Patents by Inventor Seok Kyoon Woo

Seok Kyoon Woo 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: 20240038446
    Abstract: A multilayer ceramic electronic component includes: a ceramic body including dielectric layers and a plurality of first and second internal electrodes disposed on the dielectric layers to face each other with each of the dielectric layers interposed therebetween; and first and second external electrodes disposed on external surfaces of the ceramic body and electrically connected to the first and second internal electrodes, wherein the dielectric layer includes a dielectric ceramic composition including a base material main component represented by z(Ba(1-x)Ca.)TiO3-(1-z)BaTi205 including a first main component represented by (Ba(1-x)Ca.)TiO3 and a second main component represented by BaTi2O5, 0.7z0.8 and 0?x<0.1.
    Type: Application
    Filed: September 1, 2023
    Publication date: February 1, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Du Won CHOI, Ji Hong JO, Seok Kyoon WOO
  • Publication number: 20240038447
    Abstract: A multi-layered ceramic electronic component includes a ceramic body including a dielectric layer, and a plurality of first and second internal electrodes opposing each other with the dielectric layer interposed therebetween; and first and second external electrodes arranged outside of the ceramic body and electrically connected to the first and second internal electrodes, wherein the dielectric layer comprises a dielectric ceramic composition containing: a base material represented by (Ba1-xCax)TiO3 (0<x?0.09) as a main component, Y as a first accessory component, Mg as a second accessory component, Ba or Zr, or a mixture thereof, as a third accessory component, Mn, Ni, W, V, or Fe, or mixtures thereof, as a fourth accessory component, and Si as a fifth accessory component.
    Type: Application
    Filed: October 6, 2023
    Publication date: February 1, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Du Won CHOI, Ji Hong JO, Seok Kyoon WOO
  • Patent number: 11817264
    Abstract: A multi-layered ceramic electronic component includes a ceramic body including a dielectric layer, and a plurality of first and second internal electrodes opposing each other with the dielectric layer interposed therebetween; and first and second external electrodes arranged outside of the ceramic body and electrically connected to the first and second internal electrodes, wherein the dielectric layer comprises a dielectric ceramic composition containing: a base material represented by (Ba1-xCax)TiO3 (0<x?0.09) as a main component, Y as a first accessory component, Mg as a second accessory component, Ba or Zr, or a mixture thereof, as a third accessory component, Mn, Ni, W, V, or Fe, or mixtures thereof, as a fourth accessory component, and Si as a fifth accessory component.
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: November 14, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Du Won Choi, Ji Hong Jo, Seok Kyoon Woo
  • Patent number: 11784001
    Abstract: A multilayer ceramic electronic component includes: a ceramic body including dielectric layers and a plurality of first and second internal electrodes disposed on the dielectric layers to face each other with each of the dielectric layers interposed therebetween; and first and second external electrodes disposed on external surfaces of the ceramic body and electrically connected to the first and second internal electrodes, wherein the dielectric layer includes a dielectric ceramic composition including a base material main component represented by z(Ba(1-x)CaxTiO3-(1-z)BaTi2O5 including a first main component represented by (Ba(1-x)Cax)TiO3 and a second main component represented by BaTi2O5, 0.7?z?0.8 and 0?x<0.1.
    Type: Grant
    Filed: December 10, 2020
    Date of Patent: October 10, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Du Won Choi, Ji Hong Jo, Seok Kyoon Woo
  • Patent number: 11594371
    Abstract: A conductive powder for an internal electrode includes a metal particle and a graphene oxide disposed on at least a portion of a surface of the metal particle. A content of the graphene oxide is less than 1.0 weight percent, based on a weight of the metal particle.
