Patents by Inventor Ward Johnson

Ward Johnson 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: 11837483
    Abstract: An apparatus and method for reducing moisture within a wafer handling chamber is disclosed. The moisture reduction results in reduced oxidation of a wafer. The moisture reduction is made possible through use of valves and purging gas. Operation of the valves may result in improved localized purging.
    Type: Grant
    Filed: February 11, 2022
    Date of Patent: December 5, 2023
    Assignee: ASM IP Holding B.V.
    Inventors: Petri Raisanen, Ward Johnson
  • Patent number: 11501973
    Abstract: A method of depositing a material film on a substrate within a reaction chamber by a cyclical deposition process is disclosed. The method may include: contacting the substrate with a first vapor phase reactant and purging the reaction chamber with a first main purge. The method also includes: contacting the substrate with a second vapor phase reactant by two or more micro pulsing processes, wherein each micro pulsing process comprises: contacting the substrate with a micro pulse of a second vapor phase reactant; and purging the reaction chamber with a micro purge, wherein each of the micro pulses of the second vapor phase reactant provides a substantially constant concentration of the second vapor phase reactant into the reaction chamber. The method may also include; purging the reaction chamber with a second main purge. Device structures including a material film deposited by the methods of the disclosure are also disclosed.
    Type: Grant
    Filed: November 13, 2020
    Date of Patent: November 15, 2022
    Assignee: ASM IP Holding B.V.
    Inventors: Petri Raisanen, Mark Olstad, Jose Alexandro Romero, Dong Li, Ward Johnson, Peijun Chen
  • Publication number: 20220351974
    Abstract: A method of forming an electrode on a substrate is disclosed. The method may include: contacting the substrate with a first vapor phase reactant comprising a titanium tetraiodide (TiI4) precursor; contacting the substrate with a second vapor phase reactant comprising a nitrogen precursor; and depositing a titanium nitride layer over a surface of the substrate thereby forming the electrode; wherein the titanium nitride layer has an electrical resistivity of less than 400 ??-cm. Related semiconductor device structures including a titanium nitride electrode deposited by the methods of the disclosure are also provided.
    Type: Application
    Filed: July 7, 2022
    Publication date: November 3, 2022
    Inventors: Moataz Bellah Mousa, Peng-Fu Hsu, Ward Johnson, Petri Raisanen
  • Patent number: 11398382
    Abstract: A method of forming an electrode on a substrate is disclosed. The method may include: contacting the substrate with a first vapor phase reactant comprising a titanium tetraiodide (TiI4) precursor; contacting the substrate with a second vapor phase reactant comprising a nitrogen precursor; and depositing a titanium nitride layer over a surface of the substrate thereby forming the electrode; wherein the titanium nitride layer has an electrical resistivity of less than 400 ??-cm. Related semiconductor device structures including a titanium nitride electrode deposited by the methods of the disclosure are also provided.
    Type: Grant
    Filed: September 30, 2020
    Date of Patent: July 26, 2022
    Assignee: ASM IP Holding B.V.
    Inventors: Moataz Bellah Mousa, Peng-Fu Hsu, Ward Johnson, Petri Raisanen
  • Publication number: 20220165595
    Abstract: An apparatus and method for reducing moisture within a wafer handling chamber is disclosed. The moisture reduction results in reduced oxidation of a wafer. The moisture reduction is made possible through use of valves and purging gas. Operation of the valves may result in improved localized purging.
    Type: Application
    Filed: February 11, 2022
    Publication date: May 26, 2022
    Inventors: Petri Raisanen, Ward Johnson
  • Patent number: 11270899
    Abstract: An apparatus and method for reducing moisture within a wafer handling chamber is disclosed. The moisture reduction results in reduced oxidation of a wafer. The moisture reduction is made possible through use of valves and purging gas. Operation of the valves may result in improved localized purging.
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: March 8, 2022
    Assignee: ASM IP Holding B.V.
    Inventors: Petri Raisanen, Ward Johnson
  • Publication number: 20220051895
    Abstract: Methods for depositing a titanium aluminum carbide (TiAlC) film structure on a substrate are disclosed. The methods may include: depositing a first TiAlC film on a substrate utilizing a first cyclical deposition process, and depositing a second TiAlC film over the first TiAlC film utilizing a second cyclical deposition process. Semiconductor structures including titanium aluminum carbide (TiAlC) film structures deposited by the methods of the disclosure are also disclosed.
    Type: Application
    Filed: August 6, 2021
    Publication date: February 17, 2022
    Inventors: Petri Raisanen, Eric Shero, Ward Johnson, Dong Li
  • Publication number: 20210328036
    Abstract: Methods for depositing a doped metal carbide film on a substrate are disclosed. The methods may include: depositing a doped metal carbide film on a substrate utilizing at least one deposition cycle of a cyclical deposition process; and contacting the doped metal carbide film with a plasma generated from a hydrogen containing gas. Semiconductor device structures including a doped metal carbide film formed by the methods of the disclosure are also disclosed.
