Patents by Inventor Joung-Gul Ryu

Joung-Gul Ryu 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: 10553346
    Abstract: A method of manufacturing a thin film inductor includes preparing a carrier film having a first surface on which a first upper separation layer is formed and a second surface on which a first lower separation layer is formed. A first upper layer, including a first upper coil pattern and a first upper insulating pattern, is formed on the first surface. A first lower layer, including a first lower coil pattern and a first lower insulating pattern, is formed on the second surface. A surface of the first upper layer is ground. A height of the first lower coil pattern is smaller than that of the first lower insulating pattern.
    Type: Grant
    Filed: June 27, 2017
    Date of Patent: February 4, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Joung Gul Ryu
  • Publication number: 20200027644
    Abstract: A chip inductor includes a body having a coil and an insulating member on which the coil is disposed, and external electrodes disposed on external surfaces of the body. The insulating layers are disposed on one surface of the insulating member in the body and another surface opposing the one surface, respectively, and are made of a material different from a material of the insulating member. The insulating member and the insulating layers constitute a multilayer structure. The coil includes a top coil and a bottom coil disposed on a top surface and a bottom surface of the multilayer structure, respectively. The top and bottom coils are connected by a via penetrating through the top and bottom surfaces of the multilayer structure.
    Type: Application
    Filed: March 11, 2019
    Publication date: January 23, 2020
    Inventors: Joung Gul Ryu, Mi Geum Kim
  • Publication number: 20200027650
    Abstract: A coil component includes a body including a coil and an external electrode disposed on an external surface of the body to be connected to the coil. The body includes a support member, disposed to support the coil, having a via hole spaced apart from a through-hole. The coil includes a coil body and a coil lead-out portion disposed to connect the coil body and the external electrode to each other. A first support layer is disposed between one surface of the support member and one surface of the coil lead-out portion, and a second support layer is disposed on the first support layer.
    Type: Application
    Filed: March 4, 2019
    Publication date: January 23, 2020
    Inventors: Joung Gul Ryu, Jae Hun Kim
  • Publication number: 20190371513
    Abstract: An inductor includes a body including a support member, a coil, and an encapsulant encapsulating the support member and the coil and external electrodes disposed on an external surface of the body and connected to the coil, wherein the support member includes a through-hole and a via hole spaced apart from the through-hole, the coil includes a first coil disposed on one surface of the support member and a second coil disposed on the other surface of the support member opposing the one surface, the first and second coils are connected to each other by a via filling the via hole, and the via continuously covers an end surface of the first coil and an upper surface of the second coil.
    Type: Application
    Filed: November 1, 2018
    Publication date: December 5, 2019
    Inventors: Mi Geum KIM, Byeong Cheol MOON, Joung Gul RYU
  • Publication number: 20190362883
    Abstract: A coil component includes a body having a first surface and a second surface opposing each other in a thickness direction of the body and including a core formed in the thickness direction; a coil part embedded in the body and including at least one turn around the core; an insulating layer disposed on the first surface of the body; a bonded conductive layer disposed on the insulating layer and having a surface roughness of the first surface which is in contact with the insulating layer greater than a surface roughness of the second surface opposing the first surface of the bonded conductive layer; and external electrodes connected to the coil part and covering the bonded conductive layer.
    Type: Application
    Filed: October 18, 2018
    Publication date: November 28, 2019
    Inventors: Byung Soo KANG, Byeong Cheol MOON, Joung Gul RYU, Ju Hwan YANG
  • Publication number: 20190333687
    Abstract: A coil component is disclosed. The coil component includes a body having one surface and the other surface opposing each other, and a plurality of wall surfaces connecting one surface and the other surface to each other; a coil part embedded in the body and having both ends exposed to both end surfaces of the plurality of wall surfaces of the body, opposing each other; an insulating layer covering one surface of the body; and first and second external electrodes disposed on both end surfaces of the body, respectively, to extend onto the insulating layer, and including a bonded conductive layer disposed on the insulating layer, and an external conductive layer disposed on the bonded conductive layer, respectively.
