Patents by Inventor Moon-Ho HAM

Moon-Ho HAM 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: 10184175
    Abstract: A method for synthesizing a multilayer graphene is provided. Specifically, the multilayer graphene can be produced by performing a step of forming a catalytic metal layer on a substrate, a step of heat-treating the catalytic metal layer on the substrate while supplying methane gas, and a step of synthesizing a multilayer graphene on the heat-treated catalytic metal layer. As described above, the multilayer graphene having a large area can be grown directly on a substrate, by heat-treating the catalytic metal layer using methane gas, prior to the step of synthesis of graphene. In addition, as the the number of layer of the multilayer graphene can be controlled by changing the synthesis time of the multilayer graphene, the multilayer graphene with the desired number of layers can be easily produced.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: January 22, 2019
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Moon-Ho Ham, Myung-Woo Son
  • Patent number: 10134630
    Abstract: Disclosed herein are a metal-graphene heterojunction metal interconnect, a method of forming the same, and a semiconductor device including the same. The method includes: a) forming a carbon source layer by depositing a carbon source on a top surface of a substrate; b) forming a metal catalyst layer by depositing a metal catalyst on the carbon source layer; and c) carrying out heat treatment on the substrate comprising the carbon source layer and the metal catalyst layer. The graphene can be formed by carrying out the heat treatment only once irrespectively of the number of substrates, and accordingly to the manufacturing time and manufacturing cost of the metal interconnect are reduced, and a damage to the metal interconnect by the heat treatment is not caused.
    Type: Grant
    Filed: June 8, 2017
    Date of Patent: November 20, 2018
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Moon-Ho Ham, Myungwoo Son
  • Publication number: 20170358486
    Abstract: Disclosed herein are a metal-graphene heterojunction metal interconnect, a method of forming the same, and a semiconductor device including the same. The method includes: a) forming a carbon source layer by depositing a carbon source on a top surface of a substrate; b) forming a metal catalyst layer by depositing a metal catalyst on the carbon source layer; and c) carrying out heat treatment on the substrate comprising the carbon source layer and the metal catalyst layer. The graphene can be formed by carrying out the heat treatment only once irrespectively of the number of substrates, and accordingly to the manufacturing time and manufacturing cost of the metal interconnect are reduced, and a damage to the metal interconnect by the heat treatment is not caused.
    Type: Application
    Filed: June 8, 2017
    Publication date: December 14, 2017
    Inventors: Moon-Ho HAM, Myungwoo SON
  • Patent number: 9634253
    Abstract: Disclosed herein are a donor-acceptor conjugated polymer and an organic electronic device including the same. According to embodiments of the invention, it is possible to realize a conjugated polymer suitable for organic memory devices and a multi-functional, high-performance, large-area organic memory device for electronics including the same, the organic memory device operating in air.
    Type: Grant
    Filed: June 16, 2015
    Date of Patent: April 25, 2017
    Assignee: GWANGJU INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Jae-Suk Lee, Moon-Ho Ham, Myungwoo Son, Walaa Ahmed Ahmed Elsawy, Myung-Jin Kim
  • Publication number: 20160369394
    Abstract: A method for synthesizing a multilayer graphene is provided. Specifically, the multilayer graphene can be produced by performing a step of forming a catalytic metal layer on a substrate, a step of heat-treating the catalytic metal layer on the substrate while supplying methane gas, and a step of synthesizing a multilayer graphene on the heat-treated catalytic metal layer. As described above, the multilayer graphene having a large area can be grown directly on a substrate, by heat-treating the catalytic metal layer using methane gas, prior to the step of synthesis of graphene. In addition, as the the number of layer of the multilayer graphene can be controlled by changing the synthesis time of the multilayer graphene, the multilayer graphene with the desired number of layers can be easily produced.
    Type: Application
    Filed: April 8, 2016
    Publication date: December 22, 2016
    Inventors: Moon-Ho HAM, Myung-Woo SON
  • Publication number: 20160017077
    Abstract: Disclosed herein are a donor-acceptor conjugated polymer and an organic electronic device including the same. According to embodiments of the invention, it is possible to realize a conjugated polymer suitable for organic memory devices and a multi-functional, high-performance, large-area organic memory device for electronics including the same, the organic memory device operating in air.
    Type: Application
    Filed: June 16, 2015
    Publication date: January 21, 2016
    Inventors: Jae-Suk LEE, Moon-Ho HAM, Myungwoo SON, Walaa Ahmed Ahmed ELSAWY, Myung-Jin KIM