Patents by Inventor Daemian Raj

Daemian Raj 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: 20250259829
    Abstract: A component, system, and method for improved foreline cleaning of semiconductor chambers and components are disclosed herein. In one example, a processing chamber component includes a foreline constructed from stainless steel having a circular cross sectional shape and an inner surface. The foreline further includes a first end configured to couple to a processing chamber, a second end configured to couple to a valve, and a coating disposed within the inner surface of the foreline, the coating having a thickness between about 150 nanometers and about 525 nanometer. Further, the first end includes a first flange, the second end comprises a second flange, wherein the first end and the second end are coupled by a bend. Further, the coating has properties configured to reduce depositions within the foreline.
    Type: Application
    Filed: February 14, 2025
    Publication date: August 14, 2025
    Inventors: Daemian Raj Benjamin RAJ, Nuo WANG, Zaoyuan GE, Sungwon HA, Bharati NEELAMRAJU, Prashant Kumar KULSHRESHTHA, Jennifer Y. SUN, Prasath POOMANI, Prakash HUDEDA
  • Publication number: 20250224063
    Abstract: Exemplary modular gas blocks may include a body having inlet and outlet ends. The body may define a portion of a first gas path along a length of the body and may define a second gas path along a width of the body. The first gas path may include channel segments defined within the body. The inlet end may define a gas inlet that is coupled with the first gas path. The body may define first fluid ports that are coupled with the first gas path. A fluid port of the first fluid ports may be coupled with the gas inlet. The first fluid ports may be coupled with one another via a respective channel segment. An upper surface may define a lateral fluid port that is spaced apart from a first fluid port along the width and is coupled with the first fluid port via the second gas path.
    Type: Application
    Filed: March 28, 2025
    Publication date: July 10, 2025
    Applicant: Applied Materials, Inc.
    Inventors: Daemian Raj Benjamin Raj, Kiran Garikipati, Kurt Langeland, Syed A. Alam
  • Patent number: 12338530
    Abstract: Exemplary semiconductor processing chambers may include a chamber body. The chambers may include a substrate support disposed within the chamber body. The substrate support may define a substrate support surface. The chambers may include a showerhead positioned supported atop the chamber body. The substrate support and a bottom surface of the showerhead may at least partially define a processing region within the semiconductor processing chamber. The showerhead may define a plurality of apertures through the showerhead. The bottom surface of the showerhead may define an annular groove or ridge that is positioned directly above at least a portion of the substrate support.
    Type: Grant
    Filed: July 9, 2021
    Date of Patent: June 24, 2025
    Assignee: Applied Materials, Inc.
    Inventors: Saketh Pemmasani, Daemian Raj Benjamin Raj, Xiaopu Li, Akshay Dhanakshirur, Mayur Govind Kulkarni, Madhu Santosh Kumar Mutyala, Deenesh Padhi, Hang Yu
  • Patent number: 12297946
    Abstract: Exemplary modular gas blocks may include a body having inlet and outlet ends. The body may define a portion of a first gas path along a length of the body and may define a second gas path along a width of the body. The first gas path may include channel segments defined within the body. The inlet end may define a gas inlet that is coupled with the first gas path. The body may define first fluid ports that are coupled with the first gas path. A fluid port of the first fluid ports may be coupled with the gas inlet. The first fluid ports may be coupled with one another via a respective channel segment. An upper surface may define a lateral fluid port that is spaced apart from a first fluid port along the width and is coupled with the first fluid port via the second gas path.
    Type: Grant
    Filed: March 10, 2023
    Date of Patent: May 13, 2025
    Assignee: Applied Materials, Inc.
