Patents by Inventor DONGMING IU

DONGMING IU 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: 12176242
    Abstract: The present disclosure relates to heating a substrate in a rapid thermal processing (RTP) chamber. The chamber may contain a rotatable assembly configured to accommodate and rotate the substrate while a heat source inside the RTP chamber applies heat to the substrate. The rotatable assembly is partially disposed outside the RTP chamber. A seal may formed around the rotatable assembly and maintain a vacuum inside the RTP chamber while the rotatable assembly rotates. The rotatable assembly may configured to accommodate various-sized substrates.
    Type: Grant
    Filed: January 21, 2022
    Date of Patent: December 24, 2024
    Assignee: Applied Materials, Inc.
    Inventors: Wolfgang R. Aderhold, Dongming Iu
  • Publication number: 20240352588
    Abstract: A method and apparatus for processing a substrate are described herein. The methods and apparatus described enable a chemical vapor deposition (CVD) chamber to process substrates (also referred to as wafers herein) at different temperatures. The processing chamber includes a chamber body, a substrate support disposed within the chamber body and having a top surface, a plurality of substrate lift pins disposed through the substrate support, and a shadow ring lift assembly. The shadow ring lift assembly is operable to raise and lower a shadow ring positioned above or level with the top surface of the substrate support.
    Type: Application
    Filed: October 11, 2023
    Publication date: October 24, 2024
    Inventors: Peiqi WANG, Kai WU, Dongming IU, Mehran BEHDJAT
  • Publication number: 20240290585
    Abstract: A method of post-deposition processing includes performing a preheat process in a radical treatment chamber, the preheat process comprising exposing a substrate having a metal layer formed thereon to purge gas and purging the purge gas at a pressure of between 400 Torr and 535 Torr, and performing a radical treatment process in the radical treatment chamber, the radical treatment process comprising exposing the substrate to radical species.
    Type: Application
    Filed: February 23, 2023
    Publication date: August 29, 2024
    Inventors: Pradeep SAMPATH KUMAR, Norman L. TAM, Shashank SHARMA, Eric R. RIESKE, Victor CALDERON, Mahesh RAMAKRISHNA, Michael P. KAMP, Dongming IU, Edward T. XIA, Eric T. TRAN
  • Publication number: 20240178004
    Abstract: Aspects of the present disclosure relate to methods, systems, and apparatus for conducting a radical treatment operation on a substrate prior to conducting an annealing operation on the substrate. In one implementation, a method of processing semiconductor substrates includes pre-heating a substrate, and exposing the substrate to species radicals. The exposing of the substrate to the species radicals includes a treatment temperature that is less than 300 degrees Celsius, a treatment pressure that is less than 1.0 Torr, and a treatment time that is within a range of 8.0 minutes to 12.0 minutes. The method includes annealing the substrate after the exposing of the substrate to the species radicals. The annealing includes exposing the substrate to molecules, an anneal temperature that is 300 degrees Celsius or greater, an anneal pressure that is within a range of 500 Torr to 550 Torr, and an anneal time that is less than 4.0 minutes.
    Type: Application
    Filed: February 8, 2024
    Publication date: May 30, 2024
    Inventors: Pradeep SAMPATH KUMAR, Norman L. TAM, Dongming IU, Shashank SHARMA, Eric R. RIESKE, Michael P. KAMP
  • Patent number: 11978646
    Abstract: Embodiments of the disclosure generally relate to a semiconductor processing chamber. In one embodiment, semiconductor processing chamber is disclosed and includes a chamber body having a bottom and a sidewall defining an interior volume, the sidewall having a substrate transfer port formed therein, and one or more absorber bodies positioned in the interior volume in a position opposite of the substrate transfer port.
    Type: Grant
    Filed: May 17, 2018
    Date of Patent: May 7, 2024
    Assignee: Applied Materials, Inc.
