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).

  • Patent number: 12270752
    Abstract: A method and apparatus for determining a growth rate on a semiconductor substrate is described herein. The apparatus is an optical sensor, such as an optical growth rate sensor. The optical sensor is positioned in an exhaust of a deposition chamber. The optical sensor is self-heated using one or more internal heating elements, such as a resistive heating element. The internal heating elements are configured to heat a sensor coupon. A film is formed on the sensor coupon by exhaust gases flowed through the exhaust and is correlated to film growth on a substrate within a process volume of the deposition chamber.
    Type: Grant
    Filed: May 23, 2022
    Date of Patent: April 8, 2025
    Assignee: Applied Materials, Inc.
    Inventors: Zhepeng Cong, Tao Sheng, Ashur J. Atanos
  • Publication number: 20250096045
    Abstract: A method for processing a substrate within a processing chamber comprises receiving a first radiation signal corresponding to a film on a target element disposed within the processing chamber, analyzing the first radiation signal, and controlling the processing of the substrate based on the analyzed first radiation signal. The processing chamber includes a substrate support configured to support the substrate within a processing volume and a controller coupled to a first sensing device configured to receive the first radiation signal.
    Type: Application
    Filed: December 2, 2024
    Publication date: March 20, 2025
    Inventors: Zuoming ZHU, Shu-Kwan LAU, Ala MORADIAN, Enle CHOO, Flora Fong-Song CHANG, Vilen K. NESTOROV, Zhiyuan YE, Bindusagar MARATH SANKARATHODI, Maxim D. SHAPOSHNIKOV, Surendra Singh SRIVASTAVA, Zhepeng CONG, Patricia M. LIU, Errol Antonio C. SANCHEZ, Jenny C. LIN, Schubert S. CHU, Balakrishnam R. JAMPANA
  • Publication number: 20250079203
    Abstract: Embodiments of the present disclosure generally relate to a susceptor for thermal processing of semiconductor substrates. In one embodiment, the susceptor includes an inner region having a pattern formed in a top surface thereof, the pattern including a plurality of substrate support features separated by a plurality of venting channels. The susceptor includes a rim surrounding and coupled to the inner region, wherein the inner region is recessed relative to the rim to form a recessed pocket configured to receive a substrate. The susceptor includes a plurality of bumps extending radially inward from an inner diameter of the rim, the plurality of bumps configured to contact an outer edge of a substrate supported by the plurality of substrate support features for positioning the substrate within the recessed pocket.
    Type: Application
    Filed: November 15, 2024
    Publication date: March 6, 2025
    Inventors: Zhepeng CONG, Nyi Oo MYO
  • Patent number: 12243761
    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: Grant
    Filed: October 27, 2022
    Date of Patent: March 4, 2025
    Assignee: Applied Materials, Inc.
    Inventors: Martin Jeffrey Salinas, Zhepeng Cong, Hui Chen, Xinning Luan, Ashur J. Atanos
  • Patent number: 12221696
    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: Grant
    Filed: July 22, 2022
    Date of Patent: February 11, 2025
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Zhepeng Cong, Ala Moradian, Tao Sheng, Nimrod Smith, Ashur J. Atanos, Vinh N. Tran
  • Publication number: 20250038053
    Abstract: A method of analyzing completion of seasoning of semiconductor processing chambers may include training a model using seasoning cycle characteristics data obtained from existing semiconductor processing chambers. A supervised learning process may label the characteristics data based on expert determined identify seasoning completion and may optionally label the characteristics data based on chamber open event information or preventive maintenance information. The trained model may be used to characterize another chamber during seasoning to determine whether seasoning is completed and/or when or how long or how many seasoning cycles may be performed until seasoning is complete.
    Type: Application
    Filed: July 28, 2023
    Publication date: January 30, 2025
    Applicant: Applied Materials, Inc.