    Inventors: Daemian Raj Benjamin Raj, Kiran Garikipati, Kurt R. Langeland, Syed A. Alam
  • Publication number: 20250140537
    Abstract: Semiconductor processing chambers and systems, as well as methods of cleaning such chambers and systems are provided. Processing chambers and systems include a chamber body that defines a processing region, a liner positioned within the chamber body that defines a liner volume, a faceplate positioned atop the liner, a substrate support disposed within the chamber body, and a cleaning gas source coupled with the liner volume through a cleaning gas plenum and one or more inlet apertures. Systems and chambers include where at least one of the one or more inlet apertures is disposed in the processing region between the faceplate and a bottom wall of the chamber body.
    Type: Application
    Filed: December 13, 2023
    Publication date: May 1, 2025
    Applicant: Applied Materials, Inc.
    Inventors: Zaoyuan Ge, Manjunath Veerappa Chobari Patil, Pavan Kumar S M, Dinesh Babu, Nuo Wang, Kaili Yu, Xinyi Zhong, Bharati Neelamraju, Liangfa Hu, Neela Ayalasomayajula, Sungwon Ha, Prashant Kumar Kulshreshtha, Amit Bansal, Daemian Raj Benjamin Raj, Badri N. Ramamurthi, Travis Mazzy, Mohammed Salman Mohiuddin, Karthik Suresh Menon, Lihua Wu, Prasath Poomani
  • Publication number: 20250076097
    Abstract: Systems and methods for monitoring and detecting a malfunction within a gas distribution system are provided. A system may first enable, by a controller, gas flow through a flow path of the gas distribution system. Afterwards, the system may receive data including pressure data and/or flow rate data associated with the flow path of the gas distribution system while gas flow is enabled through the flow path. The system may process the data to determine whether the first flow path of the gas distribution system includes a malfunction. Responsive to determining that the flow path includes a malfunction, the system may determine a relative location of the malfunction within the flow path, with respect to a mass flow controller (MFC) or sensor within the flow path. The system may generate a report indicating whether the flow path includes a malfunction and a relative location of any determined malfunction.
    Type: Application
    Filed: September 27, 2023
    Publication date: March 6, 2025
    Inventors: Daemian Raj Benjamin Raj, Hassan Ali, Travis Clark Mazzy, Thorsten Kril, Vignesh Kumar Venkateshwar, Venkatanarayana Shankaramurthy
  • Publication number: 20250006487
    Abstract: In one example, a process chamber comprises a lid assembly, a first gas supply, second gas supply, a chamber body, and a substrate support. The lid assembly comprises a gas box, a gas conduit passing through the gas box, a blocker plate, and a showerhead. The gas box comprises a gas distribution plenum, and a distribution plate comprising a plurality of holes aligned with the gas distribution plenum. The blocker plate is coupled to the gas box forming a first plenum. The showerhead is coupled to the blocker plate forming a second plenum. The first gas supply is coupled to the gas distribution plenum, and the second gas supply system is coupled to the gas conduit. The chamber body is coupled to the showerhead, and the substrate support assembly is disposed within an interior volume of the chamber body, and is configured to support a substrate during processing.
    Type: Application
    Filed: September 11, 2024
    Publication date: January 2, 2025
    Inventors: Daemian Raj BENJAMIN RAJ, Gregory Eugene CHICHKANOFF, Shailendra SRIVASTAVA, Sai Susmita ADDEPALLI, Nikhil Sudhindrarao JORAPUR, Abhigyan KESHRI, Allison YAU
  • Patent number: 12159785
    Abstract: In one example, a process chamber comprises a lid assembly, a first gas supply, second gas supply, a chamber body, and a substrate support. The lid assembly comprises a gas box, a gas conduit passing through the gas box, a blocker plate, and a showerhead. The gas box comprises a gas distribution plenum, and a distribution plate comprising a plurality of holes aligned with the gas distribution plenum. The blocker plate is coupled to the gas box forming a first plenum. The showerhead is coupled to the blocker plate forming a second plenum. The first gas supply is coupled to the gas distribution plenum, and the second gas supply system is coupled to the gas conduit. The chamber body is coupled to the showerhead, and the substrate support assembly is disposed within an interior volume of the chamber body, and is configured to support a substrate during processing.