    Inventors: Dongming Iu, Kartik Shah, Norman L. Tam, Matthew Spuller, Jau-Jiun Chen, Kong Lung Samuel Chan, Elizabeth Neville, Preetham Rao, Abhilash J. Mayur, Gia Pham
  • Publication number: 20240079252
    Abstract: A reflector plate assembly for processing a substrate includes a reflector plate having a first surface, wherein the first surface is a bare polished surface, a reflector disk embedded within the reflector plate from the first surface, a coating layer on the reflector disk, and a pyrometer disposed through an opening of the reflector disk.
    Type: Application
    Filed: September 6, 2022
    Publication date: March 7, 2024
    Inventors: Dongming IU, Jian WU
  • Patent number: 11901195
    Abstract: Aspects of the present disclosure relate to methods, systems, and apparatus for conducting a radical treatment operation on a substrate prior to conducting an annealing operation on the substrate. In one implementation, a method of processing semiconductor substrates includes pre-heating a substrate, and exposing the substrate to species radicals. The exposing of the substrate to the species radicals includes a treatment temperature that is less than 300 degrees Celsius, a treatment pressure that is less than 1.0 Torr, and a treatment time that is within a range of 8.0 minutes to 12.0 minutes. The method includes annealing the substrate after the exposing of the substrate to the species radicals. The annealing includes exposing the substrate to molecules, an anneal temperature that is 300 degrees Celsius or greater, an anneal pressure that is within a range of 500 Torr to 550 Torr, and an anneal time that is less than 4.0 minutes.
    Type: Grant
    Filed: January 5, 2022
    Date of Patent: February 13, 2024
    Assignee: Applied Materials, Inc.
    Inventors: Pradeep Sampath Kumar, Norman L. Tam, Dongming Iu, Shashank Sharma, Eric R. Rieske, Michael P. Kamp
  • Patent number: 11817297
    Abstract: Embodiments of the present disclosure relate to apparatus, systems and methods for managing organic compounds in thermal processing chambers. A gas line can be in fluid communication with the thermal processing chamber and an exhaust pump can be coupled to the thermal processing chamber by an exhaust conduit and controlled by an effluent flow control valve. The apparatus includes a sampling line with an organic compound sensor coupled to the exhaust conduit. The organic compound sensor can be in communication with a control module which can control operating parameters for processing a substrate.
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: November 14, 2023
    Assignee: Applied Materials, Inc.
    Inventors: Matthew Spuller, Dongming Iu
  • Publication number: 20230297740
    Abstract: Embodiments disclosed herein include a method of modeling a rapid thermal processing (RTP) tool. In an embodiment, the method comprises developing a lamp model of an RTP tool, wherein the lamp model comprises a plurality of lamp zones, calculating an irradiance graph for the plurality of lamp zones, multiplying irradiance values of the plurality of lamp zones in the irradiance graph by a power of an existing RTP tool at a given time during a process recipe, summing the multiplied irradiance values for the plurality of lamp zones to form an irradiation graph of the lamp model, using the irradiation graph as an input to a machine learning algorithm, and outputting the temperature across a hypothetical substrate from the machine learning algorithm.
    Type: Application
    Filed: March 15, 2022
    Publication date: September 21, 2023
    Inventors: Preetham Rao, Surajit Kumar, Dongming Iu, Wolfgang Aderhold
  • Publication number: 20230238269
    Abstract: The present disclosure relates to heating a substrate in a rapid thermal processing (RTP) chamber. The chamber may contain a rotatable assembly configured to accommodate and rotate the substrate while a heat source inside the RTP chamber applies heat to the substrate. The rotatable assembly is partially disposed outside the RTP chamber. A seal may formed around the rotatable assembly and maintain a vacuum inside the RTP chamber while the rotatable assembly rotates. The rotatable assembly may configured to accommodate various-sized substrates.
