Patents by Inventor Il Jin PARK

Il Jin PARK 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: 10497505
    Abstract: A magnetic composition includes first, second, and third magnetic metal particles. The first magnetic metal particles have an average particle size of 10 ?m to 28 ?m; the second magnetic metal particles have an average particle size of 1 ?m to 4.5 ?m; and the third magnetic metal particles include insulating layers disposed on surfaces thereof and have a particle size of 300 nm or less. Therefore, eddy current loss of an inductor having a body formed of the magnetic composition may be improved, and high efficiency and inductance of the inductor may be secured.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: December 3, 2019
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Se Hyung Lee, Je Ik Moon, Jung Wook Seo, Jun Sung Lee, Woo Jin Lee, Kang Ryong Choi, Il Jin Park, Gwang Hwan Hwang
  • Patent number: 10415246
    Abstract: A multiple support wall structure according to the present invention includes: a pair of top and bottom support plates that has a plurality of rectangular projective islands separated by lattice-shaped projections protruding in the shape of a go board, and protruding upward in the opposite direction to the lattice-shaped projections; and a intermediate reinforcing plate that is disposed between the top and bottom support plates, has upward projective insertions protruding in a shape corresponding to the rectangular islands to be fitted in the rectangular islands of the top support plate, has top grooves formed laterally and longitudinally between the upward projective insertions to fit the lattice-shaped projections, has downward projective insertions formed in the same shape as but in the opposite direction to the upward projective insertions in spaces diagonally adjacent to the upward projective insertions, and has bottom grooves formed laterally and longitudinally between the downward projective insertions
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: September 17, 2019
    Inventors: Chung Gi Kim, Il Jin Park, Joo Seok Oh
  • Publication number: 20190198237
    Abstract: A coil electronic component includes a magnetic body in which internal coil parts are embedded, and a metal shielding sheet disposed on at least one of an upper portion and a lower portion of the magnetic body in a thickness direction, in which permeability of the metal shielding sheet is 100 times or higher than permeability of magnetic metal powder contained in the magnetic body.
    Type: Application
    Filed: September 20, 2018
    Publication date: June 27, 2019
    Inventors: Kang Ryong CHOI, Il Jin PARK, Jung Wook SEO, Jong Ok JEON, Won Sik CHONG, Woo Jin LEE, Jung Young CHO
  • Publication number: 20190100916
    Abstract: A multiple support wall structure according to the present invention includes: a pair of top and bottom support plates that has a plurality of rectangular projective islands separated by lattice-shaped projections protruding in the shape of a go board, and protruding upward in the opposite direction to the lattice-shaped projections; and a intermediate reinforcing plate that is disposed between the top and bottom support plates, has upward projective insertions protruding in a shape corresponding to the rectangular islands to be fitted in the rectangular islands of the top support plate, has top grooves formed laterally and longitudinally between the upward projective insertions to fit the lattice-shaped projections, has downward projective insertions formed in the same shape as but in the opposite direction to the upward projective insertions in spaces diagonally adjacent to the upward projective insertions, and has bottom grooves formed laterally and longitudinally between the downward projective insertions
    Type: Application
    Filed: December 4, 2018
    Publication date: April 4, 2019
    Inventors: Chung Gi KIM, Il Jin PARK, Joo Seok OH
  • Publication number: 20180108469
    Abstract: A coil electronic component includes a body including metal powder particles having shape anisotropy and a coil unit disposed in the body and having an axis perpendicular with respect to a thickness direction of the body. The metal powder particles having shape anisotropy are arranged such that a plane-shaped surface thereof is parallel to a direction of flow of magnetic flux.
    Type: Application
    Filed: December 6, 2017
    Publication date: April 19, 2018
    Inventors: Byeong Cheol MOON, Il Jin PARK, Se Hyung LEE
  • Publication number: 20180061550
    Abstract: A magnetic composition includes first, second, and third magnetic metal particles. The first magnetic metal particles have an average particle size of 10 ?m to 28 ?m; the second magnetic metal particles have an average particle size of 1 ?m to 4.5 ?m; and the third magnetic metal particles include insulating layers disposed on surfaces thereof and have a particle size of 300 nm or less. Therefore, eddy current loss of an inductor having a body formed of the magnetic composition may be improved, and high efficiency and inductance of the inductor may be secured.