    Inventors: Zhepeng Cong, Tao Sheng, Ala Moradian
  • Publication number: 20250037975
    Abstract: A flow apparatus and process chamber having the same are described herein. In one example, flow apparatus for use in semiconductor processing comprises an inject assembly and an inductive heater coupled to the inject assembly. The inject assembly comprises an inject body, a first gas inlet configured to flow a first gas through the inject body, and a plurality of flow channels disposed in the inject body, the plurality of flow channels coupled to the first gas inlet. The inductive heater is configured to heat a gas and comprises a heater housing, a graphite rod disposed in the heater housing, the graphite rod having a distal end and proximate end, an inductive coil disposed around the graphite rod, and a second gas inlet configured to flow a second gas between the heater housing and a graphite rod.
    Type: Application
    Filed: July 28, 2023
    Publication date: January 30, 2025
    Applicant: Applied Materials, Inc.
    Inventors: Zhepeng CONG, Ashur J. ATANOS, Nimrod SMITH, Khokan C. PAUL, Tao SHENG
  • Patent number: 12196617
    Abstract: An apparatus for controlling temperature profile of a substrate within an epitaxial chamber includes a bottom center pyrometer and a bottom outer pyrometer to respectively measure temperatures at a center location and an outer location of a first surface of a susceptor of an epitaxy chamber, a top center pyrometer and a top outer pyrometer to respectively measure temperatures at a center location and an outer location of a substrate disposed on a second surface of the susceptor opposite the first surface, a first controller to receive signals, from the bottom center pyrometer and the bottom outer pyrometer, and output a feedback signal to a first heating lamp module that heats the first surface based on the measured temperatures of the first surface, and a second controller to receive signals, from the top center pyrometer, the top outer pyrometer, the bottom center pyrometer, and the bottom outer pyrometer, and output a feedback signal to a second heating lamp module that heats the substrate based on the mea
    Type: Grant
    Filed: June 29, 2020
    Date of Patent: January 14, 2025
    Assignee: Applied Materials, Inc.
    Inventors: Zuoming Zhu, Shu-Kwan Lau, Enle Choo, Ala Moradian, Flora Fong-Song Chang, Maxim D. Shaposhnikov, Bindusagar Marath Sankarathodi, Zhepeng Cong, Zhiyuan Ye, Vilen K. Nestorov, Surendra Singh Srivastava, Saurabh Chopra, Patricia M. Liu, Errol Antonio C. Sanchez, Jenny C. Lin, Schubert S. Chu
  • Publication number: 20250006523
    Abstract: A non-transitory computer readable medium to thermally adjust a chamber component is disclosed therein. The non-transitory computer readable medium includes instructions that when executed cause a plurality of operations to be conducted. The operations include sensing a first temperature of the chamber component within a semiconductor processing chamber, comparing the first temperature to a first set-point of the chamber component, and adjusting a purge gas flowrate of a purge gas supplied to a portion of the processing chamber. The plurality of operations include sensing a second temperature of a reflector component in the portion of the semiconductor processing chamber, comparing the second temperature of the reflector component to a second set-point of the reflector component, and initiating a reflector cooling operation within the reflector component when the second temperature exceeds the second set-point.
    Type: Application
    Filed: April 8, 2024
    Publication date: January 2, 2025
    Inventors: Zhepeng CONG, Alain DUBOUST
  • Publication number: 20250003112
    Abstract: A method and apparatus for virtually sensing a temperature of a hardware component of semiconductor processing chamber are disclosed. In one or more embodiments, a method of operation for a processing chamber suitable for use in semiconductor manufacturing includes receiving a process recipe for a manufacturing process and monitoring a first temperature of a first hardware component of the processing chamber using a sensor. The method further includes synthesizing, using a model of the processing chamber, a first virtual temperature of a second hardware component of the processing chamber based on the received process recipe and the first temperature of the first hardware component.
