susceptor ledge is textured with a plurality of venting groove lines, a surface of the pocket is textured with a first pattern, and a surface of a back side of the susceptor substrate opposite the front side is textured with a second pattern.
    Type: Application
    Filed: July 8, 2022
    Publication date: January 11, 2024
    Inventors: Zhepeng CONG, Balakrishnam R. JAMPANA, Masato ISHII, Shawn Joseph BONHAM, James M. AMOS, Kirk Allen FISHER, Philip Michael AMOS, Cathryne A. RYAN, Aimee S. ERHARDT, Xinning LUAN, Hui CHEN
  • Publication number: 20230407478
    Abstract: The present disclosure relates to flow guides, process kits, and related methods for processing chambers to facilitate deposition process adjustability. In one implementation, a process kit for disposition in a processing chamber applicable for use in semiconductor manufacturing includes a plate having a first face and a second face opposing the first face. The process kit includes a liner. The liner includes an annular section, and one or more ledges extending inwardly relative to the annular section. The one or more ledges are configured to support one or more outer regions of the second face of the plate. The liner includes one or more inlet openings extending to an inner surface of the annular section on a first side of the liner, and one or more outlet openings extending to the inner surface of the annular section on a second side of the liner.
    Type: Application
    Filed: July 22, 2022
    Publication date: December 21, 2023
    Inventors: Zhepeng CONG, Ala MORADIAN, Tao SHENG, Nimrod SMITH, Ashur J. ATANOS, Vinh N. TRAN
  • Patent number: 11848226
    Abstract: In one embodiment, a susceptor for thermal processing is provided. The susceptor includes an outer rim surrounding and coupled to an inner dish, the outer rim having an inner edge and an outer edge. The susceptor further includes one or more structures for reducing a contacting surface area between a substrate and the susceptor when the substrate is supported by the susceptor. At least one of the one or more structures is coupled to the inner dish proximate the inner edge of the outer rim.
    Type: Grant
    Filed: February 23, 2021
    Date of Patent: December 19, 2023
    Assignee: Applied Materials, Inc.
    Inventors: Anhthu Ngo, Zuoming Zhu, Balasubramanian Ramachandran, Paul Brillhart, Edric Tong, Anzhong Chang, Kin Pong Lo, Kartik Shah, Schubert S. Chu, Zhepeng Cong, James Francis Mack, Nyi O. Myo, Kevin Joseph Bautista, Xuebin Li, Yi-Chiau Huang, Zhiyuan Ye
  • Patent number: 11848202
    Abstract: The present disclosure generally relates to process chambers for semiconductor processing. In one embodiment, a growth monitor for substrate processing is provided. The growth monitor includes a sensor holder and a crystal disposed in the sensor holder having a front side and a back side. An opening is formed in the sensor holder exposing a front side of the crystal. A gas inlet is disposed through the sensor holder to a plenum formed by the back side of the crystal and the sensor holder. A gas outlet is fluidly coupled to the plenum.
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: December 19, 2023
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Zhepeng Cong, Mostafa Baghbanzadeh, Tao Sheng, Enle Choo
  • Publication number: 20230386803
    Abstract: The present disclosure relates to flow guides, process kits, and related methods for processing chambers to facilitate deposition process adjustability. In one implementation, a flow guide applicable for use in semiconductor manufacturing, includes a plate having a first face and a second face opposing the first face. The flow guide includes a first fin set extending from the second face, and a second fin set extending from the second face. The second fin set is spaced from the first fin set to define a flow path between the first fin set and the second fin set. The flow path has a serpentine pattern between the first fin set and the second fin set.
    Type: Application
    Filed: July 22, 2022
    Publication date: November 30, 2023
    Inventors: Zhepeng CONG, Ala MORADIAN, Tao SHENG, Nimrod SMITH, Ashur J. ATANOS, Vinh N. TRAN
  • Publication number: 20230386802
    Abstract: The present disclosure relates to flow guides, process kits, and related methods for processing chambers to facilitate deposition process adjustability. In one implementation, a flow guide includes a middle plate having a first side and a second side opposing the first side along a first direction. The first side and the second side are arcuate. The flow guide includes a first flange extending outwardly relative to a third side of the middle plate and outwardly relative to an outer face of the middle plate, and a second flange extending outwardly relative to a fourth side of the middle plate and outwardly relative to the outer face of the middle plate. The fourth side opposes the third side along a second direction that intersects the first direction. The flow guide includes a rectangular flow opening defined between the first flange and the second flange.
    Type: Application
    Filed: July 22, 2022
    Publication date: November 30, 2023
    Inventors: Zhepeng CONG, Ala MORADIAN, Tao SHENG, Nimrod SMITH, Ashur J. ATANOS, Vinh N. TRAN