Patents by Inventor Oh Hun Kwon

Oh Hun Kwon 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: 20080257380
    Abstract: An apparatus of cleaning a workpiece for microelectronic applications can include fixture to help position the workpiece. In one aspect the apparatus can include a tank and a transducer. In another aspect the apparatus can include a nozzle. The fixture, the tank, the nozzle, or any combination thereof can include an electrostatic dissipative material having a volume resistivity Rv not less than 1E5 ohm-cm and not greater than 1E11 ohm-cm. In a particular embodiment, a process of cleaning includes directing mechanical energy through a fluid to help overcome energy binding a contaminant to the workpiece.
    Type: Application
    Filed: April 16, 2008
    Publication date: October 23, 2008
    Applicant: SAINT-GOBAIN CERAMICS & PLASTICS, INC.
    Inventors: Oh-Hun Kwon, Raymond H. Bryden, Qiang Zhao
  • Publication number: 20080259236
    Abstract: A process for producing a liquid crystal display (LCD) is provided that includes placing a glass substrate on a stage, and subjecting the glass substrate to at least one processing operation of a plurality of processing operations for forming an array of electronic devices on the glass substrate. The stage being electrostatic discharge dissipative and having a surface portion that has a volume resistivity (Rv) within a range between about 1E5 ?cm and about 1E11 ?cm.
    Type: Application
    Filed: April 11, 2008
    Publication date: October 23, 2008
    Applicant: SAINT-GOBAIN CERAMICS & PLASTICS, INC.
    Inventors: Oh-Hun Kwon, Steve D. Hartline, Raymond H. Bryden
  • Publication number: 20080042107
    Abstract: A composite material including a thermoplastic polymer matrix and a non-carbonaceous resistivity modifier dispersed in the thermoplastic polymer matrix. The composite material has a surface resistivity of about 1.0×104 ohm/sq to about 1.0×1011 ohm/sq and at least a portion of a surface of the composite material has a surface roughness (Ra) not greater than about 500 nm.
    Type: Application
    Filed: August 18, 2006
    Publication date: February 21, 2008
    Applicant: SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION
    Inventors: Pawel Czubarow, Gwo Swei, Oh-Hun Kwon
  • Publication number: 20080011811
    Abstract: ESD safe ceramic component is provided which includes a sintered composition which is formed of a base material and a resistivity modifier. The base material includes a primary component and a secondary component, the primary component including Al2O3 and the secondary component including tetragonal-ZrO2.
    Type: Application
    Filed: July 18, 2007
    Publication date: January 17, 2008
    Applicant: SAINT-GOBAIN CERAMICS & PLASTICS, INC.
    Inventors: Oh-Hun Kwon, Christophe Coureau, Richard Gorski, Matthew Simpson
  • Publication number: 20070237999
    Abstract: The present disclosure is directed to an integrated SOFC stack including, a first cell having a cathode layer, an electrolyte layer overlying the cathode layer, and an anode layer overlying the electrolyte layer. The SOFC stack also includes a second cell having a cathode layer, an electrolyte layer overlying the cathode layer, and an anode overlying the electrolyte layer. The SOFC stack further includes a ceramic interconnect layer between the first cell and the second cell, the ceramic interconnect layer having a first high temperature bonding region along the interfacial region between the first cell and the ceramic interconnect layer. The ceramic interconnect layer also includes a second high temperature bonding region along the interfacial region between the second cell and the ceramic interconnect layer.
    Type: Application
    Filed: April 4, 2007
    Publication date: October 11, 2007
    Applicant: SAINT-GOBAIN CERAMICS & PLASTICS, INC.
    Inventors: William Donahue, Oh-Hun Kwon, F. Mahoney, John Pietras
  • Patent number: 7247588
    Abstract: ESD safe ceramic component is provided which includes a sintered composition which is formed of a base material and a resistivity modifier. The base material includes a primary component and a secondary component, the primary component including Al2O3 and the secondary component including tetragonal-ZrO2.
    Type: Grant
    Filed: November 24, 2003
    Date of Patent: July 24, 2007
    Assignee: Saint-Gobain Ceramics & Plastics, Inc.
