Patents by Inventor Hong-Soo Ha

Hong-Soo Ha 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: 11659776
    Abstract: The present invention relates to a high temperature-superconducting wire having a superconducting layer laminated thereon and a method of manufacturing the same. The method includes: preparing a pair of superconducting wires each of which includes a metal substrate, a buffer layer, a superconducting layer, and a protective layer; laminating the pair of superconducting wires to allow respective protective layers to face each other; performing thermal treatment to the laminated superconducting wires to join the protective layers together; separating the metal substrate and the buffer layer from the superconducting layer on one side; and forming a protective layer on an upper part of the superconducting layer having a surface exposed.
    Type: Grant
    Filed: June 2, 2020
    Date of Patent: May 23, 2023
    Inventors: Hong Soo Ha, Sang Soo Oh, Sung Kyu Kim
  • Publication number: 20220246329
    Abstract: Proposed is a high temperature superconducting wire manufacturing method and a high temperature superconducting wire having multiple superconducting layers formed by applying the method. The method includes a stacking process in which a pair of protective layers of superconducting wires including a substrate, a superconducting layer, and the protective layer are stacked such that the protective layers face each other, a joining process in which the protective layers facing each other are diffusion joining together by thermal treatment and become a joining protective layer, an exfoliating process in which a layered structure of an upper portion of the corresponding superconducting layer is removed such that one side of the superconducting layer is exposed to the outside, and an outermost protective layer forming process in which an outer protective layer formed of the same material as the joining protective layer is formed on the upper portion of the exposed superconducting layer.
    Type: Application
    Filed: March 23, 2022
    Publication date: August 4, 2022
    Inventors: Hong Soo HA, Gwan Tae KIM, Hyun Woo NOH, Ho Sup KIM, Sang Soo OH
  • Publication number: 20210265554
    Abstract: Proposed are a thin film having single crystallinity and an excellent crystal orientation property, a method of manufacturing the same, and a semiconductor device, a battery device, a superconducting wire, and a superconducting article including the thin film having single crystallinity. The technical gist of the present disclosure includes a thin film having single crystallinity, which is formed by depositing a polycrystalline second material on an upper portion of a substrate including a polycrystalline first material and which has a crystal orientation property satisfying the following Relational Expression 1 at a grain boundary, a method of manufacturing the same, and a semiconductor device, a battery device, a superconducting wire, and a superconducting article including the thin film having single crystallinity. 0°<FWHM2?3°??[Relational Expression 1] (FWHM2 is a full width at half maximum of a distribution curve of a misorientation angle at the grain boundary of the thin film).
    Type: Application
    Filed: April 30, 2021
    Publication date: August 26, 2021
    Inventors: Ho Sup KIM, Sang Soo OH, Hong Soo HA, Jeong Hyeon JO, Gwan Tae KIM, Hyun Woo NOH
  • Publication number: 20200313064
    Abstract: The present invention relates to a high temperature-superconducting wire having a superconducting layer laminated thereon and a method of manufacturing the same. The method includes: preparing a pair of superconducting wires each of which includes a metal substrate, a buffer layer, a superconducting layer, and a protective layer; laminating the pair of superconducting wires to allow respective protective layers to face each other; performing thermal treatment to the laminated superconducting wires to join the protective layers together; separating the metal substrate and the buffer layer from the superconducting layer on one side; and forming a protective layer on an upper part of the superconducting layer having a surface exposed.
    Type: Application
    Filed: June 2, 2020
    Publication date: October 1, 2020
    Inventors: Hong Soo HA, Sang Soo OH, Sung Kyu KIM
  • Patent number: 9362477
    Abstract: Provided is a method of forming a ceramic wire. In the method, a ceramic precursor film is deposited on a wire substrate. Then, the wire substrate on which the ceramic precursor film is deposited is treated by heating. For treating the wire substrate by heating, a temperature of the wire substrate and/or an oxygen partial pressure of the wire substrate are controlled such that the ceramic precursor film is in a liquid state and an epitaxy ceramic film is formed from the liquid ceramic precursor film on the wire substrate.
    Type: Grant
    Filed: August 3, 2010
    Date of Patent: June 7, 2016
    Assignee: SUNAM CO., LTD.
