Patents by Inventor Robert Gordon Ridgeway

Robert Gordon Ridgeway 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: 20200075323
    Abstract: A method and composition for producing a low k dielectric film via plasma enhanced chemical vapor deposition comprise the steps of: providing a substrate within a reaction chamber; introducing into the reaction chamber gaseous reagents including at least one structure-forming precursors comprising a silacycloalkane compound, an oxygen source, and optionally a porogen; applying energy to the gaseous reagents in the reaction chamber to induce reaction of the gaseous reagents to deposit a low k dielectric film having dielectric constant of 3.2 or less. In certain embodiments, the structure-forming precursor further comprises a hardening additive.
    Type: Application
    Filed: August 23, 2019
    Publication date: March 5, 2020
    Applicant: Versum Materials US, LLC
    Inventors: Manchao Xiao, Robert Gordon Ridgeway, Daniel P. Spence, Xinjian Lei, Raymond Nicholas Vrtis
  • Publication number: 20200058496
    Abstract: A method for depositing a silicon-containing film, the method comprising: placing a substrate comprising at least one surface feature into a flowable CVD reactor which is at a temperature of from about ?20° C. to about 400° C.; introducing into the reactor at least one silicon-containing compound having at least one acetoxy group to at least partially react the at least one silicon-containing compound to form a flowable liquid oligomer wherein the flowable liquid oligomer forms a silicon oxide coating on the substrate and at least partially fills at least a portion of the at least one surface feature. Once cured, the silicon oxide coating has a low k and excellent mechanical properties.
    Type: Application
    Filed: September 24, 2019
    Publication date: February 20, 2020
    Applicant: Versum Materials US, LLC
    Inventors: Jianheng Li, Raymond Nicholas Vrtis, Robert Gordon Ridgeway, Manchao Xiao, Xinjian Lei
  • Publication number: 20200048286
    Abstract: A composition, and chemical vapor deposition method, is provided for producing a dielectric film. A gaseous reagent including the composition is introduced into the reaction chamber in which a substrate is provided. The gaseous reagent includes a silicon precursor that includes a silicon compound according to Formula I as defined herein. Energy is applied to the gaseous reagents in the reaction chamber to induce reaction of the gaseous reagents and to thereby deposit a film on the substrate. The film as deposited is suitable for its intended use without an optional additional cure step applied to the as-deposited film. A method for making the composition is also disclosed.
    Type: Application
    Filed: October 18, 2019
    Publication date: February 13, 2020
    Inventors: Manchao Xiao, Raymond Nicholas Vrtis, Robert Gordon Ridgeway, William Robert Entley, Jennifer Lynn Anne Achtyl, Xinjian Lei, Daniel P. Spence
  • Patent number: 10468244
    Abstract: A method for depositing a silicon-containing film, the method comprising: placing a substrate comprising at least one surface feature into a flowable CVD reactor which is at a temperature of from about ?20° C. to about 400° C.; introducing into the reactor at least one silicon-containing compound having at least one acetoxy group to at least partially react the at least one silicon-containing compound to form a flowable liquid oligomer wherein the flowable liquid oligomer forms a silicon oxide coating on the substrate and at least partially fills at least a portion of the at least one surface feature. Once cured, the silicon oxide coating has a low k and excellent mechanical properties.
    Type: Grant
    Filed: August 18, 2017
    Date of Patent: November 5, 2019
    Assignee: VERSUM MATERIALS US, LLC
    Inventors: Jianheng Li, Raymond Nicholas Vrtis, Robert Gordon Ridgeway, Manchao Xiao, Xinjian Lei
  • Publication number: 20190292658
    Abstract: Described herein are compositions and methods using same for forming a silicon-containing film such as without limitation a silicon oxide, silicon nitride, silicon oxynitride, a carbon-doped silicon nitride, or a carbon-doped silicon oxide film on at least a surface of a substrate having a surface feature. In one aspect, the silicon-containing films are deposited using a compound having Formula I or II described herein.
    Type: Application
    Filed: December 21, 2016
    Publication date: September 26, 2019
    Inventors: Jianheng Li, Xinjian Lei, Robert Gordon Ridgeway, Raymond Nicholas Vrtis, Manchao Xiao, Richard Ho
  • Patent number: 10395920
    Abstract: A method and composition for producing a low k dielectric film via chemical vapor deposition is provided. In one aspect, the method comprises the steps of: providing a substrate within a reaction chamber; introducing into the reaction chamber gaseous reagents including at least one structure-forming precursor comprising a silacyclic compound, and a porogen; applying energy to the gaseous reagents in the reaction chamber to induce reaction of the gaseous reagents to deposit a preliminary film on the substrate, wherein the preliminary film contains the porogen, and the preliminary film is deposited; and removing from the preliminary film at least a portion of the porogen contained therein and provide the film with pores and a dielectric constant of 2.7 or less.