    Type: Grant
    Filed: September 11, 2023
    Date of Patent: December 3, 2024
    Assignee: Applied Materials, Inc.
    Inventors: Daemian Raj Benjamin Raj, Gregory Eugene Chichkanoff, Shailendra Srivastava, Sai Susmita Addepalli, Nikhil Sudhindrarao Jorapur, Abhigyan Keshri, Allison Yau
  • Patent number: 12110590
    Abstract: A faceplate for a substrate process chamber comprises a first and second surface. The second surface is shaped such that the second surface includes a peak and a distance between the first and second surface varies across the width of the faceplate. The second surface of the faceplate is exposed to a processing volume of the process chamber. Further, the faceplate may be part of a lid assembly for the process chamber. The lid assembly may include a blocker plate facing the first surface of the faceplate. A distance between the blocker plate and the first surface is constant.
    Type: Grant
    Filed: October 18, 2023
    Date of Patent: October 8, 2024
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Shailendra Srivastava, Sai Susmita Addepalli, Nikhil Sudhindrarao Jorapur, Daemian Raj Benjamin Raj, Amit Kumar Bansal, Juan Carlos Rocha-Alvarez, Gregory Eugene Chichkanoff, Xinhai Han, Masaki Ogata, Kristopher Enslow, Wenjiao Wang
  • Patent number: 12094689
    Abstract: Exemplary semiconductor processing systems may include a processing chamber including a lid stack having an output manifold. The systems may include a gas panel. The systems may include an input manifold. The input manifold may fluidly couple the gas panel with the output manifold of the processing chamber. A delivery line may extend from the input manifold to the output manifold. The systems may include a first transmission line extending from a first set of precursor sources of the gas panel to the delivery line. The systems may include a second transmission line extending from a second set of precursor sources of the gas panel to the delivery line. The second transmission line may be switchably coupled between the delivery line and an exhaust of the semiconductor processing system.
    Type: Grant
    Filed: July 19, 2020
    Date of Patent: September 17, 2024
    Assignee: Applied Materials, Inc.
    Inventors: Sai Susmita Addepalli, Yue Chen, Abhigyan Keshri, Qiang Ma, Zhijun Jiang, Shailendra Srivastava, Daemian Raj Benjamin Raj, Ganesh Balasubramanian
  • Patent number: 11956883
    Abstract: A method and apparatus for controlling RF plasma attributes is disclosed. Some embodiments of the disclosure provide RF sensors within processing chambers operable at high temperatures. Some embodiments provide methods of measuring RF plasma attributes using RF sensors within a processing chamber to provide feedback control for an RF generator.
    Type: Grant
    Filed: December 23, 2022
    Date of Patent: April 9, 2024
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Zheng John Ye, Daemian Raj Benjamin Raj, Shailendra Srivastava, Nikhil Sudhindrarao Jorapur, Ndanka O. Mukuti, Dmitry A. Dzilno, Juan Carlos Rocha
  • Patent number: 11946686
    Abstract: A fluid delivery device is disclosed. The fluid delivery device includes a fluid flow meter. The fluid flow meter is enclosed in an insulated box. An intake is provided on the insulated box for providing a forced cooling gas flow over the fluid flow meter. An exhaust is provided on the insulated box from which the forced cooling gas exits the insulated box.
    Type: Grant
    Filed: March 14, 2019
    Date of Patent: April 2, 2024
    Assignee: Applied Materials, Inc.
    Inventors: Shailendra Srivastava, Syed Alam, Nikhil Sudhindrarao Jorapur, Daemian Raj Benjamin Raj, Juan Carlos Rocha-Alvarez
  • Publication number: 20240044000
    Abstract: A faceplate for a substrate process chamber comprises a first and second surface. The second surface is shaped such that the second surface includes a peak and a distance between the first and second surface varies across the width of the faceplate. The second surface of the faceplate is exposed to a processing volume of the process chamber. Further, the faceplate may be part of a lid assembly for the process chamber. The lid assembly may include a blocker plate facing the first surface of the faceplate. A distance between the blocker plate and the first surface is constant.
