Patents by Inventor Kun Hoi KOO

Kun Hoi KOO 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: 11817251
    Abstract: An electronic component includes an internal electrode and an external electrode electrically connected thereto. The external electrode includes a conductive base having a porous structure and a resin filled in voids in the porous structure of the conductive base. The electronic component further includes a connection layer disposed between the internal electrode and the external electrode.
    Type: Grant
    Filed: October 29, 2021
    Date of Patent: November 14, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kun Hoi Koo, Byung Woo Kang, Ji Hye Han, Bon Seok Koo
  • Patent number: 11574773
    Abstract: A multilayer electronic component includes a body including a dielectric layer and internal electrodes alternately stacked with the dielectric layer interposed therebetween; and an external electrode including a first electrode layer disposed externally on the body, connected to the internal electrodes, and including a conductive metal, a glass, a low melting point metal having a lower melting point than the conductive metal, and a pore, and a second electrode layer covering the first electrode layer and including a conductive metal, a glass, and a pore, wherein porosity of the first electrode layer is higher than porosity of the second electrode layer.
    Type: Grant
    Filed: September 30, 2021
    Date of Patent: February 7, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Young Soo Yi, Soung Jin Kim, Kun Hoi Koo, Jun Hyeon Kim, Kyung Ryul Lee
  • Patent number: 11437192
    Abstract: A multilayered capacitor includes a capacitor body including a plurality of dielectric layers and a plurality of internal electrodes; and external electrodes disposed on both end portions of the capacitor body and connected to exposed portions of the internal electrodes, respectively. Each of the external electrodes includes a conductive layer formed on the capacitor body and connected to the internal electrodes; an inner plated layer including nickel (Ni) and phosphorus (P), and covering the conductive layer; and an outer plated layer including palladium (Pd) and phosphorus (P), and covering the inner plated layer.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: September 6, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Mi Geum Kim, Byeong Cheol Moon, Kun Hoi Koo, Jung Min Kim
  • Patent number: 11398348
    Abstract: An electronic component includes a body, including a dielectric layer and an internal electrode, and an external electrode including a conductive resin layer, disposed on the body, and a plating layer disposed on the conductive resin layer. The conductive resin layer includes a metal particle, a first intermetallic compound, and a base resin, and a second intermetallic compound is disposed on a boundary between the conductive resin layer and the plating layer.
    Type: Grant
    Filed: September 16, 2020
    Date of Patent: July 26, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kun Hoi Koo, Soung Jin Kim, Bon Seok Koo
  • Patent number: 11393628
    Abstract: A multilayer ceramic capacitor includes a body including a dielectric layer and an internal electrode and an external electrode disposed on one surface of the body. The external electrode includes an electrode layer, in contact with the internal electrode, a first intermetallic compound layer disposed on the electrode layer and made of Cu3Sn, a first intermetallic compound, a second intermetallic compound layer disposed on the first intermetallic compound layer and made of Cu6Sn5, a second intermetallic compound, and a conductive resin layer disposed on the second intermetallic compound layer and including a plurality of metal particles, a base resin and a conductive metal having a melting point lower than a curing temperature of the base resin.
    Type: Grant
    Filed: December 24, 2020
    Date of Patent: July 19, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kun Hoi Koo, Soung Jin Kim, Bon Seok Koo
  • Publication number: 20220189696
    Abstract: A multilayer electronic component includes a body including a dielectric layer and internal electrodes alternately stacked with the dielectric layer interposed therebetween; and an external electrode including a first electrode layer disposed externally on the body, connected to the internal electrodes, and including a conductive metal, a glass, a low melting point metal having a lower melting point than the conductive metal, and a pore, and a second electrode layer covering the first electrode layer and including a conductive metal, a glass, and a pore, wherein porosity of the first electrode layer is higher than porosity of the second electrode layer.
    Type: Application
    Filed: September 30, 2021
    Publication date: June 16, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Young Soo YI, Soung Jin KIM, Kun Hoi KOO, Jun Hyeon KIM, Kyung Ryul LEE
  • Patent number: 11342119
    Abstract: A multilayer capacitor and a method of manufacturing includes a conductive resin layer of an external electrode disposed on a first electrode layer. The conductive resin layer includes a conductive connecting part and an intermetallic compound contacting the first electrode layer and the conductive connecting part. The conductive connecting part contacts a plurality of metal particles and a second electrode layer, such that the 7 equivalent series resistance (ESR) of the multilayer capacitor is decreased and warpage strength of the multilayer capacitor is improved.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: May 24, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jung Min Kim, Bon Seok Koo, Jung Wook Seo, Yoon Hee Lee, Kun Hoi Koo
  • Publication number: 20220051843
    Abstract: An electronic component includes an internal electrode and an external electrode electrically connected thereto. The external electrode includes a conductive base having a porous structure and a resin filled in voids in the porous structure of the conductive base. The electronic component further includes a connection layer disposed between the internal electrode and the external electrode.