    Inventors: Seung-Hyun Moon, Hun-Ju Lee, Sang-Im Yoo, Hong-Soo Ha
  • Patent number: 8900365
    Abstract: Disclosed is a deposition apparatus for depositing a specific substance on an elongate substrate such as an elongate strip of tape or film. The apparatus includes a vacuum chamber, supply reel and the for reel for supplying elongate substrate in rolled form, a drum, disposed in the vacuum chamber, the drum having a helically-shaped guide groove formed along an outer surface of the drum for receiving the elongate substrate supplied from the supply reel to be wound in the guide groove and to subsequently feed the elongate substrate to a retreat reel to wind thereon upon rotation of the drum, and a deposition source material for depositing a material onto a surface of the elongate substrate which is wound on the drum.
    Type: Grant
    Filed: August 6, 2007
    Date of Patent: December 2, 2014
    Assignee: Korea Electrotechnology Research Institute
    Inventors: Hong Soo Ha, Sang Soo Oh, Dong Woo Ha, Kyu Jung Song, Rock Kil Ko, Ho Sup Kim
  • Patent number: 8700110
    Abstract: A rolled superconducting article includes: a cylindrical bobbin having a post in a cylindrical shape; a superconducting strip wound on the cylindrical bobbin in a rolled shape with a predetermined tension applied, wherein the superconducting strip is formed of a superconducting thin film, which is coated with a metal coating layer on a facing surface of the superconducting thin film, and a stabilizing substrate wound on the superconducting strip, wherein the stabilizing substrate is coated with a metal coating layer on a facing surface of the stabilizing substrate; an anti-bonding substrate wound on an outer surface of the stabilizing substrate with a predetermined tension applied; wherein the superconducting thin film is thermally adhered to the stabilizing substrate by heat-treating the rolled superconducting strip with the anti-bonding substrate wound therearound.
    Type: Grant
    Filed: May 31, 2012
    Date of Patent: April 15, 2014
    Assignee: Korea Electrotechnology Research Institute
    Inventors: Hong Soo Ha, Sang Soo Oh, Dong Woo Ha, Kyu Jung Song, Rock Kil Ko, Ho Seop Kim
  • Patent number: 8633137
    Abstract: Disclosed herein is a high-temperature superconducting tape, including: a substrate; a buffer layer formed on the substrate; and a high-temperature superconducting layer formed on the buffer layer, wherein the substrate is made of SUS310s or stainless steel containing 0.01-1% of silicon (Si) and 1-5% of molybdenum (Mo) and has an average metal crystal grain size of 12 ?m or less, and the high-temperature superconducting layer is made of a ReBCO (ReBa2Cu3O7, Re=Nd, Sm, Eu, Gd, Dy, Ho, Y)-based superconductive material. The high-temperature superconducting tape is advantageous with the result that a high-grade superconducting layer can be deposited on the thin buffer layer and thus the critical current density of the high-temperature superconducting tape can be improved, thereby remarkably improving the characteristics of the high-temperature superconducting tape.
    Type: Grant
    Filed: September 7, 2011
    Date of Patent: January 21, 2014
    Assignee: Korea Electrotechnology Research Institute
    Inventors: Hong Soo Ha, Sang Soo Oh, Ho Sup Kim
  • Patent number: 8569212
    Abstract: Disclosed herein is a superconducting wire which is used in, for example, superconducting magnet energy storage systems. The superconducting wire includes: a wire comprising a metal substrate, a superconducting layer and a buffer interposed between the metal substrate and the superconducting layer; and a stabilizer layer plated on the wire, wherein an epoxy resin insulating layer coats the entire surface of the stabilizer layer. The superconducting wire makes it possible to reduce damage to an insulating material when forming the insulating material during the production of the superconducting wire, and it has a uniform surface and can be produced in a simple manner.
    Type: Grant
    Filed: March 1, 2011
    Date of Patent: October 29, 2013
    Assignee: Korea Electrotechnology Research Institute
    Inventors: Hong Soo Ha, Sang Soo Oh, Seok Ho Kim, Gi Deok Shim
  • Patent number: 8441247
    Abstract: The present invention relates to an apparatus and method for measuring the critical current of a superconducting tape. A continuous critical current measurement apparatus for measuring critical current of a superconducting tape while feeding a superconducting tape in a liquid nitrogen container includes wheel-type current terminals and wheel-type voltage terminals. The superconducting tape is continuously supplied and fed by a reel-to-reel device, and the critical current of the superconducting tape is measured in real time using the wheel-type current terminals and the wheel-type voltage terminals while the superconducting tape is fed at constant linear velocity in contact with the wheel-type current terminals and the wheel-type voltage terminals.
