Patents by Inventor John Daugherty

John Daugherty 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: 20170110354
    Abstract: A wafer transport assembly includes first and second wafer transport modules, and a buffer module coupled between the first and second wafer transport modules. The first and second wafer transport modules and the buffer module are aligned in a single directional axis. The buffer module includes a first buffer stack positioned at a first lateral end of the buffer module, and a second buffer stack positioned at a second lateral end of the buffer module. The first lateral end of the buffer module defines a first side protrusion nested between the first and second wafer transport modules and first and second process modules. The second lateral end of the buffer module defines a second side protrusion that is nested between the first and second wafer transport modules and third and fourth process modules. The first and second wafer transport modules and the buffer module define a continuous controlled environment.
    Type: Application
    Filed: October 20, 2015
    Publication date: April 20, 2017
    Inventors: John Daugherty, David Trussell, Michael Kellogg, Christopher Pena, Richard Gould, Klay Kunkel
  • Publication number: 20170110350
    Abstract: A system for processing substrates is provided, comprising: a wafer transport assembly that is configured to transport wafers to and from one or more process modules, the wafer transport assembly having at least one wafer transport module, wherein lateral sides of the at least one wafer transport module are configured to couple to the one or more process modules; a service floor defined below the wafer transport assembly, the service floor being defined at a height that is less than a height of a fabrication facility floor in which the system is disposed.
    Type: Application
    Filed: October 18, 2016
    Publication date: April 20, 2017
    Inventors: David Trussell, John Daugherty, Michael Kellogg, Christopher Pena, Richard Gould, Klay Kunkel
  • Publication number: 20170110351
    Abstract: A load lock assembly includes a first load lock connected between an equipment front end module (EFEM) and a wafer transport module, the EFEM being at a lab ambient condition, the wafer transport module being at a vacuum condition, the wafer transport module being part of a wafer transport assembly that is configured to transport wafers to and from one or more process modules that are connected to the wafer transport assembly; a second load lock disposed over the first load lock, the second load lock connected between the EFEM and the wafer transport module; a post-processing module disposed over the second load lock, the post-processing module configured for performing a post-processing operation on a processed wafer that has been processed in at least one of the process modules that are connected to the wafer transport assembly, the post-processing module being configured for connection to the wafer transport module.
    Type: Application
    Filed: October 20, 2015
    Publication date: April 20, 2017
    Inventors: David Trussell, Richard Gould, John Daugherty
  • Patent number: 9623449
    Abstract: A dielectric window cleaning apparatus may be used for cleaning a dielectric window of a plasma processing device. The dielectric window cleaning apparatus may comprise a window support base, a fluid containing enclosure, a window rotating mechanism, a spray arm, and multiple fluid spraying nozzles. The fluid containing enclosure may include at least one overflow containment sidewall and may be located at least partially under and at least partially around a portion of the window support base. The window rotating mechanism may be operatively connected to the window support base and may rotate the window support base. The spray arm may be in fluid communication with a fluid source and may include a fluid flow channel. The multiple fluid spraying nozzles may each expel fluid from the fluid flow channel in a window cleansing spray.
    Type: Grant
    Filed: April 9, 2012
    Date of Patent: April 18, 2017
    Assignee: Lam Research Corporation
    Inventors: Armen Avoyan, Hong Shih, Cliff LaCroix, John Daugherty
  • Patent number: 9580360
    Abstract: A method of making a monolithic ceramic component of a gas delivery system of a semiconductor substrate processing apparatus wherein the gas delivery system is configured to supply process gas to a gas distribution member disposed downstream thereof. The gas distribution member is configured to supply the process gas to a processing region of a vacuum chamber of the apparatus, wherein the processing region is disposed above an upper surface of a semiconductor substrate to be processed. The method comprises preparing a green compact of ceramic material. The green compact of ceramic material is formed into a form of a desired monolithic ceramic component of the gas delivery system. The formed green compact of ceramic material is fired to form the monolithic ceramic component of the gas delivery system.