    Type: Grant
    Filed: February 11, 2021
    Date of Patent: February 28, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jae Hee Kim, Seok Kyoon Woo, Won Hee Yoo, Ji Hong Jo
  • Patent number: 11551874
    Abstract: A method of manufacturing a multilayer ceramic electronic component includes preparing a ceramic green sheet, forming an internal electrode pattern by applying a paste for an internal electrode including a conductive powder to the ceramic green sheet, forming a ceramic laminate structure by layering the ceramic green sheet on which the internal electrode pattern is formed, forming a body including a dielectric layer and an internal electrode by sintering the ceramic laminate structure, and forming an external electrode by forming an electrode layer on the body, and forming a conductive resin layer on the electrode layer, and the conductive powder includes a conductive metal and tin (Sn), and a content of tin (Sn) is 1.5 wt % or higher, based on a weight of the conductive metal.
    Type: Grant
    Filed: December 3, 2020
    Date of Patent: January 10, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seok Kyoon Woo, Kyoung Jin Cha, Jeong Ryeol Kim, Ji Hong Jo
  • Patent number: 11469044
    Abstract: A capacitor component includes a body including a plurality of dielectric layers and first and second internal electrodes, alternately disposed to face each other with respective dielectric layers interposed therebetween, and first and second external electrodes disposed on external surfaces of the body and connected to the first and second internal electrodes, respectively. The body includes a capacitance forming portion, in which capacitance is formed by including the first and second internal electrodes, cover portions disposed above and below the capacitance forming portion, respectively, and margin portions disposed on both side surfaces of the capacitance forming portion, respectively. At least one selected from the cover portions and the margin portions includes a plurality of graphene platelets.
    Type: Grant
    Filed: September 9, 2020
    Date of Patent: October 11, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Du Won Choi, Ji Hong Jo, Seok Kyoon Woo, Hae Suk Chung
  • Patent number: 11211202
    Abstract: A method of manufacturing a multilayer ceramic electronic component includes preparing a ceramic green sheet, forming an internal electrode pattern by applying a paste for an internal electrode including a conductive powder to the ceramic green sheet, forming a ceramic laminate structure by layering the ceramic green sheet on which the internal electrode pattern is formed, forming a body including a dielectric layer and an internal electrode by sintering the ceramic laminate structure, and forming an external electrode by forming an electrode layer on the body, and forming a conductive resin layer on the electrode layer, and the conductive powder includes a conductive metal and tin (Sn), and a content of tin (Sn) is 1.5 wt % or higher, based on a weight of the conductive metal.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: December 28, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seok Kyoon Woo, Kyoung Jin Cha, Jeong Ryeol Kim, Ji Hong Jo
  • Patent number: 11164700
    Abstract: A multilayer capacitor includes a body, including a stacked structure formed of a plurality of dielectric layers and a plurality of internal electrodes, and a plurality of external electrodes. Each external electrode includes a conductive layer, disposed at the end of the body and connected to the plurality of internal electrodes, and a plating layer covering the conductive layer. Each conductive layer includes nickel (Ni) and barium titanate (BT), and an area occupied by nickel with respect to the total area of the respective conductive layer is 30% to 65%.
    Type: Grant
    Filed: September 2, 2020
    Date of Patent: November 2, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sung Hyung Kang, Yong Koo Kim, Hyung Kyu Kim, Won Hee Yoo, Jong Hyun Cho, Byung Kil Yun, Seok Kyoon Woo, Hyun Sung Dong
  • Publication number: 20210327650
    Abstract: A method of manufacturing a multilayer ceramic electronic component includes: preparing a dielectric magnetic composition including base material powder particles including BaTi2O5 or (Ba(1-x)Cax)Ti2O5 (0?x?0.1), the base material powder particles having surfaces coated with one or more of Mg, Mn, V, Ba, Si, Al and a rare earth metal; preparing ceramic green sheets using dielectric slurry including the dielectric magnetic composition; applying an internal electrode paste to the ceramic green sheets; preparing a green sheet laminate by stacking the ceramic green sheets to which the internal electrode paste is applied; and preparing a ceramic body including dielectric layers and a plurality of first and second internal electrodes arranged to face each other with each of the dielectric layers interposed therebetween by sintering the green sheet laminate.