    Type: Application
    Filed: March 28, 2017
    Publication date: March 1, 2018
    Inventors: Se Hyung LEE, Je Ik MOON, Jung Wook SEO, Jun Sung LEE, Woo Jin LEE, Kang Ryong CHOI, Il Jin PARK, Gwang Hwan HWANG
  • Publication number: 20180033533
    Abstract: An inductor includes a body having a first magnetic portion above and below a coil, and a second magnetic portion above and below the first magnetic portion. The magnetic flux density of the magnetic substance in the first magnetic portion is higher than that of the magnetic substance in the second magnetic portion.
    Type: Application
    Filed: April 28, 2017
    Publication date: February 1, 2018
    Inventors: Han Wool RYU, Jung Hyuk JUNG, Hyo Chan OH, Yoon Hee KIM, Woon Chul CHOI, Jin Ho KU, Il Jin PARK
  • Patent number: 9852842
    Abstract: A coil electronic component includes a body having a coil part disposed therein and external electrodes connected to the coil part. The body includes a plurality of magnetic particles. In one example, a particle size distribution D50 of the magnetic particles in the body is 1 ?m or less. In other examples, a particle size distribution D99 of the magnetic particles in the body is 1 ?m or less; a particle size distribution ratio D99/D50 of the magnetic particles in the body is 1.5 or less; and/or a variation coefficient of the particle size of the magnetic particles in the body is 20% or less.
    Type: Grant
    Filed: January 14, 2016
    Date of Patent: December 26, 2017
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Il Jin Park, Se Hyung Lee, Byeong Cheol Moon
  • Patent number: 9767950
    Abstract: A multilayer electronic component may include: a magnetic body in which a plurality of magnetic layers are stacked; and conductor patterns formed on the magnetic body. The magnetic body may include: metal magnetic particles; an oxide film formed on a surface of the metal magnetic particle as a first oxide obtained by oxidation of at least one component of the metal magnetic particle; and a filling portion formed in a space between the metal magnetic particles as a second oxide obtained by oxidization of at least one component of the metal magnetic particle. At least one of the first oxide and the second oxide is provided between adjacent metal magnetic particles, and an oxide film formed on a surface of a metal magnetic particle forms a neck portion with an oxide film formed on a surface of an adjacent metal magnetic particle.
    Type: Grant
    Filed: May 19, 2014
    Date of Patent: September 19, 2017
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Myeong Gi Kim, Il Jin Park, Ho Yoon Kim, Jin Woo Hahn, Min Kyoung Cheon
  • Patent number: 9614491
    Abstract: A composite electronic component includes a composite body containing a capacitor and an inductor coupled to each other, the capacitor including a ceramic body having a plurality of dielectric layers and first and second internal electrodes, and the inductor including a magnetic body including a coil part, an input terminal disposed on a first end surface of the composite body and connected to the coil part, an output terminal including first output terminals disposed on a second end surface of the composite body and connected to the coil part and a second output terminal disposed on a second side surface of the composite body and connected to the first internal electrodes, and a ground terminal disposed on a first side surface of the composite body. The capacitor and the inductor are coupled in a vertical direction, and a magnetic metal layer is provided between the inductor and the capacitor.
    Type: Grant
    Filed: June 19, 2015
    Date of Patent: April 4, 2017
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kang Ryong Choi, Il Jin Park, Sung Yong An, Jung Wook Seo, Myeong Gi Kim
  • Publication number: 20160351315
    Abstract: A coil electronic component includes a body having a coil part disposed therein and external electrodes connected to the coil part. The body includes a plurality of magnetic particles. In one example, a particle size distribution D50 of the magnetic particles in the body is 1 ?m or less. In other examples, a particle size distribution D99 of the magnetic particles in the body is 1 ?m or less; a particle size distribution ratio D99/D50 of the magnetic particles in the body is 1.5 or less; and/or a variation coefficient of the particle size of the magnetic particles in the body is 20% or less.
    Type: Application
    Filed: January 14, 2016
    Publication date: December 1, 2016
    Inventors: Il Jin PARK, Se Hyung LEE, Byeong Cheol MOON
  • Publication number: 20160307686
    Abstract: A coil electronic component includes a body including metal powder particles having shape anisotropy and a coil unit disposed in the body and having an axis perpendicular with respect to a thickness direction of the body. The metal powder particles having shape anisotropy are arranged such that a plane-shaped surface thereof is parallel to a direction of flow of magnetic flux.
