Patents by Inventor Muhammad M. Rasheed

Muhammad M. Rasheed 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: 11932939
    Abstract: Apparatus for processing a substrate are provided herein. In some embodiments, a lid for a substrate processing chamber includes: a lid plate comprising an upper surface and a contoured bottom surface, the upper surface having a central opening and the contoured bottom surface having a first portion that extends downwardly and outwardly from the central opening to a peripheral portion of the lid plate and a second portion that extends radially outward along the peripheral portion of the lid plate; an upper flange extending radially outward from the lid plate; and one or more channels formed through the lid plate from the upper surface of the lid plate to the second portion of the contoured bottom surface.
    Type: Grant
    Filed: April 28, 2021
    Date of Patent: March 19, 2024
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Muhammad M. Rasheed, Srinivas Gandikota, Mario Dan Sanchez, Guoqiang Jian, Yixiong Yang, Deepak Jadhav, Ashutosh Agarwal
  • Publication number: 20230357927
    Abstract: Process chamber lids having a pumping liner with a showerhead and gas funnel within an open central region are described. The showerhead is spaced a distance from the gas funnel to form a gap and the gas funnel has an opening to provide a flow of gas into the gap. The gas funnel includes a plurality of apertures extending from the front surface to a common region adjacent the back surface of the gas funnel. A purge ring is in contact with the back surface of the gas funnel and aligned so that a circular channel formed in the bottom surface of the purge ring body is positioned adjacent the common area of the apertures in the gas funnel.
    Type: Application
    Filed: July 20, 2023
    Publication date: November 9, 2023
    Applicant: Applied Materials, Inc.
    Inventors: Muhannad Mustafa, Muhammad M. Rasheed, Mario D. Sanchez, Anqing Cui
  • Publication number: 20230307216
    Abstract: Processing chambers comprising a chamber body, a remote plasma source (RPS) outside the chamber body, a first connection line between the remote plasma source and the interior volume of the chamber body through the top wall and a second connection line between the remote plasma source and the interior volume through the sidewall of the chamber body. Methods of cleaning a processing chamber comprising flowing an etchant gas through the RPS into the chamber body, followed by a flow recovery gas through the RPS into the chamber body through both the first connection line and second connection line.
    Type: Application
    Filed: October 18, 2022
    Publication date: September 28, 2023
    Applicant: Applied Materials, Inc.
    Inventors: Prasanth Narayanan, Shrihari Sampathkumar, Keiichi Tanaka, Mario D. Sanchez, Muhammad M. Rasheed, Mandyam Sriram
  • Patent number: 11767593
    Abstract: Gas distribution assemblies and process chambers comprising gas distribution assemblies are described. The gas distribution assembly includes a gas distribution plate, a lid and a primary O-ring. The primary O-ring is positioned between a purge channel of a first contact surface of the gas distribution plate and a second contact surface. Methods of sealing a process chamber using the disclosed gas distribution assemblies are also described.
    Type: Grant
    Filed: September 20, 2022
    Date of Patent: September 26, 2023
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Muhannad Mustafa, Muhammad M. Rasheed
  • Patent number: 11767590
    Abstract: Process chamber lids having a pumping liner with a showerhead and gas funnel within an open central region are described. The showerhead is spaced a distance from the gas funnel to form a gap and the gas funnel has an opening to provide a flow of gas into the gap. The gas funnel includes a plurality of apertures extending from the front surface to a common region adjacent the back surface of the gas funnel. A purge ring is in contact with the back surface of the gas funnel and aligned so that a circular channel formed in the bottom surface of the purge ring body is positioned adjacent the common area of the apertures in the gas funnel.
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: September 26, 2023
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Muhannad Mustafa, Muhammad M. Rasheed, Mario D. Sanchez, Anqing Cui
  • Patent number: 11732358
    Abstract: Process chamber lids, processing chambers and methods using the lids are described. The lid includes a pumping liner with a showerhead, blocker plate and gas funnel positioned therein. A liner heater is positioned on the pumping liner to control temperature in the pumping liner. Gas is flowed into the gas funnel using a dead-volume free one-way valve with a remote plasma source.
    Type: Grant
    Filed: August 17, 2022
    Date of Patent: August 22, 2023
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Muhannad Mustafa, Muhammad M. Rasheed, Mario D. Sanchez, Srinivas Gandikota, Wei V. Tang
  • Patent number: 11719255
    Abstract: Pumping liners for process chambers including a first ring-shaped body and a second ring-shaped body are described. The first ring-shaped body has a first plurality of openings and the second ring-shaped body has a second plurality of openings. The first ring-shaped body and the second ring-shaped body are rotatable relative to each other around a central axis to at least partially overlap the first plurality of openings and the second plurality of openings to change the area of conductance through the openings. Methods of removing gases from a processing chamber are also described.