    Type: Application
    Filed: June 30, 2021
    Publication date: October 21, 2021
    Inventors: Du Won CHOI, Seok Kyoon WOO, Ji Hong JO
  • Patent number: 11075035
    Abstract: A multilayer capacitor includes: a capacitor body including dielectric layers and first and second internal electrodes, and having first to six external surfaces, wherein the first internal electrode is exposed through the third, fifth, and sixth external surfaces, and the second internal electrode is exposed through the fourth, fifth, and sixth external surfaces; first and second side portions; and first and second external electrodes including first and second sintered electrodes, and first and second conductive resin electrodes, respectively, wherein ?L/T<3.5% is satisfied, where L is a thickness of the first or second side portion, taken at a level at which the first or second internal electrode is disposed, ?L is a difference between a maximum L value and a minimum L value, and T is a length of the first or second side portion in a direction perpendicular to the first and second internal electrodes.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: July 27, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Du Won Choi, Ji Hong Jo, Seok Kyoon Woo
  • Patent number: 11062849
    Abstract: A method of manufacturing a multilayer ceramic electronic component includes: preparing a dielectric magnetic composition including base material powder particles including BaTi2O5 or (Ba(1-x)Cax)Ti2O5 (0?x<0.1), the base material powder particles having surfaces coated with one or more of Mg, Mn, V, Ba, Si, Al and a rare earth metal; preparing ceramic green sheets using dielectric slurry including the dielectric magnetic composition; applying an internal electrode paste to the ceramic green sheets; preparing a green sheet laminate by stacking the ceramic green sheets to which the internal electrode paste is applied; and preparing a ceramic body including dielectric layers and a plurality of first and second internal electrodes arranged to face each other with each of the dielectric layers interposed therebetween by sintering the green sheet laminate.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: July 13, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Du Won Choi, Seok Kyoon Woo, Ji Hong Jo
  • Publication number: 20210166877
    Abstract: A conductive powder for an internal electrode includes a metal particle and a graphene oxide disposed on at least a portion of a surface of the metal particle. A content of the graphene oxide is less than 1.0 weight percent, based on a weight of the metal particle.
    Type: Application
    Filed: February 11, 2021
    Publication date: June 3, 2021
    Inventors: Jae Hee KIM, Seok Kyoon WOO, Won Hee YOO, Ji Hong JO
  • Publication number: 20210151253
    Abstract: A multi-layered ceramic electronic component includes a ceramic body including a dielectric layer, and a plurality of first and second internal electrodes opposing each other with the dielectric layer interposed therebetween; and first and second external electrodes arranged outside of the ceramic body and electrically connected to the first and second internal electrodes, wherein the dielectric layer comprises a dielectric ceramic composition containing: a base material represented by (Ba1-xCax)TiO3 (0<x?0.09) as a main component, Y as a first accessory component, Mg as a second accessory component, Ba or Zr, or a mixture thereof, as a third accessory component, Mn, Ni, W, V, or Fe, or mixtures thereof, as a fourth accessory component, and Si as a fifth accessory component.
    Type: Application
    Filed: January 27, 2021
    Publication date: May 20, 2021
    Inventors: Du Won CHOI, Ji Hong JO, Seok Kyoon WOO
  • Publication number: 20210090802
    Abstract: A multilayer ceramic electronic component includes: a ceramic body including dielectric layers and a plurality of first and second internal electrodes disposed on the dielectric layers to face each other with each of the dielectric layers interposed therebetween; and first and second external electrodes disposed on external surfaces of the ceramic body and electrically connected to the first and second internal electrodes, wherein the dielectric layer includes a dielectric ceramic composition including a base material main component represented by z(Ba(1-x)Ca.)TiO3-(1-z)BaTi205 including a first main component represented by (Ba(1-x)Ca.)TiO3 and a second main component represented by BaTi2O5, 0.7z0.8 and 0?x<0.1.