    Type: Application
    Filed: October 16, 2018
    Publication date: October 31, 2019
    Inventors: Ju Hwan YANG, Byeong Cheol MOON, Joung Gul RYU
  • Publication number: 20190304672
    Abstract: A coil component includes: a body having one surface and the other surface opposing each other in one direction; a coil portion including a coil pattern embedded in the body and having at least one turn in the one direction; an insulating layer surrounding the body; an external electrode connected to the coil portion, penetrating through he insulating layer, and disposed on the one surface of the body; a shielding layer disposed on the insulating layer and disposed at least on the other surface of the body opposing the one surface of the body; and a seed layer disposed between the insulating layer and the shielding layer.
    Type: Application
    Filed: September 10, 2018
    Publication date: October 3, 2019
    Inventors: Byung Soo KANG, Joung Gul RYU, Byeong Cheol MOON, Yong Hui LI
  • Publication number: 20190287711
    Abstract: A coil component includes a body including a coil, and an external electrode disposed on an external surface of the body and connected to the coil, wherein the body includes a support member supporting the coil and including a through-hole and a via hole spaced apart from the through-hole, the coil includes a coil body and a lead portion connecting the coil body and the external electrode to each other, and a support thin film layer is interposed between one surface of the support member and one surface of the lead portion facing the one surface.
    Type: Application
    Filed: October 29, 2018
    Publication date: September 19, 2019
    Inventors: Jae Hun KIM, Ji Hyung JUNG, Mi Geum KIM, Ji Man RYU, Do Young JUNG, Joung Gul RYU
  • Publication number: 20190279807
    Abstract: A coil component includes a body including a support member having a through hole and a via hole, first and second coils disposed on first and second sides of the support member opposing each other and having coil patterns, and a magnetic material sealing the support member and the coil, and an external electrode disposed on an exterior surface of the body. The first coil includes at least a portion embedded in the support member, and a second coil is connected to the first coil through a via filling an interior of the via hole. Groove portions, recessed toward a center of the support member according to a shape of the first coil, are filled with a first conductive layer as a lowermost layer of the first coil. The second side of the support member is in contact with a lower surface of the second coil.
    Type: Application
    Filed: August 31, 2018
    Publication date: September 12, 2019
    Inventor: Joung Gul RYU
  • Publication number: 20190180905
    Abstract: A coil component includes: a body including a support member, a coil, and a magnetic material; and external electrodes disposed on an external surface of the body. The coil may include first and second coils supported by one surface and the other surface of the support member, respectively, and the first and second coils may include first and second seed patterns, respectively. A thickness of the first seed pattern may be thinner than that of the second seed pattern. Warpage properties of the first support member adjacent to the first seed pattern may be greater than those of the second support member adjacent to the second seed pattern.
    Type: Application
    Filed: July 5, 2018
    Publication date: June 13, 2019
    Inventors: Joung Gul RYU, Boum Seock KIM, Kang Wook BONG, Byeong Cheol MOON
  • Publication number: 20190180914
    Abstract: A coil component includes a body and external electrodes disposed on an external surface of the body. The body includes a support member including a through hole and a via hole, a coil including embedded coil patterns embedded in the support member and conductor layer disposed on the embedded coil patterns, and a magnetic material encapsulating the support member and the coil.
    Type: Application
    Filed: May 22, 2018
    Publication date: June 13, 2019
    Inventor: Joung Gul RYU
  • Publication number: 20190013143
    Abstract: A thin film type inductor includes first, second and third exposed portions exposed to a first end surface of a body and fourth, fifth and sixth exposed portions exposed to a second end surface of the body opposing the first end surface of the body among external surfaces of the body. The first, second and third exposed portions are formed to be exposed symmetrically to the fourth, fifth and sixth exposed portions opposing the first, second and third exposed portions, respectively.
    Type: Application
    Filed: January 3, 2018
    Publication date: January 10, 2019
    Inventors: Boum Seock KIM, Kang Wook BONG, Byeong Cheol MOON, Joung Gul RYU
  • Publication number: 20190006100
    Abstract: A coil component includes a magnetic body and an external electrode disposed on an external surface of the magnetic body. The magnetic body includes a support member including a through hole, filled with a magnetic material, and a via hole, a coil disposed on at least one surface of the support member, and a magnetic material encapsulating the coil and the support member. A first conductive layer is disposed on a side surface of the via hole formed in the support member and the at least one surface of the support member. The via hole is filled with a portion of the second conductive layer disposed on the first conductive layer.
