Patents by Inventor Christopher AHLES

Christopher AHLES 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: 11993845
    Abstract: Methods for depositing a metal containing material formed on a certain material of a substrate using an atomic layer deposition process for semiconductor applications are provided. In one embodiment, a method of forming a metal containing material on a substrate comprises pulsing a first gas precursor comprising a metal containing precursor to a surface of a substrate, pulsing a second gas precursor comprising a silicon containing precursor to the surface of the substrate, forming a metal containing material selectively on a first material of the substrate, and thermal annealing the metal containing material formed on the substrate.
    Type: Grant
    Filed: March 4, 2020
    Date of Patent: May 28, 2024
    Assignee: Applied Materials, Inc.
    Inventors: Jong Choi, Christopher Ahles, Andrew C. Kummel, Keith Tatseun Wong, Srinivas D. Nemani
  • Patent number: 11664215
    Abstract: Methods for depositing a metal containing material formed on a certain material of a substrate using an atomic layer deposition process for semiconductor applications are provided. In one example, a method of forming a metal containing material on a substrate comprises pulsing a first gas precursor comprising a metal containing precursor to a surface of a substrate, pulsing a second gas precursor comprising a carboxylic acid to the surface of the substrate, and forming a metal containing material selectively on a first material of the substrate. In another example, a method of forming a metal containing material on a substrate includes selectively forming a metal containing layer on a silicon material or a metal material on a substrate than on an insulating material on the substrate by an atomic layer deposition process by alternatively supplying a metal containing precursor and a water free precursor to the substrate.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: May 30, 2023
    Assignee: Applied Materials, Inc.
    Inventors: Christopher Ahles, Jong Choi, Andrew C. Kummel, Keith Tatseun Wong, Srinivas D. Nemani
  • Publication number: 20200303183
    Abstract: Methods for depositing a metal containing material formed on a certain material of a substrate using an atomic layer deposition process for semiconductor applications are provided. In one example, a method of forming a metal containing material on a substrate comprises pulsing a first gas precursor comprising a metal containing precursor to a surface of a substrate, pulsing a second gas precursor comprising a carboxylic acid to the surface of the substrate, and forming a metal containing material selectively on a first material of the substrate. In another example, a method of forming a metal containing material on a substrate includes selectively forming a metal containing layer on a silicon material or a metal material on a substrate than on an insulating material on the substrate by an atomic layer deposition process by alternatively supplying a metal containing precursor and a water free precursor to the substrate.
    Type: Application
    Filed: February 26, 2020
    Publication date: September 24, 2020
    Inventors: Christopher AHLES, Jong CHOI, Andrew C. KUMMEL, Keith Tatseun WONG, Srinivas D. NEMANI
  • Publication number: 20200283898
    Abstract: Methods for depositing a metal containing material formed on a certain material of a substrate using an atomic layer deposition process for semiconductor applications are provided. In one embodiment, a method of forming a metal containing material on a substrate comprises pulsing a first gas precursor comprising a metal containing precursor to a surface of a substrate, pulsing a second gas precursor comprising a silicon containing precursor to the surface of the substrate, forming a metal containing material selectively on a first material of the substrate, and thermal annealing the metal containing material formed on the substrate.
    Type: Application
    Filed: March 4, 2020
    Publication date: September 10, 2020
    Inventors: Jong Choi, Christopher Ahles, Andrew C. Kummel, Keith Tatseun Wong, Srinivas D. Nemani
  • Patent number: 10586707
    Abstract: Embodiments of the disclosure relate to selective metal silicide deposition methods. In one embodiment, a substrate having a silicon containing surface is heated and the silicon containing surface is hydrogen terminated. The substrate is exposed to sequential cycles of a MoF6 precursor and a Si2H6 precursor which is followed by an additional Si2H6 overdose exposure to selectively deposit a MoSix material comprising MoSi2 on the silicon containing surface of the substrate. Methods described herein also provide for selective native oxide removal which enables removal of native oxide material without etching bulk oxide materials.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: March 10, 2020
    Assignee: Applied Materials, Inc.
    Inventors: Raymond Hung, Namsung Kim, Srinivas D. Nemani, Ellie Y. Yieh, Jong Choi, Christopher Ahles, Andrew Kummel
  • Patent number: 10475655
    Abstract: Embodiments of the disclosure relate to selective metal silicide deposition methods. In one embodiment, a substrate having a silicon containing surface is heated and the silicon containing surface is hydrogen terminated. The substrate is exposed to sequential cycles of a MoF6 precursor and a Si2H6 precursor which is followed by an additional Si2H6 overdose exposure to selectively deposit a MoSix material comprising MoSi2 on the silicon containing surface of the substrate.
    Type: Grant
    Filed: May 24, 2018
    Date of Patent: November 12, 2019
    Assignees: Applied Materials, Inc., The Regents of the University of California
    Inventors: Raymond Hung, Namsung Kim, Srinivas Nemani, Ellie Yieh, Jong Choi, Christopher Ahles, Andrew Kummel
  • Publication number: 20190103278
    Abstract: Embodiments of the disclosure relate to selective metal silicide deposition methods. In one embodiment, a substrate having a silicon containing surface is heated and the silicon containing surface is hydrogen terminated. The substrate is exposed to sequential cycles of a MoF6 precursor and a Si2H6 precursor which is followed by an additional Si2H6 overdose exposure to selectively deposit a MoSix material comprising MoSi2 on the silicon containing surface of the substrate. Methods described herein also provide for selective native oxide removal which enables removal of native oxide material without etching bulk oxide materials.
    Type: Application
    Filed: November 13, 2018
    Publication date: April 4, 2019
    Inventors: Raymond HUNG, Namsung KIM, Srinivas D. NEMANI, Ellie Y. YIEH, Jong CHOI, Christopher AHLES, Andrew KUMMEL
  • Publication number: 20180342395
    Abstract: Embodiments of the disclosure relate to selective metal silicide deposition methods. In one embodiment, a substrate having a silicon containing surface is heated and the silicon containing surface is hydrogen terminated. The substrate is exposed to sequential cycles of a MoF6 precursor and a Si2H6 precursor which is followed by an additional Si2H6 overdose exposure to selectively deposit a MoSix material comprising MoSi2 on the silicon containing surface of the substrate.
    Type: Application
    Filed: May 24, 2018
    Publication date: November 29, 2018
    Inventors: Raymond HUNG, Namsung KIM, Srinivas NEMANI, Ellie YIEH, Jong CHOI, Christopher AHLES, Andrew KUMMEL