    Type: Grant
    Filed: February 6, 2018
    Date of Patent: August 27, 2019
    Assignee: VERSUM MATERIALS US, LLC
    Inventors: Raymond Nicholas Vrtis, Robert Gordon Ridgeway, Jianheng Li, William Robert Entley, Jennifer Lynn Anne Achtyl, Xinjian Lei
  • Publication number: 20190244810
    Abstract: According to a chemical vapor deposition method for depositing an organosilicate film on a substrate, a gaseous organosilicate composition is introduced into a vacuum chamber. The gaseous organosilicate composition includes a first silicon-containing precursor selected from an organosilane and an organosiloxane, and further includes at least one second silicon-containing precursor selected from compounds represented by the structure of Formula I: R1nSi(OR2)4-n ??(I), in which R1 is a linear, branched, or cyclic C2-C6 alkyl group; n=1-3; and R2 is a linear, branched, or cyclic C1-C6 alkyl group. A first energy source is applied to the gaseous organosilicate composition in the vacuum chamber to induce reaction of the first silicon-containing precursor and the at least one second silicon-containing precursor and thereby deposit the organosilicate film on at least a portion of the substrate.
    Type: Application
    Filed: February 6, 2019
    Publication date: August 8, 2019
    Applicant: Versum Materials US, LLC
    Inventors: Raymond Nicholas Vrtis, Robert Gordon Ridgeway, Jennifer Lynn Anne Achtyl, William Robert Entley, Dino Sinatore, Kathleen Esther Theodorou
  • Patent number: 10354860
    Abstract: Described herein is an apparatus comprising a plurality of silicon-containing layers wherein the silicon-containing layers are selected from a silicon oxide and a silicon nitride layer or film. Also described herein are methods for forming the apparatus to be used, for example, as 3D vertical NAND flash memory stacks. In one particular aspect or the apparatus, the silicon oxide layer comprises slightly compressive stress and good thermal stability. In this or other aspects of the apparatus, the silicon nitride layer comprises slightly tensile stress and less than 300 MPa stress change after up to about 800° C. thermal treatment. In this or other aspects of the apparatus, the silicon nitride layer etches much faster than the silicon oxide layer in hot H3PO4, showing good etch selectivity.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: July 16, 2019
    Assignee: VERSUM MATERIALS US, LLC
    Inventors: Jianheng Li, Robert Gordon Ridgeway, Xinjian Lei, Raymond Nicholas Vrtis, Bing Han, Madhukar Bhaskara Rao
  • Patent number: 10319862
    Abstract: Described herein are apparatus comprising one or more silicon-containing layers and a metal oxide layer. Also described herein are methods for forming one or more silicon-containing layers to be used, for example, as passivation layers in a display device. In one particular aspect, the apparatus comprises a transparent metal oxide layer, a silicon oxide layer and a silicon nitride layer. In this or other aspects, the apparatus is deposited at a temperature of 350° C. or below. The silicon-containing layers described herein comprise one or more of the following properties: a density of about 1.9 g/cm3 or greater; a hydrogen content of about 4×1022 cm?3 or less, and a transparency of about 90% or greater at 400-700 nm as measured by a UV-visible light spectrometer.
    Type: Grant
    Filed: March 8, 2013
    Date of Patent: June 11, 2019
    Assignee: VERSUM MATERIALS US, LLC
    Inventors: Robert Gordon Ridgeway, Andrew David Johnson, Anupama Mallikarjunan, Raymond Nicholas Vrtis, Xinjian Lei, Mark Leonard O'Neill, Manchao Xiao, Jianheng Li, Michael T. Savo
  • Publication number: 20190134663
    Abstract: A method and composition for producing a porous low k dielectric film via chemical vapor deposition includes the steps of: providing a substrate within a reaction chamber; introducing into the reaction chamber gaseous reagents including at least one structure-forming precursor comprising an silacyclic compound, and with or without a porogen; applying energy to the gaseous reagents in the reaction chamber to induce reaction of the gaseous reagents to deposit a preliminary film on the substrate, wherein the preliminary film contains the porogen, and the preliminary film is deposited; and removing from the preliminary film at least a portion of the porogen contained therein and provide the film with pores and a dielectric constant of 3.0 or less. In certain embodiments, the structure-forming precursor further comprises a hardening additive.
