Patents by Inventor Hoon-chul Yang

Hoon-chul Yang 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: 10512959
    Abstract: A method for manufacturing an ultrafine single-crystalline metal wire is presented. The method continuously manufactures an ultrafine long single-crystalline wire by shaping a grown single-crystalline metal to have a circular or rectangular cross section and then by drawing the shape-processed single-crystalline metal using a drawing machine. Therefore, the method simplifies manufacturing procedures to reduce manufacturing costs and lowers electrical resistance of a produced metal wire to improve the quality of the produced metal wire. The method includes: a first step of growing a single-crystalline metal ingot using a Czochralski or a Bridgman method; a second step of subjecting the single-crystalline metal ingot to a shaping process such that the single-crystalline metal ingot has a certain shape; and a third step of completing the manufacture of an ultrafine single-crystalline metal wire by drawing the shape-processed single-crystalline metal.
    Type: Grant
    Filed: March 23, 2015
    Date of Patent: December 24, 2019
    Assignee: PUSAN NATIONAL UNIVERSITY INDUSTRIAL-UNIVERSITY COOPERATION FOUNDATION
    Inventors: Se-young Jeong, Sang-eon Park, Seung-hun Lee, Seung Jeong, Hoon-chul Yang
  • Publication number: 20170151595
    Abstract: The present invention relates to a method for manufacturing an ultrafine single-crystalline metal wire. The method continuously manufactures an ultrafine long single-crystalline wire by shaping a grown single-crystalline metal to have a circular or rectangular cross section and then by drawing the shape-processed single-crystalline metal using a drawing machine. Therefore, the method simplifies manufacturing procedures to reduce manufacturing costs and lowers electrical resistance of a produced metal wire to improve the quality of the produced metal wire. The method comprises: a first step of growing a single-crystalline metal ingot using a Czochralski or a Bridgman method; a second step of subjecting the single-crystalline metal ingot to a shaping process such that the single-crystalline metal ingot has a certain shape; and a third step of completing the manufacture of an ultrafine single-crystalline metal wire by drawing the shape-processed single-crystalline metal.
    Type: Application
    Filed: March 23, 2015
    Publication date: June 1, 2017
    Inventors: Se-young Jeong, Sang-eon Park, Seung-hun Lee, Seung Jeong, Hoon-chul Yang