    Type: Grant
    Filed: July 20, 2010
    Date of Patent: May 14, 2013
    Assignee: Korea Electrotechnology Research Institute
    Inventors: Hong-Soo Ha, Seok-ho Kim, Ki-deok Sim, Sang-su Oh, Min-won Park
  • Patent number: 8367585
    Abstract: Disclosed herein is a superconducting strip having a metal coating layer and a method of manufacturing the superconducting strip.
    Type: Grant
    Filed: July 22, 2008
    Date of Patent: February 5, 2013
    Assignee: Korea Electrotechnology Research Institute
    Inventors: Hong Soo Ha, Sang Soo Oh, Dong Woo Ha, Kyu Jung Song, Rock Kil Ko, Ho Sup Kim
  • Patent number: 8353257
    Abstract: Disclosed herein is a deposition apparatus with a guide roller for a long superconducting tape. The deposition apparatus has a supply reel which is provided in a vacuum chamber and rotated to supply the tape, a feed and deposition unit which is spaced apart from the supply reel and vacuum deposits a superconducting layer on the tape while feeding the tape, and a collection reel which is spaced apart from the feed and deposition unit and is rotated to collect the vacuum-deposited tape.
    Type: Grant
    Filed: July 22, 2008
    Date of Patent: January 15, 2013
    Assignee: Korea Electrotechnology Research Institute
    Inventors: Hong Soo Ha, Sang Soo Oh, Dong Woo Ha, Kyu Jung Song, Rock Kil Ko, Ho Sup Kim
  • Publication number: 20120329658
    Abstract: Provided is a method of forming a ceramic wire. In the method, a ceramic precursor film is deposited on a wire substrate. Then, the wire substrate on which the ceramic precursor film is deposited is treated by heating. For treating the wire substrate by heating, a temperature of the wire substrate and/or an oxygen partial pressure of the wire substrate are controlled such that the ceramic precursor film is in a liquid state and an epitaxy ceramic film is formed from the liquid ceramic precursor film on the wire substrate.
    Type: Application
    Filed: August 3, 2010
    Publication date: December 27, 2012
    Inventors: Seung-Hyun Moon, Hun-Ju Lee, Sang-Im Yoo, Hong-Soo Ha
  • Publication number: 20120283105
    Abstract: A rolled superconducting article includes: a cylindrical bobbin having a post in a cylindrical shape; a superconducting strip wound on the cylindrical bobbin in a rolled shape with a predetermined tension applied, wherein the superconducting strip is formed of a superconducting thin film, which is coated with a metal coating layer on a facing surface of the superconducting thin film, and a stabilizing substrate wound on the superconducting strip, wherein the stabilizing substrate is coated with a metal coating layer on a facing surface of the stabilizing substrate; an anti-bonding substrate wound on an outer surface of the stabilizing substrate with a predetermined tension applied; wherein the superconducting thin film is thermally adhered to the stabilizing substrate by heat-treating the rolled superconducting strip with the anti-bonding substrate wound therearound.
    Type: Application
    Filed: May 31, 2012
    Publication date: November 8, 2012
    Applicant: Korea Electrotechnology Research Institute
    Inventors: Hong Soo HA, Sang Soo OH, Dong Woo HA, Kyu Jung SONG, Rock Kil KO, Ho Sup KIM
  • Publication number: 20120252680
    Abstract: Disclosed herein is a high-temperature superconducting tape, including: a substrate; a buffer layer formed on the substrate; and a high-temperature superconducting layer formed on the buffer layer, wherein the substrate is made of SUS310s or stainless steel containing 0.01-1% of silicon (Si) and 1-5% of molybdenum (Mo) and has an average metal crystal grain size of 12 ?m or less, and the high-temperature superconducting layer is made of a ReBCO (ReBa2Cu3O7, Re=Nd, Sm, Eu, Gd, Dy, Ho, Y)-based superconductive material. The high-temperature superconducting tape is advantageous with the result that a high-grade superconducting layer can be deposited on the thin buffer layer and thus the critical current density of the high-temperature superconducting tape can be improved, thereby remarkably improving the characteristics of the high-temperature superconducting tape.