    Type: Application
    Filed: October 18, 2023
    Publication date: February 8, 2024
    Inventors: Shailendra SRIVASTAVA, Sai Susmita ADDEPALLI, Nikhil Sudhindrarao JORAPUR, Daemian Raj BENJAMIN RAJ, Amit Kumar BANSAL, Juan Carlos ROCHA-ALVAREZ, Gregory Eugene CHICHKANOFF, Xinhai HAN, Masaki OGATA, Kristopher ENSLOW, Wenjiao WANG
  • Publication number: 20240043994
    Abstract: Exemplary semiconductor processing systems may include a gas source coupled with a number of processing chambers. The gas source may include a controller. Each chamber may include an exhaust assembly having a foreline and a pump. The systems may include at least one abatement system coupled with each pump. The systems may include a plurality of exhaust lines that extend between each pump and the abatement system. The systems may include a dilution gas source coupled with each exhaust line. The systems may include a mass flow controller coupled between the dilution gas source and each exhaust line. The systems may include a temperature sensor coupled with each exhaust line between the pump and the abatement system. The temperature sensor may be communicatively coupled with the controller of the gas source, which may control flow of a gas to a chamber based on a measurement from the temperature sensor.
    Type: Application
    Filed: August 8, 2022
    Publication date: February 8, 2024
    Applicant: Applied Materials, Inc.
    Inventors: Daemian Raj Benjamin Raj, Liliya I. Krivulina, Bharath Kumar Hanchanoor Rathnakara Gowda, Collen Leng, Syed A. Alam, Uwe P. Haller, Robert Casanova, Ryan Thomas Downey, Peter Standish
  • Publication number: 20230420245
    Abstract: In one example, a process chamber comprises a lid assembly, a first gas supply, second gas supply, a chamber body, and a substrate support. The lid assembly comprises a gas box, a gas conduit passing through the gas box, a blocker plate, and a showerhead. The gas box comprises a gas distribution plenum, and a distribution plate comprising a plurality of holes aligned with the gas distribution plenum. The blocker plate is coupled to the gas box forming a first plenum. The showerhead is coupled to the blocker plate forming a second plenum. The first gas supply is coupled to the gas distribution plenum, and the second gas supply system is coupled to the gas conduit. The chamber body is coupled to the showerhead, and the substrate support assembly is disposed within an interior volume of the chamber body, and is configured to support a substrate during processing.
    Type: Application
    Filed: September 11, 2023
    Publication date: December 28, 2023
    Inventors: Daemian Raj BENJAMIN RAJ, Gregory Eugene CHICHKANOFF, Shailendra SRIVASTAVA, Sai Susmita ADDEPALLI, Nikhil Sudhindrarao JORAPUR, Abhigyan KESHRI, Allison YAU
  • Patent number: 11851759
    Abstract: A faceplate for a substrate process chamber comprises a first and second surface. The second surface is shaped such that the second surface includes a peak and a distance between the first and second surface varies across the width of the faceplate. The second surface of the faceplate is exposed to a processing volume of the process chamber. Further, the faceplate may be part of a lid assembly for the process chamber. The lid assembly may include a blocker plate facing the first surface of the faceplate. A distance between the blocker plate and the first surface is constant.
    Type: Grant
    Filed: December 16, 2022
    Date of Patent: December 26, 2023
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Shailendra Srivastava, Sai Susmita Addepalli, Nikhil Sudhindrarao Jorapur, Daemian Raj Benjamin Raj, Amit Kumar Bansal, Juan Carlos Rocha-Alvarez, Gregory Eugene Chichkanoff, Xinhai Han, Masaki Ogata, Kristopher Enslow, Wenjiao Wang
  • Publication number: 20230369072
    Abstract: Exemplary fluid delivery assemblies for a semiconductor processing system may include a liquid delivery source. The assemblies may include a heater that is fluidly coupled with an outlet of the liquid delivery source. The assemblies may include a liquid flow controller that is fluidly coupled with the liquid delivery source downstream of the heater. The assemblies may include a liquid vaporizer fluidly coupled with a downstream end of the liquid flow controller. The assemblies may include a chamber delivery line coupled with an output of the liquid vaporizer.
