Patents by Inventor Won Hee Yoo

Won Hee Yoo 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: 12142432
    Abstract: A multilayer capacitor includes a body including a dielectric layer and a plurality of internal electrodes stacked on each other interposing the dielectric layer therebetween, and external electrodes disposed externally on the body, respectively including a first layer connected to the internal electrode and a second layer covering the first layer, wherein the first layer includes a metal particle including an element A and a Z-A-O phase formed in the metal particle, and here, the element Z is an alkali metal.
    Type: Grant
    Filed: May 24, 2022
    Date of Patent: November 12, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sang Moon Lee, Taek Jung Lee, Won Hee Yoo, Seol Gyeong Park
  • Patent number: 12094655
    Abstract: An electronic component includes a plurality of dielectric layers; and a plurality of first internal electrodes and a plurality of second internal electrodes alternately disposed with a corresponding dielectric layer interposed therebetween. One of the plurality of first internal electrodes includes a metal layer containing Ni and Sn, a first graphene layer disposed on a lower surface of the metal layer, and a second graphene layer disposed on an upper surface of the metal layer.
    Type: Grant
    Filed: September 8, 2021
    Date of Patent: September 17, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Won Hee Yoo, Sang Moon Lee, Eun Kwang Lee, Jae Young Na, Han Seong Jung
  • Publication number: 20240212933
    Abstract: A multilayer electronic component includes a body including two or more unit electrode stacks, each unit electrode stack including a dielectric layer and internal electrodes alternately disposed with the dielectric layer in a first direction, wherein the two or more unit electrode stacks are arranged in a line in the first direction, a width of internal electrodes disposed in an upper portion of each unit electrode stack in the first direction among the internal electrodes and a width of internal electrodes disposed in a lower portion of each unit electrode stack in the first direction among the internal electrodes are smaller than a width of the internal electrodes disposed in a central portion in the first direction.
    Type: Application
    Filed: December 4, 2023
    Publication date: June 27, 2024
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Won Hee YOO, Young Hoon SONG, Hyun Woo KIM
  • Patent number: 11984269
    Abstract: A ceramic electronic component includes a body including a dielectric layer and an internal electrode; and an external electrode disposed on the body, wherein a first carbon material is disposed in the internal electrode. The first carbon material includes carbon black, which has conductivity, a substantially spherical shape, and a particle diameter of 0.05 ?m or less.
    Type: Grant
    Filed: February 11, 2022
    Date of Patent: May 14, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Won Hee Yoo, Min Seop Kim, Jin Man Jung, Hyo Joong Kim
  • Publication number: 20230170148
    Abstract: A ceramic electronic component includes a body including a dielectric layer and an internal electrode; and an external electrode disposed on the body, wherein a first carbon material is disposed in the internal electrode. The first carbon material includes carbon black, which has conductivity, a substantially spherical shape, and a particle diameter of 0.05 µm or less.
    Type: Application
    Filed: February 11, 2022
    Publication date: June 1, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Won Hee Yoo, Min Seop Kim, Jin Man Jung, Hyo Joong Kim
  • Publication number: 20230145815
    Abstract: A multilayer capacitor includes a body including a dielectric layer and a plurality of internal electrodes stacked on each other interposing the dielectric layer therebetween, and external electrodes disposed externally on the body, respectively including a first layer connected to the internal electrode and a second layer covering the first layer, wherein the first layer includes a metal particle including an element A and a Z-A-O phase formed in the metal particle, and here, the element Z is an alkali metal.
    Type: Application
    Filed: May 24, 2022
    Publication date: May 11, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sang Moon LEE, Taek Jung LEE, Won Hee YOO, Seol Gyeong PARK
  • Patent number: 11631536
    Abstract: An electronic component includes a body including a plurality of dielectric layers, and a plurality of internal electrodes disposed with a corresponding one of the dielectric layers interposed therebetween; and an external electrode disposed on the body and connected to at least one of the plurality of internal electrodes. One of the plurality of internal electrodes includes an alloy metal including nickel, tin and aluminum. One of the plurality of internal electrodes includes a core internal electrode including a first surface and a second surface opposing each other, and a capping internal electrode disposed on the first surface of the core internal electrode and the second surface of the core internal electrode. The capping internal electrode includes a first alloy region including an alloy of nickel and aluminum.