    Type: Application
    Filed: January 21, 2022
    Publication date: July 27, 2023
    Inventors: Wolfgang R. ADERHOLD, Dongming IU
  • Patent number: 11694919
    Abstract: Implementations described herein relate to pressure control for vacuum chuck substrate supports. In one implementation, a process chamber defines a process volume and a vacuum chuck support is disposed within the process volume. A pressure controller is disposed on a fluid flow path upstream from the vacuum chuck and a flow restrictor is disposed on the fluid flow path downstream from the vacuum chuck. Each of the pressure controller and flow restrictor are in fluid communication with a control volume of the vacuum chuck.
    Type: Grant
    Filed: March 21, 2017
    Date of Patent: July 4, 2023
    Assignee: Applied Materials, Inc.
    Inventors: Dongming Iu, Mehran Behdjat
  • Patent number: 11664250
    Abstract: An apparatus for measuring a temperature of an assembly that is internal to a process chamber. The apparatus may include a light pipe positioned between a lamp radiation filtering window and the assembly, the light pipe has a first end with a bevel configured to redirect infrared radiation emitted from the assembly through the light pipe and has a second end distal to the first end, an optical assembly configured to collimate, filter, and focus infrared radiation from the second end of the light pipe, an optical detector configured to receive an output from the optical assembly and generate at least one signal representative of the infrared radiation, a temperature circuit that transforms the at least one signal into a temperature value, and a controller that is configured to receive the temperature value and to make adjustments to other process parameters of process chamber based on the temperature value.
    Type: Grant
    Filed: April 25, 2022
    Date of Patent: May 30, 2023
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Ji-Dih Hu, Wolfgang R. Aderhold, Dongming Iu
  • Publication number: 20230128128
    Abstract: Aspects of the present disclosure relate to methods, systems, and apparatus for conducting a radical treatment operation on a substrate prior to conducting an annealing operation on the substrate. In one implementation, a method of processing semiconductor substrates includes pre-heating a substrate, and exposing the substrate to species radicals. The exposing of the substrate to the species radicals includes a treatment temperature that is less than 300 degrees Celsius, a treatment pressure that is less than 1.0 Torr, and a treatment time that is within a range of 8.0 minutes to 12.0 minutes. The method includes annealing the substrate after the exposing of the substrate to the species radicals. The annealing includes exposing the substrate to molecules, an anneal temperature that is 300 degrees Celsius or greater, an anneal pressure that is within a range of 500 Torr to 550 Torr, and an anneal time that is less than 4.0 minutes.
    Type: Application
    Filed: January 5, 2022
    Publication date: April 27, 2023
    Inventors: Pradeep SAMPATH KUMAR, Norman L. TAM, Dongming IU, Shashank SHARMA, Eric R. RIESKE, Michael P. KAMP
  • Patent number: 11562915
    Abstract: Methods, systems, and apparatus provide for optically monitoring individual lamps of substrate processing chambers. In one aspect, the individual lamps are monitored to determine if one or more lamps are in need of replacement. A method includes using one or more camera coupled to a borescope to capture a plurality of images of one or more lamps in a substrate processing chamber. The plurality of images is analyzed to identify a change of mean light pixel intensity in an image reference region associated with each lamp. The method includes generating an alert based on the detection of the mean light pixel intensity change.
    Type: Grant
    Filed: January 24, 2022
    Date of Patent: January 24, 2023
    Assignee: Applied Materials, Inc.
    Inventors: Ji-Dih Hu, Chaitanya Anjaneyalu Prasad, Dongming Iu, Samuel C. Howells, Vilen K. Nestorov
  • Publication number: 20220301904
    Abstract: Methods, systems, and apparatus provide for optically monitoring individual lamps of substrate processing chambers. In one aspect, the individual lamps are monitored to determine if one or more lamps are in need of replacement. A method includes using one or more camera coupled to a borescope to capture a plurality of images of one or more lamps in a substrate processing chamber. The plurality of images is analyzed to identify a change of mean light pixel intensity in an image reference region associated with each lamp. The method includes generating an alert based on the detection of the mean light pixel intensity change.