    Type: Application
    Filed: June 28, 2021
    Publication date: October 21, 2021
    Inventors: Dong Li, Peng-Fu Hsu, Petri Raisanen, Moataz Bellah Mousa, Ward Johnson, Xichong Chen
  • Patent number: 11056567
    Abstract: Methods for depositing a doped metal carbide film on a substrate are disclosed. The methods may include: depositing a doped metal carbide film on a substrate utilizing at least one deposition cycle of a cyclical deposition process; and contacting the doped metal carbide film with a plasma generated from a hydrogen-containing gas. Semiconductor device structures including a doped metal carbide film formed by the methods of the disclosure are also disclosed.
    Type: Grant
    Filed: May 1, 2019
    Date of Patent: July 6, 2021
    Assignee: ASM IP Holding B.V.
    Inventors: Dong Li, Peng-Fu Hsu, Petri Raisanen, Moataz Bellah Mousa, Ward Johnson, Xichong Chen
  • Publication number: 20210066084
    Abstract: A method of depositing a material film on a substrate within a reaction chamber by a cyclical deposition process is disclosed. The method may include: contacting the substrate with a first vapor phase reactant and purging the reaction chamber with a first main purge. The method also includes: contacting the substrate with a second vapor phase reactant by two or more micro pulsing processes, wherein each micro pulsing process comprises: contacting the substrate with a micro pulse of a second vapor phase reactant; and purging the reaction chamber with a micro purge, wherein each of the micro pulses of the second vapor phase reactant provides a substantially constant concentration of the second vapor phase reactant into the reaction chamber. The method may also include; purging the reaction chamber with a second main purge. Device structures including a material film deposited by the methods of the disclosure are also disclosed.
    Type: Application
    Filed: November 13, 2020
    Publication date: March 4, 2021
    Inventors: Petri Raisanen, Mark Olstad, Jose Alexandro Romero, Dong Li, Ward Johnson, Peijun Chen
  • Publication number: 20210028021
    Abstract: A method of forming an electrode on a substrate is disclosed. The method may include: contacting the substrate with a first vapor phase reactant comprising a titanium tetraiodide (TiI4) precursor; contacting the substrate with a second vapor phase reactant comprising a nitrogen precursor; and depositing a titanium nitride layer over a surface of the substrate thereby forming the electrode; wherein the titanium nitride layer has an electrical resistivity of less than 400 ??-cm. Related semiconductor device structures including a titanium nitride electrode deposited by the methods of the disclosure are also provided.
    Type: Application
    Filed: September 30, 2020
    Publication date: January 28, 2021
    Inventors: MOATAZ BELLAH MOUSA, Peng-Fu Hsu, Ward Johnson, Petri Raisanen
  • Patent number: 10872771
    Abstract: A method of depositing a material film on a substrate within a reaction chamber by a cyclical deposition process is disclosed. The method may include: contacting the substrate with a first vapor phase reactant and purging the reaction chamber with a first main purge. The method also includes: contacting the substrate with a second vapor phase reactant by two or more micro pulsing processes, wherein each micro pulsing process comprises: contacting the substrate with a micro pulse of a second vapor phase reactant; and purging the reaction chamber with a micro purge, wherein each of the micro pulses of the second vapor phase reactant provides a substantially constant concentration of the second vapor phase reactant into the reaction chamber. The method may also include; purging the reaction chamber with a second main purge. Device structures including a material film deposited by the methods of the disclosure are also disclosed.
    Type: Grant
    Filed: January 8, 2019
    Date of Patent: December 22, 2020
    Assignee: ASM IP Holding B. V.
    Inventors: Petri Raisanen, Mark Olstad, Jose Alexandro Romero, Dong Li, Ward Johnson, Peijun Chen
  • Patent number: 10847371
    Abstract: A method of forming an electrode on a substrate is disclosed. The method may include: contacting the substrate with a first vapor phase reactant comprising a titanium tetraiodide (TiI4) precursor; contacting the substrate with a second vapor phase reactant comprising a nitrogen precursor; and depositing a titanium nitride layer over a surface of the substrate thereby forming the electrode; wherein the titanium nitride layer has an electrical resistivity of less than 400 ??-cm. Related semiconductor device structures including a titanium nitride electrode deposited by the methods of the disclosure are also provided.
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: November 24, 2020
    Assignee: ASM IP Holding B.V.
