Patents by Inventor Lewis Gomez De Arco

Lewis Gomez De Arco 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).

  • Synthesis of graphene by chemical vapor deposition
    Patent number: 9388048
    Abstract: Methods, materials and apparatus are described for synthesizing a monolayer or few-layers of graphene. Depositing the graphene can include, in some implementations, flowing hydrogen and carbon feedstock over a catalytic layer formed on a substrate.
    Type: Grant
    Filed: October 8, 2009
    Date of Patent: July 12, 2016
    Assignee: University of Southern California
    Inventors: Chongwu Zhou, Lewis Gomez De Arco, Yi Zhang
  • Scalable light-induced metallic to semiconducting conversion of carbon nanotubes and applications to field-effect transistor devices
    Patent number: 8324087
    Abstract: Among others, techniques are described for forming nanotubes. In one aspect, a method includes forming a base layer of a transition metal on a substrate. The method also includes heating the substrate with the base layer in a mixture of gases to grow nanotubes on the base layer.
    Type: Grant
    Filed: March 19, 2010
    Date of Patent: December 4, 2012
    Assignee: University of Southern California
    Inventors: Chongwu Zhou, Lewis Gomez De Arco, Akshay Kumar
  • WAFER-SCALE FABRICATION OF SEPARATED CARBON NANOTUBE THIN-FILM TRANSISTORS
    Publication number: 20110101302
    Abstract: Methods, materials, systems and apparatus are described for depositing a separated nanotube networks, and fabricating, separated nanotube thin-film transistors and N-type separated nanotube thin-film transistors. In one aspect, a method of depositing a wafer-scale separated nanotube networks includes providing a substrate with a dielectric layer. The method includes cleaning a surface of the wafer substrate to cause the surface to become hydrophilic. The cleaned surface of the wafer substrate is functionalized by applying a solution that includes linker molecules terminated with amine groups. High density, uniform separated nanotubes are assembled over the functionalized surface by applying to the functionalized surface a separated nanotube solution that includes semiconducting nanotubes.
    Type: Application
    Filed: November 5, 2010
    Publication date: May 5, 2011
    Applicant: UNIVERSITY OF SOUTHERN CALIFORNIA
    Inventors: Chongwu Zhou, Chuan Wang, Jialu Zhang, Koungmin Ryu, Alexander Badmaev, Lewis Gomez De Arco
  • Scalable Light-Induced Metallic to Semiconducting Conversion of Carbon Nanotubes and Applications to Field-Effect Transistor Devices
    Publication number: 20100240199
    Abstract: Among others, techniques are described for forming nanotubes. In one aspect, a method includes forming a base layer of a transition metal on a substrate. The method also includes heating the substrate with the base layer in a mixture of gases to grow nanotubes on the base layer.
    Type: Application
    Filed: March 19, 2010
    Publication date: September 23, 2010
    Inventors: Chongwu Zhou, Lewis Gomez De Arco, Ashkay Kumar