    Type: Application
    Filed: January 28, 2016
    Publication date: October 20, 2016
    Inventors: Byeong Cheol MOON, Il Jin PARK, Se Hyung LEE
  • Publication number: 20160276096
    Abstract: A power inductor may include: an insulating substrate; first and second coil layers disposed on both surfaces of the insulating substrate; an inductor body having a coil part including the insulating substrate and the first and second coil layers and a cover part including upper and lower cover parts, and having end portions of the first and second coil layers exposed to both end surfaces thereof; and first and second external electrodes electrically connected to the end portions of the first and second coil layers, respectively, wherein each of the upper and lower cover parts includes a metal composite plate. Therefore, the power inductor has excellent DC-bias characteristics.
    Type: Application
    Filed: October 16, 2015
    Publication date: September 22, 2016
    Inventors: Byeong Cheol MOON, Il Jin PARK
  • Publication number: 20160125987
    Abstract: A soft magnetic metal complex includes a soft magnetic metal powder, an insulating nanopowder, and a polymer resin. Particles of the soft magnetic metal powder are coated with an insulating layer. The soft magnetic metal powder and the insulating nanopowder are contained in the polymer resin.
    Type: Application
    Filed: October 23, 2015
    Publication date: May 5, 2016
    Inventors: Byeong Cheol MOON, Se Hyung LEE, Il Jin PARK
  • Publication number: 20150371781
    Abstract: A composite electronic component includes a composite body containing a capacitor and an inductor coupled to each other, the capacitor including a ceramic body having a plurality of dielectric layers and first and second internal electrodes, and the inductor including a magnetic body including a coil part, an input terminal disposed on a first end surface of the composite body and connected to the coil part, an output terminal including first output terminals disposed on a second end surface of the composite body and connected to the coil part and a second output terminal disposed on a second side surface of the composite body and connected to the first internal electrodes, and a ground terminal disposed on a first side surface of the composite body. The capacitor and the inductor are coupled in a vertical direction, and a magnetic metal layer is provided between the inductor and the capacitor.
    Type: Application
    Filed: June 19, 2015
    Publication date: December 24, 2015
    Inventors: Kang Ryong CHOI, Il Jin PARK, Sung Yong AN, Jung Wook SEO, Myeong Gi KIM
  • Publication number: 20150102888
    Abstract: A multilayer electronic component may include: a magnetic body in which a plurality of magnetic layers are stacked; and conductor patterns formed on the magnetic body. The magnetic body may include: metal magnetic particles; an oxide film formed on a surface of the metal magnetic particle as a first oxide obtained by oxidation of at least one component of the metal magnetic particle; and a filling portion formed in a space between the metal magnetic particles as a second oxide obtained by oxidization of at least one component of the metal magnetic particle. At least one of the first oxide and the second oxide is provided between adjacent metal magnetic particles, and an oxide film formed on a surface of a metal magnetic particle forms a neck portion with an oxide film formed on a surface of an adjacent metal magnetic particle.
    Type: Application
    Filed: May 19, 2014
    Publication date: April 16, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Myeong Gi KIM, Il Jin Park, Ho Yoon Kim, Jin Woo Hahn, Min Kyoung Cheon
  • Publication number: 20150022308
    Abstract: There is provided a magnetic material including a plurality of composite magnetic particles including oxide layers formed on surfaces thereof, and a ferrite present between the plurality of composite magnetic particles.
    Type: Application
    Filed: October 21, 2013
    Publication date: January 22, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Byeong Cheol MOON, Il Jin PARK, Myeong Gi KIM, Jin Woo HAN
  • Publication number: 20140292460
    Abstract: The present invention relates to an inductor. An inductor in accordance with an embodiment of the present invention includes: a ferrite-organic body; an internal electrode laminated on the ferrite-organic body along a thickness direction of the ferrite-organic body to have a multilayer structure; a metal-organic body constituting a device body with the ferrite-organic body by covering the ferrite-organic body; and an external electrode covering the device body to be electrically connected to the internal electrode.
    Type: Application
    Filed: November 15, 2013
    Publication date: October 2, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Ho Yoon KIM, Myeong Gi KIM, Il Jin PARK, Jin Woo HAHN, Min Kyoung CHEON