Patents by Inventor Bon Seok Koo

Bon Seok 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: 11393633
    Abstract: A multilayer capacitor includes a capacitor body including a dielectric layer and a plurality of internal electrodes, and external electrodes disposed on both ends of the capacitor body and connected to exposed portions of the plurality of internal electrodes, respectively. Each of the external electrodes includes a conductive layer disposed on the capacitor body to be connected to one or more of the plurality of internal electrodes, a conductive resin layer covering the conductive layer, and including a plurality of metal particles, a plurality of elastic fine powder particles each having an elastic powder particle and a metal film plated on a surface of the elastic powder particle, and a conductive resin surrounding the plurality of metal particles and the plurality of elastic fine powder particles and contacting the conductive layer, and a plating layer covering the conductive resin layer.
    Type: Grant
    Filed: May 15, 2020
    Date of Patent: July 19, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: San Kyeong, Chang Hak Choi, Jae Seok Yi, Bon Seok Koo, Jung Min Kim, Hae Sol Kang, Jun Hyeon Kim
  • 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
  • Patent number: 11393625
    Abstract: An electronic component includes an electronic component main body including a body and an external electrode disposed on the body. The body includes a dielectric layer and an internal electrode. The electronic component further includes a coating portion including a coating layer, disposed on an external surface of the electronic component main body, and a plurality of projections disposed on the coating layer.
    Type: Grant
    Filed: September 10, 2020
    Date of Patent: July 19, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jeong Suong Yang, Bon Seok Koo, Sang Wook Lee, Jung Min Kim, Sung Min Cho
  • Patent number: 11393630
    Abstract: A multilayer electronic component has a body and a non-conductive resin layer. The non-conductive resin layer includes a body cover portion disposed in a region of an external surface of the body in which an electrode layer of an external electrode is not disposed, and an extending portion extending from the body cover portion between the electrode layer and a conductive resin layer of the external electrode, to thereby suppress arc discharge, improve bending strength, and improve moisture resistance.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: July 19, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jae Seok Yi, Jung Min Kim, Bon Seok Koo, Chang Hak Choi, Il Ro Lee, Byung Woo Kang, San Kyeong, Hae Sol Kang
  • Publication number: 20220165500
    Abstract: A multilayer electronic component includes: a body including dielectric layers and internal electrodes disposed alternately with the dielectric layers; and external electrodes disposed on the body, wherein each of the external electrodes includes: an electrode layer connected to the internal electrodes; a first intermetallic compound layer disposed on the electrode layer and including Cu3Sn; a second intermetallic compound layer disposed on the first intermetallic compound layer and including Cu6Sn5; and a conductive resin layer disposed on the second intermetallic compound layer and including a conductive connection portion including a low melting point metal, a plurality of metal particles, and a base resin, and an average thickness of the first intermetallic compound layer is 0.5 to 2.5 ?m.
    Type: Application
    Filed: August 31, 2021
    Publication date: May 26, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Il Ro Lee, Jung Min Kim, Hong Je Choi, Sang Wook Lee, Seon Ho Park, Jeong Ryeol Kim, Bon Seok Koo
  • 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: 20220139618
    Abstract: A multilayer electronic component includes a body including first and second surfaces opposing each other in a first direction, third and fourth surfaces connected to the first and second surfaces and opposing each other in a second direction, and fifth and sixth surfaces connected to the first to fourth surfaces and opposing each other in a third direction and including a dielectric layer and internal electrodes alternately disposed with the dielectric layer interposed therebetween in the first direction, and external electrodes disposed on the third and fourth surfaces, wherein the external electrodes include an electrode layer disposed on the body and a conductive resin layer disposed on the electrode layer, and the conductive resin layer includes a conductive metal, an epoxy resin, and an acrylic resin.
    Type: Application
    Filed: May 5, 2021
    Publication date: May 5, 2022
    Inventors: Byung Woo Kang, Bon Seok Koo, Jeong Ryeol Kim, Jung Min Kim, Jae Seok Yi, Ji Hye Han, Hye Jin Park
  • Publication number: 20220108828
    Abstract: A coil component includes: a body including a magnetic material and a coil of which both ends are externally exposed; intermetallic compounds disposed on the exposed both ends of the coil; and external electrodes disposed on the body to cover the intermetallic compounds. The external electrodes include: conductive resin layers disposed on outer surfaces of the body to contact the exposed both ends of the coil and including base resins, a plurality of metal particles disposed in the base resins, and conductive connecting parts surrounding the plurality of metal particles and contacting the intermetallic compounds. The coil component further includes electrode layers disposed on the conductive resin layers and contacting the conductive connecting parts.
    Type: Application
    Filed: December 16, 2021
    Publication date: April 7, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yoon Hee LEE, Bon Seok KOO, Yeon Tae KIM, Chang Hak CHOI, Jung Min KIM
  • Publication number: 20220093337
    Abstract: A multilayer capacitor includes a capacitor body including first to six surfaces, and including a dielectric layer, first and second internal electrodes, and first and second external electrodes. The first and second external electrodes include first and second sintered layers, and first and second plating layers, respectively. An insulating layer is disposed on the capacitor body, to cover an end portion of a first band portion of the first sintered layer and an end portion of a second band portion of the second sintered layer, and has a maximum thickness of 10 ?m or more. A portion of the first band portion of the first sintered layer is exposed from the insulating layer. A portion of the second band portion of the second sintered layer is exposed from the insulating layer.