    Type: Application
    Filed: January 24, 2022
    Publication date: September 22, 2022
    Inventors: Ji-Dih HU, Chaitanya Anjaneyalu PRASAD, Dongming IU, Samuel C. HOWELLS, Vilen K. NESTOROV
  • Publication number: 20220246453
    Abstract: An apparatus for measuring a temperature of an assembly that is internal to a process chamber. The apparatus may include a light pipe positioned between a lamp radiation filtering window and the assembly, the light pipe has a first end with a bevel configured to redirect infrared radiation emitted from the assembly through the light pipe and has a second end distal to the first end, an optical assembly configured to collimate, filter, and focus infrared radiation from the second end of the light pipe, an optical detector configured to receive an output from the optical assembly and generate at least one signal representative of the infrared radiation, a temperature circuit that transforms the at least one signal into a temperature value, and a controller that is configured to receive the temperature value and to make adjustments to other process parameters of process chamber based on the temperature value.
    Type: Application
    Filed: April 25, 2022
    Publication date: August 4, 2022
    Inventors: JI-DIH HU, WOLFGANG R. ADERHOLD, DONGMING IU
  • Patent number: 11348769
    Abstract: Implementations described herein provide for thermal substrate processing apparatus including two thermal process chambers, each defining a process volume, and a substrate support disposed within each process volume. One or more remote plasma sources may be in fluid communication with the process volumes and the remote plasma sources may be configured to deliver a plasma to the process volumes. Various arrangements of remote plasma sources and chambers are described.
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: May 31, 2022
    Assignee: Applied Materials, Inc.
    Inventors: Lara Hawrylchak, Matthew D. Scotney-Castle, Norman L. Tam, Matthew Spuller, Kong Lung Samuel Chan, Dongming Iu, Stephen Moffatt
  • Patent number: 11342209
    Abstract: An apparatus for measuring a temperature of an assembly that is internal to a process chamber. The apparatus may include a light pipe positioned between a lamp radiation filtering window and the assembly, the light pipe has a first end with a bevel configured to redirect infrared radiation emitted from the assembly through the light pipe and has a second end distal to the first end, an optical assembly configured to collimate, filter, and focus infrared radiation from the second end of the light pipe, an optical detector configured to receive an output from the optical assembly and generate at least one signal representative of the infrared radiation, a temperature circuit that transforms the at least one signal into a temperature value, and a controller that is configured to receive the temperature value and to make adjustments to other process parameters of process chamber based on the temperature value.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: May 24, 2022
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Ji-Dih Hu, Wolfgang R. Aderhold, Dongming Iu
  • Publication number: 20210280391
    Abstract: Embodiments of the present disclosure relate to apparatus, systems and methods for managing organic compounds in thermal processing chambers. A gas line can be in fluid communication with the thermal processing chamber and an exhaust pump can be coupled to the thermal processing chamber by an exhaust conduit and controlled by an effluent flow control valve. The apparatus includes a sampling line with an organic compound sensor coupled to the exhaust conduit. The organic compound sensor can be in communication with a control module which can control operating parameters for processing a substrate.
    Type: Application
    Filed: March 6, 2020
    Publication date: September 9, 2021
    Inventors: Matthew SPULLER, Dongming IU
  • Publication number: 20210175101
    Abstract: An apparatus for measuring a temperature of an assembly that is internal to a process chamber. The apparatus may include a light pipe positioned between a lamp radiation filtering window and the assembly, the light pipe has a first end with a bevel configured to redirect infrared radiation emitted from the assembly through the light pipe and has a second end distal to the first end, an optical assembly configured to collimate, filter, and focus infrared radiation from the second end of the light pipe, an optical detector configured to receive an output from the optical assembly and generate at least one signal representative of the infrared radiation, a temperature circuit that transforms the at least one signal into a temperature value, and a controller that is configured to receive the temperature value and to make adjustments to other process parameters of process chamber based on the temperature value.
    Type: Application
    Filed: December 9, 2019
    Publication date: June 10, 2021
    Inventors: JI-DIH HU, WOLFGANG R. ADERHOLD, DONGMING IU