    Type: Application
    Filed: October 25, 2018
    Publication date: May 9, 2019
    Applicant: Versum Materials US, LLC
    Inventors: Xinjian Lei, Robert Gordon Ridgeway, Raymond Nicholas Vrtis
  • Patent number: 10249489
    Abstract: Low dielectric organosilicon films are deposited by a process comprising the steps of: providing a substrate within a vacuum chamber; introducing into the vacuum chamber a gaseous silicon containing precursor composition comprising at least one organosilicon precursor selected from the group consisting of Formula (I) and Formula (II): wherein, R1, R2, R3, R4, R5, and R6 are as defined herein, and applying energy to the gaseous structure forming composition in the vacuum chamber to induce reaction of the at least one organosilicon precursor to deposit a film on at least a portion of the substrate.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: April 2, 2019
    Assignee: VERSUM MATERIALS US, LLC
    Inventors: Raymond Nicholas Vrtis, Robert Gordon Ridgeway, Jennifer Lynn Anne Achtyl, William Robert Entley, Dino Sinatore, Kathleen Esther Theodorou, Andrew J. Adamczyk
  • Publication number: 20190055645
    Abstract: Described herein are compositions and methods using same for forming a silicon-containing film such as without limitation a silicon carbide, silicon nitride, silicon oxide, silicon oxynitride, a carbon-doped silicon nitride, a carbon-doped silicon oxide, or a carbon doped silicon oxynitride film on at least a surface of a substrate having a surface feature. In one aspect, the silicon-containing films are deposited using the co-deposition of a first compound comprising a carbon-carbon double or carbon-carbon triple bond and a second compound comprising at least one Si—H bond.
    Type: Application
    Filed: February 22, 2017
    Publication date: February 21, 2019
    Inventors: Jianheng Li, Xinjian Lei, Raymond Nicholas Vrtis, Robert Gordon Ridgeway, Dino Sinatore, Manchao Xiao
  • Publication number: 20190017167
    Abstract: Described herein are compositions and methods using same for forming a silicon-containing film such as without limitation a silicon oxide, silicon nitride, silicon oxynitride, a carbon-doped silicon nitride, or a carbon-doped silicon oxide film on at least a surface of a substrate having a surface feature. In one aspect, the composition comprises at least one compound is selected from the group consisting of a siloxane, an trisilylamine-based compound, an organoaminodisilane compound, and a cyclic trisilazane compound.
    Type: Application
    Filed: September 18, 2018
    Publication date: January 17, 2019
    Applicant: Versum Materials US, LLC
    Inventors: Raymond Nicholas Vrtis, William Robert Entley, Robert Gordon Ridgeway, Xinjian Lei, John Francis Lehmann, Manchao Xiao
  • Publication number: 20180315598
    Abstract: A method for depositing a silicon-containing film, the method comprising: placing a substrate comprising at least one surface feature into a flowable CVD reactor which is at a temperature of from about ?20° C. to about 100° C.; increasing pressure in the reactor to at least 10 torr; and introducing into the reactor at least one silicon-containing compound having at least one acetoxy group to at least partially react the at least one silicon-containing compound to form a flowable liquid oligomer wherein the flowable liquid oligomer forms a silicon oxide coating on the substrate and at least partially fills at least a portion of the at least one surface feature. Once cured, the silicon oxide coating has a low k and excellent mechanical properties.
    Type: Application
    Filed: June 11, 2018
    Publication date: November 1, 2018
    Applicant: Versum Materials US, LLC
    Inventors: Jianheng Li, Raymond Nicholas Vrtis, Robert Gordon Ridgeway, Manchao Xiao, Xinjian Lei
  • Patent number: 10106890
    Abstract: Compositions and methods using same for forming a silicon-containing film such as without limitation a silicon oxide, silicon nitride, silicon oxynitride, a carbon-doped silicon nitride, or a carbon-doped silicon oxide film on at least a surface of a substrate having a surface feature. In one aspect, the composition comprises at least one compound is selected from the group consisting of a siloxane, an trisilylamine-based compound, an organoaminodisilane compound, and a cyclic trisilazane compound.