    Type: Application
    Filed: April 16, 2021
    Publication date: March 24, 2022
    Inventors: Ji Hye HAN, Jung Min KIM, Jae Seok YI, Hye Jin PARK, Byung Woo KANG, Jeong Ryeol KIM, Bon Seok KOO, Il Ro LEE
  • 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: 20220051853
    Abstract: A multilayer electronic component includes a body including a dielectric layer and an internal electrode; and an external electrode including an electrode layer disposed on the body and connected to the internal electrode and a conductive resin layer disposed on the electrode layer, and the conductive resin layer includes a metal wire, a conductive metal, and a base resin.
    Type: Application
    Filed: October 27, 2021
    Publication date: February 17, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jun Hyeon Kim, Hae Sol Kang, Bon Seok Koo, San Kyeong, Chang Hak Choi, Jung Min Kim
  • Publication number: 20220037087
    Abstract: A multilayered capacitor includes a shock absorbing layer disposed between an upper layer of a capacitor body and a conductive resin layer of an external electrode and between a lower layer of the capacitor body and the conductive resin layer of the external electrode. A length of the shock absorbing layer is longer than that of the conductive resin layer, thereby improving warpage strength characteristics of the capacitor body.
    Type: Application
    Filed: October 19, 2021
    Publication date: February 3, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jae Seok YI, Jung Min KIM, Chang Hak CHOI, Bon Seok KOO, Byung Woo KANG, Hae Sol KANG, San KYEONG, Jun Hyeon KIM
  • Patent number: 11227714
    Abstract: A coil component includes: a body including a magnetic material and a coil of which both ends are externally exposed; intermetallic compounds disposed on the exposed both ends of the coil; and external electrodes disposed on the body to cover the intermetallic compounds. The external electrodes include: conductive resin layers disposed on outer surfaces of the body to contact the exposed both ends of the coil and including base resins, a plurality of metal particles disposed in the base resins, and conductive connecting parts surrounding the plurality of metal particles and contacting the intermetallic compounds. The coil component further includes electrode layers disposed on the conductive resin layers and contacting the conductive connecting parts.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: January 18, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Yoon Hee Lee, Bon Seok Koo, Yeon Tae Kim, Chang Hak Choi, Jung Min Kim
  • Publication number: 20210375546
    Abstract: An electronic component includes an electronic component main body including a body and an external electrode disposed on the body. The body includes a dielectric layer and an internal electrode. The electronic component further includes a coating portion including a coating layer, disposed on an external surface of the electronic component main body, and a plurality of projections disposed on the coating layer.
    Type: Application
    Filed: September 10, 2020
    Publication date: December 2, 2021
    Inventors: Jeong Suong YANG, Bon Seok KOO, Sang Wook LEE, Jung Min KIM, Sung Min CHO
  • 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: 11189424
    Abstract: A multilayer electronic component includes a body including a dielectric layer and an internal electrode; and an external electrode including an electrode layer disposed on the body and connected to the internal electrode and a conductive resin layer disposed on the electrode layer, and the conductive resin layer includes a metal wire, a conductive metal, and a base resin.
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: November 30, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jun Hyeon Kim, Hae Sol Kang, Bon Seok Koo, San Kyeong, Chang Hak Choi, Jung Min Kim
  • Patent number: 11183331
    Abstract: A multilayered capacitor includes a shock absorbing layer disposed between an upper layer of a capacitor body and a conductive resin layer of an external electrode and between a lower layer of the capacitor body and the conductive resin layer of the external electrode. A length of the shock absorbing layer is longer than that of the conductive resin layer, thereby improving warpage strength characteristics of the capacitor body.
    Type: Grant
    Filed: August 12, 2019
    Date of Patent: November 23, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jae Seok Yi, Jung Min Kim, Chang Hak Choi, Bon Seok Koo, Byung Woo Kang, Hae Sol Kang, San Kyeong, Jun Hyeon Kim
  • 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
  • Patent number: 11094460
    Abstract: A capacitor component includes: a body including a dielectric layer and first and second internal electrodes alternately disposed with the dielectric layer interposed therebetween; first and second external electrodes including first and second connection portions, and first and second band portions extending onto portions of a surface from the first and second connection portions, respectively; first and second plating layers disposed on the first and second band portions, respectively; humidity resistant layers disposed between the first and second external electrodes, disposed on the first and second external electrodes, and having openings respectively exposing portions of the first and second band portions. The first and second plating layers are disposed in the openings of the humidity resistant layers, respectively, and are in contact with the first and second band portions, respectively.
    Type: Grant
    Filed: February 14, 2019
    Date of Patent: August 17, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jeong Suong Yang, Bon Seok Koo, Sung Min Cho, Woong Do Jung, Hai Joon Lee
  • Publication number: 20210193391
    Abstract: A multilayer electronic component include a first non-conductive resin layer, extending between a conductive resin layer and an electrode layer of a first external electrode, and a second non-conductive resin layer extending between a conductive resin layer and an electrode layer of a second external electrode. The first non-conductive layer and the second non-conductive layer may be spaced apart from each other to suppress arc discharge and to improve bending strength.
    Type: Application
    Filed: April 24, 2020
    Publication date: June 24, 2021
    Inventors: Jae Seok YI, Il Ro LEE, Chang Hak CHOI, Bon Seok KOO, Jung Min KIM, Byung Woo KANG, San KYEONG