Patents by Inventor Young-Whoan Beag

Young-Whoan Beag 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).

  • Publication number: 20080254219
    Abstract: The present invention relates to a method and device for preparing powder by depositing nano metal, alloy, ceramic particles that are excellent in size uniformity, on a surface of the powder that is a base, using a vacuum deposition method. In particular, the present invention provides a method and device for preparing the powder on which the nano metal, alloy, and ceramic particles of a very uniform size are deposited, by simultaneously performing deposition and agitation using an effective agitation means for solving a disadvantage of a conventional method where deposition and agitation are separately performed. Also, the present invention provides a method and device for preparing the powder on which nano particles are deposited, in which a nano characteristic is kept by preventing a coalescence phenomenon of nano particles even when a deposition time for increasing contents of the nano particles increases in their preparation.
    Type: Application
    Filed: October 16, 2006
    Publication date: October 16, 2008
    Applicant: P & I CORPORATION
    Inventors: Seok Keun Koh, Young Whoan Beag, Jun Sik Cho, Jae Ho Joo, Young Gun Han, Jung Hwan Lee, Un Jung Yo
  • Patent number: 7309405
    Abstract: Disclosed is a method of forming an ITO film by optimized sequential sputter deposition of seed and bulk layers having different sputter process conditions, which is applicable to various display devices, and more particularly, to an organic light-emitting device needing an ultra-planarized surface roughness. In forming a transparent conducting electrode of a display device on a transparent substrate with an ITO film including a seed layer and a bulk layer, a method of forming the ITO film includes a first sputter deposition step of forming the ITO film on the substrate with sputtering gas supplied to an ion source at an ambience of oxygen flowing in the vicinity of the substrate and a second sputter deposition step of forming the ITO film with the sputtering gas supplied to the ion source only, wherein the first and second sputter deposition steps have different process conditions, respectively and wherein the seed and bulk layers are deposited by the first or second sputter deposition step.
    Type: Grant
    Filed: January 7, 2004
    Date of Patent: December 18, 2007
    Assignee: P & I Corp.
    Inventors: Jun-Sik Cho, Young-Gun Han, Young-Whoan Beag, Seok-Keun Koh
  • Patent number: 6787441
    Abstract: A method of depositing indium oxide or indium tin oxide thin film on a polymer substrate is disclosed. In the method, oxygen or argon ion beam is radiated on a polymer substrate by a constant accelerating energy in a vacuum state to modify the surface of the polymer substrate, on which an IO thin film or an ITO thin film is deposited while oxygen ion beam, argon ion beam or their mixture ion beam is being radiated in a vacuum state. In addition, ion beam is generated from a cold cathode ion source by using argon, oxygen or their mixture gas and sputtered at a target substance composed of In2O3 or In2O3 and SnO2, thereby an IO or an ITO thin film can be deposited on the surface-modified polymer substrate.
    Type: Grant
    Filed: November 13, 2002
    Date of Patent: September 7, 2004
    Assignee: Korea Institute of Science and Technology
    Inventors: Seok-Keun Koh, Young-Whoan Beag, Jun-Sik Cho, Young-Gun Han
  • Publication number: 20040140198
    Abstract: Disclosed is a method of forming an ITO film by optimized sequential sputter deposition of seed and bulk layers having different sputter process conditions, which is applicable to various display devices, and more particularly, to an organic light-emitting device needing an ultra-planarized surface roughness. In forming a transparent conducting electrode of a display device on a transparent substrate with an ITO film including a seed layer and a bulk layer, a method of forming the ITO film includes a first sputter deposition step of forming the ITO film on the substrate with sputtering gas supplied to an ion source at an ambience of oxygen flowing in the vicinity of the substrate and a second sputter deposition step of forming the ITO film with the sputtering gas supplied to the ion source only, wherein the first and second sputter deposition steps have different process conditions, respectively and wherein the seed and bulk layers are deposited by the first or second sputter deposition step.
    Type: Application
    Filed: January 7, 2004
    Publication date: July 22, 2004
    Inventors: Jun-Sik Cho, Young-Gun Han, Young-Whoan Beag, Seok-Keun Koh
  • Publication number: 20040099216
    Abstract: Disclosed is an apparatus for modifying a surface of a material enabling to improve an ion beam treated effect and efficiency of a surface modified material by installing a gas distributor distributing a reactive gas uniformly, an exhaust valve controlling an exhaust speed of the reactive gas, or a plurality of ion beam treatment areas providing various surface modification effects.
    Type: Application
    Filed: November 6, 2003
    Publication date: May 27, 2004
    Inventors: Seok-Keun Koh, Jun-Sik Cho, Young-Whoan Beag
  • Publication number: 20040058088
    Abstract: Disclosed is a processing method for forming a thick film having an improved adhesion to a surface-modified substrate and an apparatus thereof enabling to form a thick film having the improved adhesion to a polymeric surface by modifying the polymeric surface to have a hydrophilic property. The method includes the steps of preparing a substrate of a polymer material, surface-modifying the substrate, forming a seed layer on the substrate, and forming the thick film on the seed layer. The apparatus includes an unloading area supplying a substrate of a polymer material, a surface treating area modifying a surface of the substrate, a seed layer formation area forming a seed layer on the surface-modified substrate, a thick film formation area forming a thick film on the seed layer, and a loading area loading the substrate.
    Type: Application
    Filed: September 2, 2003
    Publication date: March 25, 2004
    Inventors: Young-Whoan Beag, Sung Han, Jun-Sik Cho, Cheol-Su Lee, Sung-Soo Koh, Jin-Woo Seok