    Type: Grant
    Filed: April 1, 2015
    Date of Patent: February 28, 2017
    Assignee: LAM RESEARCH CORPORATION
    Inventors: John Daugherty, Iqbal Shareef, Mike Ingamells
  • Publication number: 20170040146
    Abstract: An apparatus for use in a plasma processing chamber is provided. The apparatus comprises part body and a coating with a thickness of no more than 30 microns consisting essentially of a Lanthanide series or Group III or Group IV element in an oxyfluoride covering a surface of the part body.
    Type: Application
    Filed: August 3, 2015
    Publication date: February 9, 2017
    Inventors: Lihua Li HUANG, Hong SHIH, Lin XU, John DAUGHERTY
  • Publication number: 20170018408
    Abstract: In accordance with this disclosure, there are provided several inventions, including an apparatus and method for creating a plasma resistant part, which may be formed of a sintered nanocrystalline ceramic material comprising yttrium, oxide, and fluoride. Example parts thus made may include windows, edge rings, or injectors. In one configuration, the parts may be yttria co-sintered with alumina, which may be transparent.
    Type: Application
    Filed: July 15, 2015
    Publication date: January 19, 2017
    Inventors: Lin XU, Hong SHIH, John DAUGHERTY, Satish SRINIVASAN, Siwen LI
  • Patent number: 9546432
    Abstract: A method of forming a dense oxide coating on an aluminum component of semiconductor processing equipment comprises cold spraying a layer of pure aluminum on a surface of the aluminum component to a predetermined thickness. A dense oxide coating is then formed on the layer of pure aluminum using a plasma electrolytic oxidation process, wherein the plasma electrolytic oxidation process causes the layer of pure aluminum to undergo microplasmic discharges, thus forming the dense oxide coating on the layer of pure aluminum on the surface of the aluminum component.
    Type: Grant
    Filed: August 4, 2015
    Date of Patent: January 17, 2017
    Assignee: LAM RESEARCH CORPORATION
    Inventors: Hong Shih, Lin Xu, John Michael Kerns, William Charles, John Daugherty, Sivakami Ramanathan, Russell Ormond, Robert G. O'Neill, Tom Stevenson
  • Publication number: 20160375515
    Abstract: In accordance with this disclosure, there are provided several inventions, including an apparatus and method for brazing at least two aluminum or aluminum alloy components and providing an anodized coating, and an atomic layer deposition coating for adding plasma corrosion resistance.
    Type: Application
    Filed: June 29, 2015
    Publication date: December 29, 2016
    Inventors: Lin XU, John DAUGHERTY, Hong SHIH, Yiwei SONG, Satish SRINIVASAN
  • Publication number: 20160379806
    Abstract: In accordance with this disclosure, there are provided several inventions, including an apparatus and method for depositing plasma resistant coatings on polymer materials used in a plasma processing chamber. In a particular example, such a coating may be made on a portion of an electrostatic chuck, where the polymer material is a bead surrounding an adhesive between a chuck base and a ceramic top plate.
    Type: Application
    Filed: June 25, 2015
    Publication date: December 29, 2016
    Inventors: Lin XU, Nash W. ANDERSON, John DAUGHERTY, Thomas R. STEVENSON, John Michael KERNS
  • Patent number: 9505036
    Abstract: A particle removal tool having a sound field transducer, a cleaning chamber, and an open sealing face. The cleaning chamber having a cleaning fluid guiding chamber extending from the sound field transducer to the open sealing face, a cleaning fluid delivery channel in fluid communication with the cleaning fluid guiding chamber, and a cleaning fluid return channel. The open sealing face has a cleaning portal disposed contiguous with a plane formed by the open sealing face and a chamber-to-surface interface seal which forms a fluid tight seal with a cleaning surface plane. The sound field transducer is disposed within a line-of-sight of the cleaning portal and generates acoustic waves with a frequency between approximately 20 kHz and approximately 2 MHz.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: November 29, 2016
    Assignee: Lam Research Corporation
    Inventors: Armen Avoyan, Cliff LaCroix, Hong Shih, John Daugherty
  • Patent number: 9502275
    Abstract: A system for processing substrates is provided, comprising: a wafer transport assembly that is configured to transport wafers to and from one or more process modules, the wafer transport assembly having at least one wafer transport module, wherein lateral sides of the at least one wafer transport module are configured to couple to the one or more process modules; a service floor defined below the wafer transport assembly, the service floor being defined at a height that is less than a height of a fabrication facility floor in which the system is disposed.