    Type: Application
    Filed: April 12, 2024
    Publication date: January 2, 2025
    Inventors: Ala MORADIAN, Zhepeng CONG, Vishwas Kumar PANDEY, Tao SHENG, Nimrod SMITH, Karthik RAMANATHAN, Manjunath SUBBANNA
  • Publication number: 20250003806
    Abstract: The present disclosure relates to chamber kits, systems, and methods for calibrating temperature sensors for semiconductor manufacturing. In one or more embodiments, a chamber kit for processing chambers applicable for semiconductor manufacturing includes a plate formed of a transparent material. The plate includes an opening formed in an outer face of the plate. The chamber kit includes a first calibration substrate positioned at least partially in the opening of the plate, and the first calibration substrate is formed of a first material. The chamber kit includes a second calibration substrate positioned at least partially in the opening of the plate, and the second calibration substrate is formed of a second material that is different than the first material.
    Type: Application
    Filed: June 27, 2023
    Publication date: January 2, 2025
    Inventors: Zhepeng CONG, Tao SHENG, Khokan C. PAUL, Ashur J. ATANOS, Nimrod SMITH, Vinh N. TRAN
  • Patent number: 12170213
    Abstract: Embodiments of the present disclosure generally relate to a susceptor for thermal processing of semiconductor substrates. In one embodiment, the susceptor includes an inner region having a pattern formed in a top surface thereof, the pattern including a plurality of substrate support features separated by a plurality of venting channels. The susceptor includes a rim surrounding and coupled to the inner region, wherein the inner region is recessed relative to the rim to form a recessed pocket configured to receive a substrate. The susceptor includes a plurality of bumps extending radially inward from an inner diameter of the rim, the plurality of bumps configured to contact an outer edge of a substrate supported by the plurality of substrate support features for positioning the substrate within the recessed pocket.
    Type: Grant
    Filed: February 17, 2021
    Date of Patent: December 17, 2024
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Zhepeng Cong, Nyi Oo Myo
  • Publication number: 20240410078
    Abstract: Embodiments of the present disclosure generally relate to apparatus, systems, and methods for in-situ film growth rate monitoring. A thickness of a film on a substrate is monitored during a substrate processing operation that deposits the film on the substrate. The thickness is monitored while the substrate processing operation is conducted. The monitoring includes directing light in a direction toward a crystalline coupon. The direction is perpendicular to a heating direction. In one implementation, a reflectometer system to monitor film growth during substrate processing operations includes a first block that includes a first inner surface. The reflectometer system includes a light emitter disposed in the first block and oriented toward the first inner surface, and a light receiver disposed in the first block and oriented toward the first inner surface. The reflectometer system includes a second block opposing the first block.
    Type: Application
    Filed: August 14, 2024
    Publication date: December 12, 2024
    Inventors: Zhepeng CONG, Nyi Oo MYO, Tao SHENG, Yong ZHENG
  • Patent number: 12165934
    Abstract: A method for processing a substrate within a processing chamber comprises receiving a first radiation signal corresponding to a film on a target element disposed within the processing chamber, analyzing the first radiation signal, and controlling the processing of the substrate based on the analyzed first radiation signal. The processing chamber includes a substrate support configured to support the substrate within a processing volume and a controller coupled to a first sensing device configured to receive the first radiation signal.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: December 10, 2024
    Assignee: Applied Materials, Inc.
    Inventors: Zuoming Zhu, Shu-Kwan Lau, Ala Moradian, Enle Choo, Flora Fong-Song Chang, Vilen K Nestorov, Zhiyuan Ye, Bindusagar Marath Sankarathodi, Maxim D. Shaposhnikov, Surendra Singh Srivastava, Zhepeng Cong, Patricia M. Liu, Errol C. Sanchez, Jenny C. Lin, Schubert S. Chu, Balakrishnam R. Jampana
  • Publication number: 20240363327
    Abstract: Embodiments of the disclosure provided herein include an apparatus and method for lamp heating in process chambers used to process semiconductor substrates. The apparatus includes a lamp for use in a processing chamber, the lamp having a lamp envelope with an interior volume, a first end of the lamp envelope coupled to a base, a second end of the lamp envelope opposing the first end, a filament disposed within the interior volume, and a radiation shield proximate to the second end. In another embodiment, the lamp assembly has at least one lamp, the at least one lamp having a lamp envelope having an interior volume, a first end of the lamp envelope coupled to a base, a second end of the lamp envelope opposing the first end, a filament disposed within the interior volume, and a radiation shield proximate to the second end.