    Inventors: Oh-Hun Kwon, Christophe Coureau, Richard A. Gorski, Matthew A. Simpson
  • Publication number: 20070154716
    Abstract: A composite material includes polyimide and at least about 55 wt % non-carbonaceous filler. The composite material has a tensile strength at least about 44.9 MPa.
    Type: Application
    Filed: December 30, 2005
    Publication date: July 5, 2007
    Applicant: SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION
    Inventors: Pawel Czubarow, Mark Beltz, Gwo Swei, Oh-Hun Kwon
  • Publication number: 20070152195
    Abstract: A method of forming an electrostatic dissipative composite material includes preparing a mixture comprising a polyamic acid precursor and a non-carbonaceous resistivity modifier. The polyamic acid precursor reacts to form polyamic acid. The method also includes dehydrating the polyamic acid to form polyimide. The polyimide forms a polymer matrix in which the non-carbonaceous resistivity modifier is dispersed.
    Type: Application
    Filed: December 30, 2005
    Publication date: July 5, 2007
    Applicant: SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION
    Inventors: Pawel Czubarow, Mark Beltz, Oh-Hun Kwon, Gwo Swei
  • Patent number: 7157173
    Abstract: The disclosure is directed to a solid oxide fuel cell including an electrolyte. The electrolyte is formed using a fused electrolyte powder. The disclosure is also directed to a solid oxide fuel cell stack including a plurality of solid oxide fuel cells. Each solid oxide fuel cell of the plurality of solid oxide fuel cells includes an electrolyte. The electrolyte is formed using a fused electrolyte powder.
    Type: Grant
    Filed: October 3, 2005
    Date of Patent: January 2, 2007
    Assignee: Saint-Gobain Ceramics & Plastics, Inc.
    Inventor: Oh-Hun Kwon
  • Patent number: 7094718
    Abstract: This invention relates to a dense ceramics having ESD dissipative characteristics, tunable volume and surface resistivities in semi-insulative range (103-1011 Ohm-cm), substantially pore free, high flexural strength, light colors, for desired ESD dissipation characteristics, structural reliability, high vision recognition, low wear and particulate contamination to be used as ESD dissipating tools, fixtures, load bearing elements, work surfaces, containers in manufacturing and assembling electrostatically sensitive microelectronic, electromagnetic, electro-optic components, devices and systems.
    Type: Grant
    Filed: October 20, 2003
    Date of Patent: August 22, 2006
    Assignee: Saint-Gobain Ceramics & Plastics, Inc.
    Inventors: Oh-Hun Kwon, Matthew A. Simpson, Roger J. Lin
  • Publication number: 20060175584
    Abstract: ESD safe ceramic component is provided which includes a sintered composition which is formed of a base material and a resistivity modifier. The base material includes a primary component and a secondary component, the primary component including Al2O3 and the secondary component including tetragonal-ZrO2.
    Type: Application
    Filed: November 24, 2003
    Publication date: August 10, 2006
    Inventors: Oh-Hun Kwon, Christophe Coureau, Richard Gorski, Matthew Simpson
  • Publication number: 20060024565
    Abstract: The disclosure is directed to a solid oxide fuel cell including an electrolyte. The electrolyte is formed using a fused electrolyte powder. The disclosure is also directed to a solid oxide fuel cell stack including a plurality of solid oxide fuel cells. Each solid oxide fuel cell of the plurality of solid oxide fuel cells includes an electrolyte. The electrolyte is formed using a fused electrolyte powder.
    Type: Application
    Filed: October 3, 2005
    Publication date: February 2, 2006
    Applicant: SAINT-GOBAIN CERAMICS & PLASTICS, INC.
    Inventor: Oh-Hun Kwon
  • Publication number: 20060017046
    Abstract: This invention relates to a dense ceramics having ESD dissipative characteristics, tunable volume and surface resistivities in semi-insulative range (103-1011 Ohm-cm), substantially pore free, high flexural strength, light colors, for desired ESD dissipation characteristics, structural reliability, high vision recognition, low wear and particulate contamination to be used as ESD dissipating tools, fixtures, load bearing elements, work surfaces, containers in manufacturing and assembling electrostatically sensitive microelectronic, electromagnetic, electro-optic components, devices and systems.