    Type: Grant
    Filed: October 20, 2015
    Date of Patent: November 22, 2016
    Assignee: Lam Research Corporation
    Inventors: David Trussell, John Daugherty, Michael Kellogg, Christopher Pena, Richard Gould, Klay Kunkel
  • Patent number: 9396912
    Abstract: In one embodiment, a method for cleaning a showerhead electrode my include sealing a showerhead electrode within a cleaning assembly such that a first cleaning volume is formed on a first side of the showerhead electrode and a second cleaning volume is formed on a second side of the showerhead electrode. An acidic solution can be loaded into the first cleaning volume on the first side of the showerhead electrode. The first cleaning volume on the first side of the showerhead electrode can be pressurized such that at least a portion of the acidic solution flows through one or more of the plurality of gas passages of the showerhead electrode. An amount of purified water can be propelled through the second cleaning volume on the second side of the showerhead electrode, and into contact with the second side of the showerhead electrode.
    Type: Grant
    Filed: May 30, 2012
    Date of Patent: July 19, 2016
    Assignee: LAM RESEARCH CORPORATION
    Inventors: Armen Avoyan, Cliff La Croix, Hong Shih, John Daugherty
  • Patent number: 9387521
    Abstract: A method of wet cleaning an aluminum part having bare aluminum surfaces and anodized aluminum surfaces. The method includes CO2 dry ice blasting the surfaces of the aluminum part at approximately 35 to approximately 45 psi, masking the aluminum part to conceal the bare aluminum surfaces, soaking the dry ice blasted and masked aluminum part in deionized water at or above approximately 60° C., scrubbing the aluminum part with an abrasive pad and deionized water after completion of the soaking in deionized water, and repeating the soaking and scrubbing in the recited order at least three additional times.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: July 12, 2016
    Assignee: Lam Research Corporation
    Inventors: Hong Shih, Fan-Cheung Sze, Brian McMillin, John Daugherty, Yan Fang, Duane Outka, Tuochuan Huang, Sivakami Ramanathan
  • Patent number: 9337002
    Abstract: Components of semiconductor material processing chambers are disclosed, which may include a substrate and at least one corrosion-resistant coating formed on a surface thereof. The at least one corrosion-resistant coating is a high purity metal coating formed by a cold-spray technique. An anodized layer can be formed on the high purity metal coating. The anodized layer comprises a process-exposed surface of the component. Semiconductor material processing apparatuses including one or more of the components are also disclosed, the components being selected from the group consisting of a chamber liner, an electrostatic chuck, a focus ring, a chamber wall, an edge ring, a plasma confinement ring, a substrate support, a baffle, a gas distribution plate, a gas distribution ring, a gas nozzle, a heating element, a plasma screen, a transport mechanism, a gas supply system, a lift mechanism, a load lock, a door mechanism, a robotic arm and a fastener.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: May 10, 2016
    Assignee: LAM RESEARCH CORPORATION
    Inventors: John Daugherty, Hong Shih, Lin Xu, Anthony Amadio, Robert G. O'Neill, Peter Holland, Sivakami Ramanathan, Tae Won Kim, Duane Outka, John Michael Kerns, Sonia Castillo
  • Patent number: 9293305
    Abstract: In one embodiment, a cleaning assembly may include a modular electrode sealing housing, an acid injection inlet, and a fluid injection inlet. The modular electrode sealing housing may include a high pressure closure member that contains a first cleaning volume and a low pressure closure member that contains a second cleaning volume. The acid injection inlet can be in fluid communication with the first cleaning volume of the high pressure closure member. The fluid injection inlet can be in fluid communication with the second cleaning volume of the low pressure closure member. During normal operation, a showerhead electrode can be sealed within the modular electrode sealing housing such that the first cleaning volume is located on a first side and the second cleaning volume is located on a second side of the showerhead electrode.