    Type: Application
    Filed: April 28, 2023
    Publication date: October 31, 2024
    Inventors: Zhepeng CONG, Ashur J. ATANOS, Nimrod SMITH, Tao SHENG
  • Publication number: 20240363448
    Abstract: Embodiments of the present disclosure relate to measuring systems, processing systems, and related apparatus and methods that include band gap materials for temperature measurement calibration. In one or more embodiments, a measurement system includes a substrate support assembly that includes an inner section and an outer section. The inner section includes a first face, a second face opposing the first face, one or more first support recesses formed in the first face, and one or more openings extending between the one or more first support recesses and the second face. The measurement system includes one or more calibration substrates sized and shaped for positioning at least partially in the one or more first support recesses. The measurement system includes a band edge calibration assembly that includes an energy source and a band edge detector.
    Type: Application
    Filed: January 19, 2024
    Publication date: October 31, 2024
    Inventors: Zhepeng CONG, Zuoming ZHU, Ala MORADIAN, Tao SHENG, Khokan C. PAUL, Ashur J. ATANOS
  • Publication number: 20240352579
    Abstract: A process chamber is provided including a chamber body enclosing an interior volume and a substrate support assembly in the interior volume. The substrate support assembly includes a substrate support having a substrate receiving surface, an upper plate, and a lower plate, the upper plate positioned over the substrate support. The substrate support is positioned over and spaced apart from the lower plate.
    Type: Application
    Filed: April 24, 2023
    Publication date: October 24, 2024
    Inventor: Zhepeng CONG
  • Publication number: 20240347372
    Abstract: Described herein are a susceptor, processing chambers having the same, and method for substrate processing using the same. In one example, a susceptor for supporting a substrate during processing is provided. The susceptor has a disk shaped body that includes a rim circumscribing an inner region. The inner region is recessed to form a recessed pocket that is configured to receive a substrate. A plurality of bumps extend radially into the inner region that are configured to contact an outer edge of the substrate when the substrate is disposed in the recessed pocket. A venting region is defined within the inner region. The venting region is defined by a plurality of vent holes formed through the body. The venting region terminates at a radius originating from a centerline of the body that is at least 4.0 millimeter less than a radius defining an inner wall of the rim.
    Type: Application
    Filed: April 11, 2024
    Publication date: October 17, 2024
    Inventors: Balakrishnam R. JAMPANA, Masato ISHII, Zhepeng CONG
  • Publication number: 20240339352
    Abstract: A substrate support assembly is provided including: a susceptor assembly that includes an inner portion having an inner body, an outer rim disposed around the inner body, and a plurality of recessed portions, each recessed portion recessed relative to a lower surface of the inner body; and an outer portion positioned around the inner portion, the outer portion including an inner ledge. The outer rim of the inner portion is positioned on the inner ledge of the outer portion; and a first plurality of lift pins. Each lift pin of the first plurality of lift pins underlies one of the recessed portions of the inner portion of the susceptor assembly.
    Type: Application
    Filed: April 7, 2023
    Publication date: October 10, 2024
    Inventors: Zhepeng CONG, Nimrod SMITH, Zuoming ZHU, Surendra Singh SRIVASTAVA
  • Publication number: 20240337537
    Abstract: The present disclosure relates to systems, apparatus, and methods for monitoring plate temperature for semiconductor manufacturing. In one or more embodiments, a system for processing substrates and applicable for semiconductor manufacturing includes a chamber body including one or more sidewalls. The system includes a lid and a window, the one or more sidewalls, the window, and the lid at least partially defining an internal volume. The system includes one or more heat sources configured to heat the internal volume, a substrate support disposed in the internal volume, and a first optical sensor configured to detect energy having a first wavelength that is less than 4.0 microns. The system includes a second optical sensor configured to detect energy having a second wavelength that is less than the first wavelength.
    Type: Application
    Filed: April 10, 2023
    Publication date: October 10, 2024
    Inventors: Zhepeng CONG, Nimrod SMITH, Ashur J. ATANOS, Tao SHENG