    Inventors: Moataz Bellah Mousa, Peng-Fu Hsu, Ward Johnson, Petri Raisanen
  • Patent number: 10829852
    Abstract: A reaction system is disclosed that may be used to prevent formation of contaminants. The reaction system includes a showerhead that may be configured with a gated nanochannel grid to prevent particular gaseous precursors from passing through depending on whether a voltage is applied. The gated nanochannel grid may allow for both polar and non-polar molecules to pass, or may be configured to allow just non-polar or just polar molecules to pass.
    Type: Grant
    Filed: August 16, 2018
    Date of Patent: November 10, 2020
    Assignee: ASM IP Holding B.V.
    Inventors: Petri Raisanen, Ward Johnson
  • Publication number: 20200056282
    Abstract: A reaction system is disclosed that may be used to prevent formation of contaminants. The reaction system includes a showerhead that may be configured with a gated nanochannel grid to prevent particular gaseous precursors from passing through depending on whether a voltage is applied. The gated nanochannel grid may allow for both polar and non-polar molecules to pass, or may be configured to allow just non-polar or just polar molecules to pass.
    Type: Application
    Filed: August 16, 2018
    Publication date: February 20, 2020
    Inventors: Petri Raisanen, Ward Johnson
  • Publication number: 20190371640
    Abstract: An apparatus and method for reducing moisture within a wafer handling chamber is disclosed. The moisture reduction results in reduced oxidation of a wafer. The moisture reduction is made possible through use of valves and purging gas. Operation of the valves may result in improved localized purging.
    Type: Application
    Filed: May 28, 2019
    Publication date: December 5, 2019
    Inventors: Petri Raisanen, Ward Johnson
  • Publication number: 20190348515
    Abstract: Methods for depositing a doped metal carbide film on a substrate are disclosed. The methods may include: depositing a doped metal carbide film on a substrate utilizing at least one deposition cycle of a cyclical deposition process; and contacting the doped metal carbide film with a plasma generated from a hydrogen-containing gas. Semiconductor device structures including a doped metal carbide film formed by the methods of the disclosure are also disclosed.
    Type: Application
    Filed: May 1, 2019
    Publication date: November 14, 2019
    Inventors: Dong Li, Peng-Fu Hsu, Petri Raisanen, Moataz Bellah Mousa, Ward Johnson, Xichong Chen
  • Publication number: 20190304790
    Abstract: A method of forming an electrode on a substrate is disclosed. The method may include: contacting the substrate with a first vapor phase reactant comprising a titanium tetraiodide (TiI4) precursor; contacting the substrate with a second vapor phase reactant comprising a nitrogen precursor; and depositing a titanium nitride layer over a surface of the substrate thereby forming the electrode; wherein the titanium nitride layer has an electrical resistivity of less than 400 ??-cm. Related semiconductor device structures including a titanium nitride electrode deposited by the methods of the disclosure are also provided.
    Type: Application
    Filed: March 18, 2019
    Publication date: October 3, 2019
    Inventors: Moataz Bellah Mousa, Peng-Fu Hsu, Ward Johnson, Petri Raisanen
  • Publication number: 20190221433
    Abstract: A method of depositing a material film on a substrate within a reaction chamber by a cyclical deposition process is disclosed. The method may include: contacting the substrate with a first vapor phase reactant and purging the reaction chamber with a first main purge. The method also includes: contacting the substrate with a second vapor phase reactant by two or more micro pulsing processes, wherein each micro pulsing process comprises: contacting the substrate with a micro pulse of a second vapor phase reactant; and purging the reaction chamber with a micro purge, wherein each of the micro pulses of the second vapor phase reactant provides a substantially constant concentration of the second vapor phase reactant into the reaction chamber. The method may also include; purging the reaction chamber with a second main purge. Device structures including a material film deposited by the methods of the disclosure are also disclosed.
    Type: Application
    Filed: January 8, 2019
    Publication date: July 18, 2019
    Inventors: Petri Raisanen, Mark Olstad, Jose Alexandro Romero, Dong Li, Ward Johnson, Peijun Chen
  • Patent number: 9496110
    Abstract: Micro-Electro-Mechanical System (MEMS) structures, methods of manufacture and usage, and design structures are disclosed herein. The method includes applying a first voltage polarity to an actuator of a Micro-Electro-Mechanical System (MEMS) structure to place the MEMS structure in a predetermined state for a first operating condition. The method further includes applying a second voltage polarity which is opposite from the first voltage polarity to the actuator of the MEMS structure during a subsequent operating condition.
    Type: Grant
    Filed: June 18, 2013
    Date of Patent: November 15, 2016
    Assignee: GLOBALFOUNDRIES INC.
    Inventors: Ward A. Johnson, Jenifer E. Lary, Anthony K. Stamper, Kimball M. Watson, Pui L. Yee