    Type: Application
    Filed: October 29, 2021
    Publication date: February 17, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kun Hoi KOO, Byung Woo KANG, Ji Hye HAN, Bon Seok KOO
  • Publication number: 20210375543
    Abstract: An electronic component includes a body, including a dielectric layer and an internal electrode, and an external electrode including a conductive resin layer, disposed on the body, and a plating layer disposed on the conductive resin layer. The conductive resin layer includes a metal particle, a first intermetallic compound, and a base resin, and a second intermetallic compound is disposed on a boundary between the conductive resin layer and the plating layer.
    Type: Application
    Filed: September 16, 2020
    Publication date: December 2, 2021
    Inventors: Kun Hoi Koo, Soung Jin Kim, Bon Seok Koo
  • Patent number: 11183325
    Abstract: An electronic component includes an internal electrode and an external electrode electrically connected thereto. The external electrode includes a conductive base having a porous structure and a resin filled in voids in the porous structure of the conductive base. The electronic component further includes a connection layer disposed between the internal electrode and the external electrode.
    Type: Grant
    Filed: November 8, 2017
    Date of Patent: November 23, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kun Hoi Koo, Byung Woo Kang, Ji Hye Han, Bon Seok Koo
  • Publication number: 20210265115
    Abstract: A multilayered capacitor includes a capacitor body including a plurality of dielectric layers and a plurality of internal electrodes; and external electrodes disposed on both end portions of the capacitor body and connected to exposed portions of the internal electrodes, respectively. Each of the external electrodes includes a conductive layer formed on the capacitor body and connected to the internal electrodes; an inner plated layer including nickel (Ni) and phosphorus (P), and covering the conductive layer; and an outer plated layer including palladium (Pd) and phosphorus (P), and covering the inner plated layer.
    Type: Application
    Filed: May 12, 2021
    Publication date: August 26, 2021
    Inventors: Mi Geum KIM, Byeong Cheol MOON, Kun Hoi KOO, Jung Min KIM
  • Patent number: 11037732
    Abstract: A multilayered capacitor includes a capacitor body including a plurality of dielectric layers and a plurality of internal electrodes; and external electrodes disposed on both end portions of the capacitor body and connected to exposed portions of the internal electrodes, respectively. Each of the external electrodes includes a conductive layer formed on the capacitor body and connected to the internal electrodes; an inner plated layer including nickel (Ni) and phosphorus (P), and covering the conductive layer; and an outer plated layer including palladium (Pd) and phosphorus (P), and covering the inner plated layer.
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: June 15, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Mi Geum Kim, Byeong Cheol Moon, Kun Hoi Koo, Jung Min Kim
  • Publication number: 20210118616
    Abstract: A multilayer ceramic capacitor includes a body including a dielectric layer and an internal electrode and an external electrode disposed on one surface of the body. The external electrode includes an electrode layer, in contact with the internal electrode, a first intermetallic compound layer disposed on the electrode layer and made of Cu3Sn, a first intermetallic compound, a second intermetallic compound layer disposed on the first intermetallic compound layer and made of Cu6Sn5, a second intermetallic compound, and a conductive resin layer disposed on the second intermetallic compound layer and including a plurality of metal particles, a base resin and a conductive metal having a melting point lower than a curing temperature of the base resin.
    Type: Application
    Filed: December 24, 2020
    Publication date: April 22, 2021
    Inventors: Kun Hoi Koo, Soung Jin Kim, Bon Seok Koo
  • Patent number: 10903010
    Abstract: A multilayer ceramic capacitor includes a body including a dielectric layer and an internal electrode and an external electrode disposed on one surface of the body. The external electrode includes an electrode layer, in contact with the internal electrode, a first intermetallic compound layer disposed on the electrode layer and made of Cu3Sn, a first intermetallic compound, a second intermetallic compound layer disposed on the first intermetallic compound layer and made of Cu6Sn5, a second intermetallic compound, and a conductive resin layer disposed on the second intermetallic compound layer and including a plurality of metal particles, a base resin and a conductive metal having a melting point lower than a curing temperature of the base resin.