    Type: Application
    Filed: December 10, 2020
    Publication date: March 25, 2021
    Inventors: Du Won CHOI, Ji Hong JO, Seok Kyoon WOO
  • Publication number: 20210090812
    Abstract: A method of manufacturing a multilayer ceramic electronic component includes preparing a ceramic green sheet, forming an internal electrode pattern by applying a paste for an internal electrode including a conductive powder to the ceramic green sheet, forming a ceramic laminate structure by layering the ceramic green sheet on which the internal electrode pattern is formed, forming a body including a dielectric layer and an internal electrode by sintering the ceramic laminate structure, and forming an external electrode by forming an electrode layer on the body, and forming a conductive resin layer on the electrode layer, and the conductive powder includes a conductive metal and tin (Sn), and a content of tin (Sn) is 1.5 wt % or higher, based on a weight of the conductive metal.
    Type: Application
    Filed: December 3, 2020
    Publication date: March 25, 2021
    Inventors: Seok Kyoon WOO, Kyoung Jin CHA, Jeong Ryeol KIM, Ji Hong JO
  • Patent number: 10937592
    Abstract: A conductive powder for an internal electrode includes a metal particle and a graphene oxide disposed on at least a portion of a surface of the metal particle. A content of the graphene oxide is less than 1.0 weight percent, based on a weight of the metal particle.
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: March 2, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jae Hee Kim, Seok Kyoon Woo, Won Hee Yoo, Ji Hong Jo
  • Patent number: 10930434
    Abstract: A multi-layered ceramic electronic component includes a ceramic body including a dielectric layer, and a plurality of first and second internal electrodes opposing each other with the dielectric layer interposed therebetween; and first and second external electrodes arranged outside of the ceramic body and electrically connected to the first and second internal electrodes, wherein the dielectric layer comprises a dielectric ceramic composition containing: a base material represented by (Ba1-xCax)TiO3 (0<x?0.09) as a main component, Y as a first accessory component, Mg as a second accessory component, Ba or Zr, or a mixture thereof, as a third accessory component, Mn, Ni, W, V, or Fe, or mixtures thereof, as a fourth accessory component, and Si as a fifth accessory component.
    Type: Grant
    Filed: March 14, 2019
    Date of Patent: February 23, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Du Won Choi, Ji Hong Jo, Seok Kyoon Woo
  • Patent number: 10892096
    Abstract: A multilayer ceramic electronic component includes: a ceramic body including dielectric layers and a plurality of first and second internal electrodes disposed on the dielectric layers to face each other with each of the dielectric layers interposed therebetween; and first and second external electrodes disposed on external surfaces of the ceramic body and electrically connected to the first and second internal electrodes, wherein the dielectric layer includes a dielectric ceramic composition including a base material main component represented by z(Ba(1-x)Cax)TiO3-(1-z)BaTi2O5 including a first main component represented by (Ba(1-x)Cax)TiO3 and a second main component represented by BaTi2O5, 0.7?z?0.8 and 0?x<0.1.
    Type: Grant
    Filed: November 29, 2018
    Date of Patent: January 12, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Du Won Choi, Ji Hong Jo, Seok Kyoon Woo
  • Publication number: 20200411238
    Abstract: A capacitor component includes a body including a plurality of dielectric layers and first and second internal electrodes, alternately disposed to face each other with respective dielectric layers interposed therebetween, and first and second external electrodes disposed on external surfaces of the body and connected to the first and second internal electrodes, respectively. The body includes a capacitance forming portion, in which capacitance is formed by including the first and second internal electrodes, cover portions disposed above and below the capacitance forming portion, respectively, and margin portions disposed on both side surfaces of the capacitance forming portion, respectively. At least one selected from the cover portions and the margin portions includes a plurality of graphene platelets.
    Type: Application
    Filed: September 9, 2020
    Publication date: December 31, 2020
    Inventors: Du Won CHOI, Ji Hong JO, Seok Kyoon WOO, Hae Suk CHUNG