    Type: Grant
    Filed: October 23, 2015
    Date of Patent: October 23, 2018
    Assignee: VERSUM MATERIALS US, LLC
    Inventors: Jianheng Li, John Francis Lehmann, Xinjian Lei, Raymond Nicholas Vrtis, Robert Gordon Ridgeway, William Robert Entley
  • Publication number: 20180277360
    Abstract: Described herein is a method and composition comprising same for sealing the pores of a porous low dielectric constant (“low k”) layer by providing an additional thin dielectric film, referred to herein as a pore sealing layer, on at least a surface of the porous, low k layer to prevent further loss of dielectric constant of the underlying layer. In one aspect, the method comprises: contacting a porous low dielectric constant film with at least one organosilicon compound to provide an absorbed organosilicon compound and treating the absorbed organosilicon compound with ultraviolet light, plasma, or both, and repeating until a desired thickness of the pore sealing layer is formed.
    Type: Application
    Filed: April 17, 2018
    Publication date: September 27, 2018
    Applicant: Versum Materials US, LLC
    Inventors: Jianheng Li, Raymond Nicholas Vrtis, Robert Gordon Ridgeway, Xinjian Lei, Mark Leonard O'Neill, Xuezhong Jiang
  • Publication number: 20180233355
    Abstract: A method and composition for producing a low k dielectric film via chemical vapor deposition is provided. In one aspect, the method comprises the steps of: providing a substrate within a reaction chamber; introducing into the reaction chamber gaseous reagents including at least one structure-forming precursor comprising a silacyclic compound, and a porogen; applying energy to the gaseous reagents in the reaction chamber to induce reaction of the gaseous reagents to deposit a preliminary film on the substrate, wherein the preliminary film contains the porogen, and the preliminary film is deposited; and removing from the preliminary film at least a portion of the porogen contained therein and provide the film with pores and a dielectric constant of 2.7 or less.
    Type: Application
    Filed: February 6, 2018
    Publication date: August 16, 2018
    Applicant: Versum Materials US, LLC
    Inventors: Raymond Nicholas Vrtis, Robert Gordon Ridgeway, Jianheng Li, William Robert Entley, Jennifer Lynn Anne Achtyl, Xinjian Lei
  • Publication number: 20180122632
    Abstract: Low dielectric materials and films comprising same have been identified for improved performance when used as interlevel dielectrics in integrated circuits as well as methods for making same.
    Type: Application
    Filed: October 20, 2017
    Publication date: May 3, 2018
    Inventors: Raymond Nicholas Vrtis, Robert Gordon Ridgeway, Jennifer Lynn Anne Achtyl, William Robert Entley, Dino Sinatore, Kathleen Esther Theodorou, Andrew J. Adamczyk
  • Patent number: 9922818
    Abstract: A method and composition for producing a porous low k dielectric film via chemical vapor deposition is provided. In one aspect, the method comprises the steps of: providing a substrate within a reaction chamber; introducing into the reaction chamber gaseous reagents including at least one structure-forming precursor comprising an alkyl-alkoxysilacyclic compound, and a porogen; applying energy to the gaseous reagents in the reaction chamber to induce reaction of the gaseous reagents to deposit a preliminary film on the substrate, wherein the preliminary film contains the porogen, and the preliminary film is deposited; and removing from the preliminary film at least a portion of the porogen contained therein and provide the film with pores and a dielectric constant of 2.7 or less. In certain embodiments, the structure-forming precursor further comprises a hardening additive.
    Type: Grant
    Filed: June 5, 2015
    Date of Patent: March 20, 2018
    Assignee: VERSUM MATERIALS US, LLC
    Inventors: Raymond Nicholas Vrtis, Robert Gordon Ridgeway, Jianheng Li, William Robert Entley, Jennifer Lynn Anne Achtyl, Xinjian Lei
  • Publication number: 20180061636
    Abstract: A method for depositing a silicon-containing film, the method comprising: placing a substrate comprising at least one surface feature into a flowable CVD reactor which is at a temperature of from about ?20° C. to about 400° C.; introducing into the reactor at least one silicon-containing compound having at least one acetoxy group to at least partially react the at least one silicon-containing compound to form a flowable liquid oligomer wherein the flowable liquid oligomer forms a silicon oxide coating on the substrate and at least partially fills at least a portion of the at least one surface feature. Once cured, the silicon oxide coating has a low k and excellent mechanical properties.
    Type: Application
    Filed: August 18, 2017
    Publication date: March 1, 2018
    Applicant: Versum Materials US, LLC
    Inventors: Jianheng Li, Raymond Nicholas Vrtis, Robert Gordon Ridgeway, Manchao Xiao, Xinjian Lei