    Type: Grant
    Filed: April 18, 2019
    Date of Patent: January 26, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kun Hoi Koo, Soung Jin Kim, Bon Seok Koo
  • Publication number: 20210005388
    Abstract: A multilayer capacitor and a method of manufacturing includes a conductive resin layer of an external electrode disposed on a first electrode layer. The conductive resin layer includes a conductive connecting part and an intermetallic compound contacting the first electrode layer and the conductive connecting part. The conductive connecting part contacts a plurality of metal particles and a second electrode layer, such that the 7 equivalent series resistance (ESR) of the multilayer capacitor is decreased and warpage strength of the multilayer capacitor is improved.
    Type: Application
    Filed: September 24, 2020
    Publication date: January 7, 2021
    Inventors: Jung Min KIM, Bon Seok KOO, Jung Wook SEO, Yoon Hee LEE, Kun Hoi KOO
  • Publication number: 20200312559
    Abstract: A multilayered capacitor includes a capacitor body including a plurality of dielectric layers and a plurality of internal electrodes; and external electrodes disposed on both end portions of the capacitor body and connected to exposed portions of the internal electrodes, respectively. Each of the external electrodes includes a conductive layer formed on the capacitor body and connected to the internal electrodes; an inner plated layer including nickel (Ni) and phosphorus (P), and covering the conductive layer; and an outer plated layer including palladium (Pd) and phosphorus (P), and covering the inner plated layer.
    Type: Application
    Filed: August 12, 2019
    Publication date: October 1, 2020
    Inventors: Mi Geum KIM, Byeong Cheol MOON, Kun Hoi KOO, Jung Min KIM
  • Patent number: 10770230
    Abstract: A multilayer ceramic capacitor includes a body including a dielectric layer and first and second internal electrodes, and external electrodes disposed on at least one surface of the body. The external electrodes each includes an electrode layer in contact with the first or second internal electrodes, an intermediate layer disposed on the electrode layer and including a first intermetallic compound, and a conductive resin layer disposed on the intermediate layer and including a plurality of metal particles, a second intermetallic compound and a base resin.
    Type: Grant
    Filed: May 7, 2018
    Date of Patent: September 8, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kun Hoi Koo, Bon Seok Koo, Jung Min Kim, Jun Hyeon Kim, Hae Sol Kang, Soung Jin Kim, Ji Hye Han, Byung Woo Kang, Chang Hak Choi
  • Publication number: 20200176189
    Abstract: A multilayer ceramic capacitor includes a body including a dielectric layer and an internal electrode and an external electrode disposed on one surface of the body. The external electrode includes an electrode layer, in contact with the internal electrode, a first intermetallic compound layer disposed on the electrode layer and made of Cu3Sn, a first intermetallic compound, a second intermetallic compound layer disposed on the first intermetallic compound layer and made of Cu6Sn5, a second intermetallic compound, and a conductive resin layer disposed on the second intermetallic compound layer and including a plurality of metal particles, a base resin and a conductive metal having a melting point lower than a curing temperature of the base resin.
    Type: Application
    Filed: April 18, 2019
    Publication date: June 4, 2020
    Inventors: Kun Hoi Koo, Soung Jin Kim, Bon Seok Koo
  • Patent number: 10658116
    Abstract: A multilayer ceramic capacitor comprises a body including dielectric layers and internal electrodes; and external electrodes disposed on external surfaces of the body, respectively, wherein each of the external electrodes includes a first electrode layer disposed on the one surface of the body and contacting the internal electrodes; a conductive resin layer disposed on the first electrode layer and including a plurality of metal particles, a conductive connecting part surrounding the plurality of metal particles, a base resin, and an intermetallic compound contacting the first electrode layer and the conductive connecting part; and a second electrode layer disposed on the conductive resin layer and contacting the conductive connecting part.
    Type: Grant
    Filed: February 1, 2019
    Date of Patent: May 19, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jung Min Kim, Bon Seok Koo, Jung Wook Seo, Yoon Hee Lee, Kun Hoi Koo
  • Patent number: 10658117
    Abstract: A multilayer ceramic capacitor comprises a body including dielectric layers and internal electrodes; and external electrodes disposed on external surfaces of the body, respectively, wherein each of the external electrodes includes a first electrode layer disposed on the one surface of the body and contacting the internal electrodes; a conductive resin layer disposed on the first electrode layer and including a plurality of metal particles, a conductive connecting part surrounding the plurality of metal particles, a base resin, and an intermetallic compound contacting the first electrode layer and the conductive connecting part; and a second electrode layer disposed on the conductive resin layer and contacting the conductive connecting part.
    Type: Grant
    Filed: February 8, 2019
    Date of Patent: May 19, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jung Min Kim, Bon Seok Koo, Jung Wook Seo, Yoon Hee Lee, Kun Hoi Koo