    Type: Application
    Filed: July 20, 2005
    Publication date: January 26, 2006
    Applicant: SAINT-GOBAIN CERAMICS & PLASTICS, INC.
    Inventors: Oh-Hun Kwon, Matthew Simpson, Roger Lin
  • Patent number: 6982130
    Abstract: The disclosure is directed to a solid oxide fuel cell including an electrolyte. The electrolyte is formed using a fused electrolyte powder. The disclosure is also directed to a solid oxide fuel cell stack including a plurality of solid oxide fuel cells. Each solid oxide fuel cell of the plurality of solid oxide fuel cells includes an electrolyte. The electrolyte is formed using a fused electrolyte powder.
    Type: Grant
    Filed: June 9, 2004
    Date of Patent: January 3, 2006
    Assignee: Saint-Gobain Ceramics & Plastics, Inc.
    Inventor: Oh-Hun Kwon
  • Publication number: 20050254190
    Abstract: A structural component is provided that includes a substrate and a ceramic layer deposited thereon. The ceramic layer is formed of a ceramic electrostatic discharge dissipative material and has an electrical resistivity within a range of about 103 to about 1011 ohm-cm.
    Type: Application
    Filed: July 22, 2005
    Publication date: November 17, 2005
    Applicant: SAINT-GOBAIN CERAMICS & PLASTICS, INC.
    Inventors: Oh-Hun Kwon, Matthew Simpson
  • Publication number: 20050019636
    Abstract: The disclosure is directed to a solid oxide fuel cell stack. The solid oxide fuel cell stack includes at least two solid oxide fuel cells. The two solid oxide fuel cells share a common electrode.
    Type: Application
    Filed: June 9, 2004
    Publication date: January 27, 2005
    Inventors: Oh-Hun Kwon, William Donahue, Marc Abouaf, Christophe Coureau, F. Michael Mahoney
  • Publication number: 20050008915
    Abstract: The disclosure is directed to a solid oxide fuel cell including an electrolyte. The electrolyte is formed using a fused electrolyte powder. The disclosure is also directed to a solid oxide fuel cell stack including a plurality of solid oxide fuel cells. Each solid oxide fuel cell of the plurality of solid oxide fuel cells includes an electrolyte. The electrolyte is formed using a fused electrolyte powder.
    Type: Application
    Filed: June 9, 2004
    Publication date: January 13, 2005
    Inventor: Oh-Hun Kwon
  • Publication number: 20040183135
    Abstract: A structural component is provided that includes a substrate and a ceramic layer deposited thereon. The ceramic layer is formed of a ceramic electrostatic discharge dissipative material and has an electrical resistivity within a range of about 103 to about 1011 ohm-cm.
    Type: Application
    Filed: March 19, 2003
    Publication date: September 23, 2004
    Inventors: Oh-Hun Kwon, Matthew A. Simpson
  • Patent number: 6736704
    Abstract: A lapping carrier for machining a row of magneto-resistive elements is disclosed. The lapping carrier includes a plurality of movable elements, the movable elements terminating at an outer surface to form a generally planar mounting surface for a row of magneto-resistive elements. The lapping carrier is formed of a ceramic material. A method for lapping or machining a row of magneto-resistive elements is also disclosed.
    Type: Grant
    Filed: April 16, 2003
    Date of Patent: May 18, 2004
    Assignee: Saint-Gobain Ceramics & Plastics, Inc.
    Inventors: Leo E. Kennedy, Oh-Hun Kwon, Matthew A. Simpson, Stanley C. Smith
  • Publication number: 20040079927
    Abstract: This invention relates to a dense ceramics having ESD dissipative characteristics, tunable volume and surface resistivities in semi-insulative range (103-1011 Ohm-cm), substantially pore free, high flexural strength, light colors, for desired ESD dissipation characteristics, structural reliability, high vision recognition, low wear and particulate contamination to be used as ESD dissipating tools, fixtures, load bearing elements, work surfaces, containers in manufacturing and assembling electrostatically sensitive microelectronic, electromagnetic, electro-optic components, devices and systems.
    Type: Application
    Filed: October 20, 2003
    Publication date: April 29, 2004
    Applicant: Saint-Gobain Ceramics & Plastics, Inc.
    Inventors: Oh-Hun Kwon, Matthew A. Simpson, Roger J. Lin