    Type: Grant
    Filed: May 30, 2012
    Date of Patent: March 22, 2016
    Assignee: LAM RESEARCH CORPORATION
    Inventors: Armen Avoyan, Cliff La Croix, Hong Shih, John Daugherty
  • Publication number: 20150337450
    Abstract: A method of forming a dense oxide coating on an aluminum component of semiconductor processing equipment comprises cold spraying a layer of pure aluminum on a surface of the aluminum component to a predetermined thickness. A dense oxide coating is then formed on the layer of pure aluminum using a plasma electrolytic oxidation process, wherein the plasma electrolytic oxidation process causes the layer of pure aluminum to undergo microplasmic discharges, thus forming the dense oxide coating on the layer of pure aluminum on the surface of the aluminum component.
    Type: Application
    Filed: August 4, 2015
    Publication date: November 26, 2015
    Applicant: LAM RESEARCH CORPORATION
    Inventors: Hong SHIH, Lin XU, John Michael KERNS, William CHARLES, John DAUGHERTY, Sivakami RAMANATHAN, Russell ORMOND, Robert G. O'NEILL, Tom STEVENSON
  • Publication number: 20150287572
    Abstract: A method of making a monolithic ceramic component of a gas delivery system of a semiconductor substrate processing apparatus wherein the gas delivery system is configured to supply process gas to a gas distribution member disposed downstream thereof. The gas distribution member is configured to supply the process gas to a processing region of a vacuum chamber of the apparatus, wherein the processing region is disposed above an upper surface of a semiconductor substrate to be processed. The method comprises preparing a green compact of ceramic material. The green compact of ceramic material is formed into a form of a desired monolithic ceramic component of the gas delivery system. The formed green compact of ceramic material is fired to form the monolithic ceramic component of the gas delivery system.
    Type: Application
    Filed: April 1, 2015
    Publication date: October 8, 2015
    Applicant: Lam Research Corporation
    Inventors: John Daugherty, Iqbal Shareef, Mike Ingamells
  • Patent number: 9123651
    Abstract: A method of forming a dense oxide coating on an aluminum component of semiconductor processing equipment comprises cold spraying a layer of pure aluminum on a surface of the aluminum component to a predetermined thickness. A dense oxide coating is then formed on the layer of pure aluminum using a plasma electrolytic oxidation process, wherein the plasma electrolytic oxidation process causes the layer of pure aluminum to undergo microplasmic discharges, thus forming the dense oxide coating on the layer of pure aluminum on the surface of the aluminum component.
    Type: Grant
    Filed: March 27, 2013
    Date of Patent: September 1, 2015
    Assignee: LAM RESEARCH CORPORATION
    Inventors: Hong Shih, Lin Xu, John Michael Kerns, William Charles, John Daugherty, Sivakami Ramanathan, Russell Ormond, Robert G. O'Neill, Tom Stevenson
  • Publication number: 20150235889
    Abstract: A method is provided for treating a bipolar ESC having a front surface and a back surface, the front surface including an anodized layer. The method includes eliminating the anodized layer, disposing a new anodized layer onto the front surface, and treating the new anodized layer with water to seal the new anodized layer.
    Type: Application
    Filed: May 5, 2015
    Publication date: August 20, 2015
    Applicant: LAM RESEARCH CORPORATION
    Inventors: Hong Shih, Tuochuan Huang, David Schaefer, Ambarish Chhatre, John Daugherty, MingHang Wu, Clifford La Croix