    Type: Application
    Filed: September 7, 2011
    Publication date: October 4, 2012
    Applicant: Korea Electrotechnology Research Institute
    Inventors: Hong Soo HA, Sang Soo Oh, Ho Sup Kim
  • Patent number: 8043716
    Abstract: Disclosed herein is a gradient thin film, formed on a substrate by simultaneously depositing different materials on the substrate using a plurality of thin film deposition apparatuses provided in a vacuum chamber, wherein the gradient thin film is formed such that the composition thereof is continuously changed depending on the thickness thereof by deposition control plates provided in the path through which the different materials move to the substrate. The gradient thin film is advantageous in that the thin film is formed by simultaneously depositing different materials using various deposition apparatuses, so that the composition thereof is continuously changed depending on the thickness thereof, with the result that the physical properties of a thin film are easily controlled and the number of deposition processes is decreased, and thus processing time and manufacturing costs are decreased, thereby improving economic efficiency.
    Type: Grant
    Filed: July 22, 2008
    Date of Patent: October 25, 2011
    Assignee: Korea Electrotechnology Research Institute
    Inventors: Ho Sup Kim, Sang Soo Oh, Tae Hyung Kim, Dong Woo Ha, Kyu Jung Song, Hong Soo Ha, Rock Kil Ko, Nam Jin Lee
  • Patent number: 8034746
    Abstract: Disclosed herein is a method of manufacturing round wire using superconducting tape, including the steps of: slitting superconducting tape into superconducting tape strips; silver-coating the slit superconducting tape strips; laminating the silver-coated superconducting tape strips to form a superconducting tape laminate having a square cross-section; holding the superconducting tape laminate; heat-treating the fixed superconducting tape laminate to cause diffusion junction between silver; and copper-plating the heat-treated superconducting tape laminate to have a circular section.
    Type: Grant
    Filed: June 30, 2009
    Date of Patent: October 11, 2011
    Assignee: Korea Electrotechnology Research Institute
    Inventors: Hong Soo Ha, Sang Soo Oh, Dong Woo Ha, Rock Kil Ko, Ho Sup Kim
  • Patent number: 8026197
    Abstract: A method and apparatus for manufacturing superconducting tape through an integrated process, including the steps of: heat-treating a substrate wound on a drum in a reaction chamber; continuously depositing components, constituting a buffer layer, a superconducting layer, a contact resistance layer, and a protective layer of the superconducting tape, which are supplied from a deposition chamber, on the substrate; and heat-treating the substrate deposited with the components.
    Type: Grant
    Filed: September 28, 2007
    Date of Patent: September 27, 2011
    Assignee: Korea Electrotechnology Research Institute
    Inventors: Ho Seop Kim, Sang Soo Oh, Hong Soo Ha, Kyu Jung Song, Dong Woo Ha, Rock Kil Ko
  • Publication number: 20110218112
    Abstract: Disclosed herein is a superconducting wire which is used in, for example, superconducting magnet energy storage systems. The superconducting wire includes: a wire comprising a metal substrate, a superconducting layer and a buffer interposed between the metal substrate and the superconducting layer; and a stabilizer layer plated on the wire, wherein an epoxy resin insulating layer coats the entire surface of the stabilizer layer. The superconducting wire makes it possible to reduce damage to an insulating material when forming the insulating material during the production of the superconducting wire, and it has a uniform surface and can be produced in a simple manner.
    Type: Application
    Filed: March 1, 2011
    Publication date: September 8, 2011
    Applicant: Korea Electrotechnology Research Institute
    Inventors: Hong Soo Ha, Sang Soo Oh, Seok Ho Kim, Gi Deok Shim
  • Publication number: 20110140710
    Abstract: The present invention relates to an apparatus and method for measuring the critical current of a superconducting tape. A continuous critical current measurement apparatus for measuring critical current of a superconducting tape while feeding a superconducting tape in a liquid nitrogen container includes wheel-type current terminals and wheel-type voltage terminals. The superconducting tape is continuously supplied and fed by a reel-to-reel device, and the critical current of the superconducting tape is measured in real time using the wheel-type current terminals and the wheel-type voltage terminals while the superconducting tape is fed at constant linear velocity in contact with the wheel-type current terminals and the wheel-type voltage terminals.
    Type: Application
    Filed: July 20, 2010
    Publication date: June 16, 2011
    Applicant: Korea Electrotechnology Research Institute
    Inventors: Hong-soo Ha, Seok-ho Kim, Ki-deok Sim, Sang-soo Oh, Min-won Park