    Type: Application
    Filed: May 13, 2022
    Publication date: November 16, 2023
    Applicant: Applied Materials, Inc.
    Inventors: Daemian Raj Benjamin Raj, Collen Leng, Syed A. Alam, Tianyang Li
  • Patent number: 11798803
    Abstract: In one example, a process chamber comprises a lid assembly, a first gas supply, second gas supply, a chamber body, and a substrate support. The lid assembly comprises a gas box, a gas conduit passing through the gas box, a blocker plate, and a showerhead. The gas box comprises a gas distribution plenum, and a distribution plate comprising a plurality of holes aligned with the gas distribution plenum. The blocker plate is coupled to the gas box forming a first plenum. The showerhead is coupled to the blocker plate forming a second plenum. The first gas supply is coupled to the gas distribution plenum, and the second gas supply system is coupled to the gas conduit. The chamber body is coupled to the showerhead, and the substrate support assembly is disposed within an interior volume of the chamber body, and is configured to support a substrate during processing.
    Type: Grant
    Filed: April 9, 2020
    Date of Patent: October 24, 2023
    Assignee: Applied Materials, Inc.
    Inventors: Daemian Raj Benjamin Raj, Gregory Eugene Chichkanoff, Shailendra Srivastava, Sai Susmita Addepalli, Nikhil Sudhindrarao Jorapur, Abhigyan Keshri, Allison Yau
  • Patent number: 11776835
    Abstract: Exemplary semiconductor processing systems may include a processing chamber and an electrostatic chuck disposed at least partially within the processing chamber. The electrostatic chuck may include at least one electrode and a heater. A semiconductor processing system may include a power supply to provide a signal to the electrode to provide electrostatic force to secure a substrate to the electrostatic chuck. The system may also include a filter communicatively coupled between the power supply and the electrode. The filter is configured to remove or reduce noise introduced into the chucking signal by operating the heater while the electrostatic force on the substrate is maintained. The filter may include active circuitry, passive circuitry, or both, and may include an adjustment circuit to set the gain of the filter so that an output signal level from the filter corresponds to an input signal level for the filter.
    Type: Grant
    Filed: September 29, 2020
    Date of Patent: October 3, 2023
    Assignee: Applied Materials, Inc.
    Inventors: Zheng John Ye, Daemian Raj Benjamin Raj, Rana Howlader, Abhigyan Keshri, Sanjay G. Kamath, Dmitry A. Dzilno, Juan Carlos Rocha-Alvarez, Shailendra Srivastava, Kristopher R. Enslow, Xinhai Han, Deenesh Padhi, Edward P. Hammond
  • Publication number: 20230288007
    Abstract: Exemplary modular gas blocks may include a body having inlet and outlet ends. The body may define a portion of a first gas path along a length of the body and may define a second gas path along a width of the body. The first gas path may include channel segments defined within the body. The inlet end may define a gas inlet that is coupled with the first gas path. The body may define first fluid ports that are coupled with the first gas path. A fluid port of the first fluid ports may be coupled with the gas inlet. The first fluid ports may be coupled with one another via a respective channel segment. An upper surface may define a lateral fluid port that is spaced apart from a first fluid port along the width and is coupled with the first fluid port via the second gas path.
    Type: Application
    Filed: March 10, 2023
    Publication date: September 14, 2023
    Applicant: Applied Materials, Inc.
    Inventors: Daemian Raj Benjamin Raj, Kiran Garikipati, Kurt R. Langeland, Syed A. Alam