    Type: Grant
    Filed: July 20, 2021
    Date of Patent: April 18, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sang Moon Lee, Jae Young Na, Eun Kwang Lee, Won Hee Yoo
  • 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: 11569039
    Abstract: An electronic component includes a body including a plurality of stacked dielectric layers and internal electrodes disposed with a corresponding dielectric layer interposed therebetween, and external electrodes disposed on the body and connected to corresponding internal electrodes. One of the internal electrodes includes a particle including Ni and Sn and a graphene layer disposed at a boundary of the particle. A ratio of an Sn content to a total content of Ni and Sn is Sn/(Ni+Sn), Sn/(Ni+Sn) of a first region located inside the particle at a first distance from a boundary between the particle and the graphene layer is A1, Sn/(Ni+Sn) of a second region located inside the particle at a second distance from a boundary between the particle and the graphene layer is A2, the second distance is smaller than the first distance, and A1 is smaller than A2.
    Type: Grant
    Filed: July 14, 2021
    Date of Patent: January 31, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sang Moon Lee, Jae Young Na, Eun Kwang Lee, Won Hee Yoo
  • Publication number: 20220157531
    Abstract: An electronic component includes a body including a plurality of stacked dielectric layers and internal electrodes disposed with a corresponding dielectric layer interposed therebetween, and external electrodes disposed on the body and connected to corresponding internal electrodes. One of the internal electrodes includes a particle including Ni and Sn and a graphene layer disposed at a boundary of the particle. A ratio of an Sn content to a total content of Ni and Sn is Sn/(Ni+Sn), Sn/(Ni+Sn) of a first region located inside the particle at a first distance from a boundary between the particle and the graphene layer is A1, Sn/(Ni+Sn) of a second region located inside the particle at a second distance from a boundary between the particle and the graphene layer is A2, the second distance is smaller than the first distance, and A1 is smaller than A2.
    Type: Application
    Filed: July 14, 2021
    Publication date: May 19, 2022
    Inventors: Sang Moon Lee, Jae Young Na, Eun Kwang Lee, Won Hee Yoo
  • Publication number: 20220157523
    Abstract: An electronic component includes a body including a plurality of dielectric layers, and a plurality of internal electrodes disposed with a corresponding one of the dielectric layers interposed therebetween; and an external electrode disposed on the body and connected to at least one of the plurality of internal electrodes. One of the plurality of internal electrodes includes an alloy metal including nickel, tin and aluminum. One of the plurality of internal electrodes includes a core internal electrode including a first surface and a second surface opposing each other, and a capping internal electrode disposed on the first surface of the core internal electrode and the second surface of the core internal electrode. The capping internal electrode includes a first alloy region including an alloy of nickel and aluminum.
    Type: Application
    Filed: July 20, 2021
    Publication date: May 19, 2022
    Inventors: Sang Moon LEE, Jae Young NA, Eun Kwang LEE, Won Hee YOO
  • Publication number: 20220157526
    Abstract: An electronic component includes a plurality of dielectric layers; and a plurality of first internal electrodes and a plurality of second internal electrodes alternately disposed with a corresponding dielectric layer interposed therebetween. One of the plurality of first internal electrodes includes a metal layer containing Ni and Sn, a first graphene layer disposed on a lower surface of the metal layer, and a second graphene layer disposed on an upper surface of the metal layer.
    Type: Application
    Filed: September 8, 2021
    Publication date: May 19, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Won Hee YOO, Sang Moon LEE, Eun Kwang LEE, Jae Young NA, Han Seong JUNG
  • 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: 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
  • 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
  • Publication number: 20200402716
    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: Application
    Filed: September 2, 2020
    Publication date: December 24, 2020
    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
  • Patent number: 10796855
    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: November 8, 2018
    Date of Patent: October 6, 2020
    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: 20200090865
    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: November 14, 2018
    Publication date: March 19, 2020
    Inventors: Jae Hee KIM, Seok Kyoon WOO, Won Hee YOO, Ji Hong JO
  • Publication number: 20200058443
    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: Application
    Filed: November 8, 2018
    Publication date: February 20, 2020
    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
  • Patent number: 9101064
    Abstract: Disclosed herein are a thin film electrode ceramic substrate and a method for manufacturing the same. The thin film electrode ceramic substrate includes: a ceramic substrate; one or more anti-etching metal layers formed in a surface of the ceramic substrate; thin film electrode pattern formed on the anti-etching metal layers; and a plating layer formed on the thin film electrode pattern, wherein respective edge portions of the thin film electrode pattern are contacted with the anti-etching metal layer, and thus, an undercut defect occurring between the surface of the ceramic substrate and the thin film electrode pattern and between the thin film electrode patterns due to an etchant can be prevented and the binding strength of the entire thin film electrode pattern can be enhanced, resulting in securing durability and reliability of the thin film electrode patterns.
    Type: Grant
    Filed: July 13, 2012
    Date of Patent: August 4, 2015
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Won Hee Yoo, Byeung Gyu Chang, Taek Jung Lee, Yun Hwi Park