    Type: Application
    Filed: November 30, 2017
    Publication date: January 3, 2019
    Inventors: Kang Wook BONG, Byeong Cheol MOON, Boum Seock KIM, Jin Hyuk JANG, Joung Gul RYU
  • Publication number: 20180374627
    Abstract: A thin film-type inductor includes a body including a support member having a through-hole filled with a magnetic material and a via hole, a coil disposed on at least one side of the support member and including a plurality of coil patterns, and a magnetic material sealing the support member and the coil. Each of the coil patterns includes a first conductor layer, a second conductor layer, and a third conductor layer. The second conductor layer is disposed on a side surface of the via hole, and is disposed to seal a lower surface of the via hole.
    Type: Application
    Filed: November 20, 2017
    Publication date: December 27, 2018
    Inventors: Joung Gul RYU, Byeong Cheol MOON, Jin Hyuk JANG
  • Publication number: 20180350505
    Abstract: A coil component and a method of manufacturing the same are disclosed. The coil component includes: a support member, and a coil pattern disposed on at least one surface of the support member. The coil pattern includes a first coil layer and a second coil layer disposed on the first coil layer. The second coil layer includes a lower region having the same width as that of the first coil layer and an upper region having a width greater than that of the first coil layer.
    Type: Application
    Filed: November 20, 2017
    Publication date: December 6, 2018
    Inventors: Joung Gul RYU, Byeong Cheol MOON, Boum Seock KIM, Kang Wook BONG, Jin Hyuk JANG
  • Publication number: 20180197672
    Abstract: An inductor includes a body including a support member, a coil, and an encapsulant, and external electrodes on external surfaces of the body. The coil in the body may be formed so that a plurality of coil patterns are continuously formed, wherein the coil pattern includes first and second coil layers, and the encapsulant extends downward between adjacent coil patterns to be between first coil layers of adjacent coil patterns.
    Type: Application
    Filed: November 22, 2017
    Publication date: July 12, 2018
    Inventors: Boum Seock KIM, Byeong Cheol MOON, Kang Wook BONG, Young Min HUR, Joung Gul RYU
  • Publication number: 20180122554
    Abstract: A method of manufacturing a thin film inductor includes preparing a carrier film having a first surface on which a first upper separation layer is formed and a second surface on which a first lower separation layer is formed. A first upper layer, including a first upper coil pattern and a first upper insulating pattern, is formed on the first surface. A first lower layer, including a first lower coil pattern and a first lower insulating pattern, is formed on the second surface. A surface of the first upper layer is ground. A height of the first lower coil pattern is smaller than that of the first lower insulating pattern.
    Type: Application
    Filed: June 27, 2017
    Publication date: May 3, 2018
    Inventor: Joung Gul RYU
  • Patent number: 9456492
    Abstract: Disclosed herein are a printed circuit board and a method of manufacturing the same. According to an exemplary embodiment of the present invention, the printed circuit board includes: a first insulating layer in which a metal layer is embedded; a warpage prevention layer stacked on the first insulating layer; second insulating layers stacked on both surfaces of the first insulating layer; a via formed on the second insulating layer to be connected to the metal layer; and a solder resist layer stacked on the second insulating layer.
    Type: Grant
    Filed: May 29, 2014
    Date of Patent: September 27, 2016
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Joung Gul Ryu, Dong Hoon Kim
  • Publication number: 20150245484
    Abstract: Disclosed herein are a printed circuit board and a method of manufacturing the same. According to an exemplary embodiment of the present invention, the printed circuit board includes: a first insulating layer in which a metal layer is embedded; a warpage prevention layer stacked on the first insulating layer; second insulating layers stacked on both surfaces of the first insulating layer; a via formed on the second insulating layer to be connected to the metal layer; and a solder resist layer stacked on the second insulating layer.
    Type: Application
    Filed: May 29, 2014
    Publication date: August 27, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Joung Gul Ryu, Dong Hoon Kim
  • Publication number: 20150136446
    Abstract: Embodiments of the invention provide a printed circuit board having a structure in which a plurality of insulating layers having a metal wiring formed on one surface thereof are stacked, wherein a metal layer is interposed in the insulating layers, in order to improve warpage property of the board.
    Type: Application
    Filed: March 14, 2014
    Publication date: May 21, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Joung Gul RYU, Sung Taek LIM, Mi Sun HWANG