    Type: Grant
    Filed: July 26, 2022
    Date of Patent: August 8, 2023
    Assignee: Applied Materials, Inc.
    Inventors: Muhannad Mustafa, Muhammad M. Rasheed, Mario D. Sanchez
  • Publication number: 20230125613
    Abstract: Embodiments of the present disclosure generally relate to an apparatus for improving the film thickness on a substrate when using a heated substrate support. A cover plate to be placed over the top surface of a heated substrate support is disclosed. The cover plate includes a pocket formed in the middle thereof for the placement of a substrate. The cover plate may include a variety of features including a plurality of dimples, a plurality of radially disposed grooves, a plurality of annular grooves, lift pin holes, pin slots, and gas exhaust holes.
    Type: Application
    Filed: December 20, 2022
    Publication date: April 27, 2023
    Inventors: Muhammad M. RASHEED, Ilker DURUKAN
  • Patent number: 11598454
    Abstract: Connector assemblies for holding two tubes together and methods of use are described. The connector assemblies have an inner bolt, a split outer bolt comprising at least two outer bolt sections and a clamp bolt. The clamp bolt holds the outer bolt sections together to form the split outer bolt and the inner bolt is screwed into the outer bolt to enclose the two tube ends.
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: March 7, 2023
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Muhannad Mustafa, Muhammad M. Rasheed
  • Patent number: 11566327
    Abstract: Methods and apparatus to reduce pressure fluctuations in a chemical delivery system for a process chamber are provided herein. In some embodiments, a chemical delivery system for a process chamber, includes: a carrier gas supply; an ampoule fluidly coupled to the carrier gas supply via a first supply line, wherein the ampoule is configured to supply one or more process gases to the process chamber via a second supply line; an inlet valve disposed in line with the first supply line to control a flow of a carrier gas from the carrier gas supply to the ampoule; and a first control valve disposed in line with a pressure regulation line, wherein the pressure regulation line is fluidly coupled to the first supply line at a tee location between the carrier gas supply and the inlet valve.
    Type: Grant
    Filed: November 20, 2020
    Date of Patent: January 31, 2023
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Ilker Durukan, Muhammad M. Rasheed, Kenric Choi, Tatsuya Sato
  • Patent number: 11562914
    Abstract: Embodiments of the present disclosure generally relate to an apparatus for improving the film thickness on a substrate when using a heated substrate support. A cover plate to be placed over the top surface of a heated substrate support is disclosed. The cover plate includes a pocket formed in the middle thereof for the placement of a substrate. The cover plate may include a variety of features including a plurality of dimples, a plurality of radially disposed grooves, a plurality of annular grooves, lift pin holes, pin slots, and gas exhaust holes.
    Type: Grant
    Filed: April 12, 2021
    Date of Patent: January 24, 2023
    Assignee: Applied Materials, Inc.
    Inventors: Muhammad M. Rasheed, Ilker Durukan
  • Publication number: 20230015613
    Abstract: Gas distribution assemblies and process chambers comprising gas distribution assemblies are described. The gas distribution assembly includes a gas distribution plate, a lid and a primary O-ring. The primary O-ring is positioned between a purge channel of a first contact surface of the gas distribution plate and a second contact surface. Methods of sealing a process chamber using the disclosed gas distribution assemblies are also described.
    Type: Application
    Filed: September 20, 2022
    Publication date: January 19, 2023
    Applicant: Applied Materials, Inc.
    Inventors: Muhannad Mustafa, Muhammad M. Rasheed
  • Publication number: 20220389585
    Abstract: Process chamber lids, processing chambers and methods using the lids are described. The lid includes a pumping liner with a showerhead, blocker plate and gas funnel positioned therein. A liner heater is positioned on the pumping liner to control temperature in the pumping liner. Gas is flowed into the gas funnel using a dead-volume free one-way valve with a remote plasma source.
    Type: Application
    Filed: August 17, 2022
    Publication date: December 8, 2022
    Applicant: Applied Materials, Inc.
    Inventors: Muhannad Mustafa, Muhammad M. Rasheed, Mario D. Sanchez, Srinivas Gandikota, Wei V. Tang
  • Publication number: 20220364575
    Abstract: Pumping liners for process chambers including a first ring-shaped body and a second ring-shaped body are described. The first ring-shaped body has a first plurality of openings and the second ring-shaped body has a second plurality of openings. The first ring-shaped body and the second ring-shaped body are rotatable relative to each other around a central axis to at least partially overlap the first plurality of openings and the second plurality of openings to change the area of conductance through the openings. Methods of removing gases from a processing chamber are also described.
    Type: Application
    Filed: July 26, 2022
    Publication date: November 17, 2022
    Applicant: Applied Materials, Inc.
    Inventors: Muhannad Mustafa, Muhammad M. Rasheed, Mario D. Sanchez
  • Publication number: 20220356572
    Abstract: Pump liners and process chambers with the pump liners are described. The pump liner has a ring-shaped body with an annular wall enclosing a process region. A plurality of circumferentially spaced openings provide fluid communication through the annular wall between the process region and a region outside of the ring-shaped body. Each of the plurality of circumferentially spaced openings has a self-adjusting valve assembly. Self-adjusting valves and processing methods are also described.
    Type: Application
    Filed: May 9, 2022
    Publication date: November 10, 2022
    Applicant: Applied Materials, Inc.
    Inventors: Muhannad Mustafa, Muhammad M. Rasheed
  • Patent number: 11495932
    Abstract: Embodiments of a slip ring for use in a rotatable substrate support are provided herein. In some embodiments a slip ring includes a main body having a top wall, a bottom wall, and a sidewall extending between the top and bottom walls, wherein the top wall, bottom wall, and sidewall define an inner volume within the main body, wherein a central opening is formed through the top wall; a plurality of annular containers disposed within the inner volume and coaxially with the main body, wherein the plurality of annular containers are vertically spaced apart from one another, and wherein each of the plurality of annular containers contains a first volume of an electrically conductive liquid; an upper cylindrical body rotatably disposed in the central opening; a lower cylindrical body fixedly coupled to the lower wall of the main body.
    Type: Grant
    Filed: June 6, 2018
    Date of Patent: November 8, 2022
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Muhannad Mustafa, Yu Chang, William Kuang, Muhammad M. Rasheed, Xiping Huo
  • Publication number: 20220344134
    Abstract: Methods and apparatus for processing substrates are provided herein. In some embodiments, a process kit for a substrate support includes: an upper edge ring made of quartz and having an upper surface and a lower surface, wherein the upper surface is substantially planar and the lower surface includes a stepped lower surface to define a radially outermost portion and a radially innermost portion of the upper edge ring.
    Type: Application
    Filed: July 11, 2022
    Publication date: October 27, 2022
    Applicant: Applied Materials, Inc.
    Inventors: Muhannad MUSTAFA, Muhammad M. RASHEED, Yu LEI, Avgerinos V. GELATOS, Vikash BANTHIA, Victor H. CALDERON, Shi Wei TOH, Yung-Hsin LEE, Anindita SEN
  • Patent number: 11479859
    Abstract: Gas distribution assemblies and process chamber comprising gas distribution assemblies are described. The gas distribution assembly includes a gas distribution plate, a lid and a primary O-ring. The primary O-ring is positioned between a purge channel of a first contact surface of the gas distribution plate and a second contact surface. Methods of sealing a process chamber using the disclosed gas distribution assemblies are described.
    Type: Grant
    Filed: April 9, 2020
    Date of Patent: October 25, 2022
    Assignee: Applied Materials, Inc.
    Inventors: Muhannad Mustafa, Muhammad M. Rasheed
  • Patent number: 11447866
    Abstract: Process chamber lids, processing chambers and methods using the lids are described. The lid includes a pumping liner with a showerhead, blocker plate and gas funnel positioned therein. A liner heater is positioned on the pumping liner to control temperature in the pumping liner. Gas is flowed into the gas funnel using a dead-volume free one-way valve with a remote plasma source.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: September 20, 2022
    Assignee: Applied Materials, Inc.
    Inventors: Muhannad Mustafa, Muhammad M. Rasheed, Mario D. Sanchez, Srinivas Gandikota, Wei V. Tang
  • Patent number: 11427912
    Abstract: Embodiments of substrate processing equipment and rotatable substrate supports incorporating the same are provided herein. In some embodiments, the substrate support may include a pedestal having a substrate receiving surface, a shaft having an upper end, a lower end, and a central opening, where the shaft is coupled to the pedestal at the upper end, a hub circumscribing the shaft, where the shaft is rotatable with respect to the hub, and where the hub includes a first port that extends from an outer surface of the hub to a volume between the hub and the shaft, and a ferrofluid sealing assembly disposed between the hub and the shaft.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: August 30, 2022
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Muhannad Mustafa, Muhammad M. Rasheed