Patents by Inventor Joon Hwan Kwag

Joon Hwan Kwag 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: 11152155
    Abstract: A capacitor component includes a body including a dielectric layer and an internal electrode and an external electrode disposed on the body. The external electrode includes an electrode layer connected to the internal electrode, a plating layer disposed on the electrode layer, and a sulfate-based secondary phase material disposed at a boundary between the plating layer and the electrode layer.
    Type: Grant
    Filed: June 10, 2020
    Date of Patent: October 19, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jang Yeol Lee, Joon Hwan Kwag, Jong Ho Lee, Myung Jun Park
  • Patent number: 10804034
    Abstract: A capacitor component includes a body including a dielectric layer and an internal electrode and an external electrode disposed on the body. The external electrode includes an electrode layer connected to the internal electrode, a plating layer disposed on the electrode layer, and a secondary phase material disposed at a boundary between the plating layer and the electrode layer. The secondary phase material contains sulfur (S).
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: October 13, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jang Yeol Lee, Joon Hwan Kwag, Jong Ho Lee, Myung Jun Park
  • Publication number: 20200303123
    Abstract: A capacitor component includes a body including a dielectric layer and an internal electrode and an external electrode disposed on the body. The external electrode includes an electrode layer connected to the internal electrode, a plating layer disposed on the electrode layer, and a sulfate-based secondary phase material disposed at a boundary between the plating layer and the electrode layer.
    Type: Application
    Filed: June 10, 2020
    Publication date: September 24, 2020
    Inventors: Jang Yeol LEE, Joon Hwan KWAG, Jong Ho LEE, Myung Jun PARK
  • Publication number: 20200135403
    Abstract: A capacitor component includes a body including a dielectric layer and an internal electrode and an external electrode disposed on the body. The external electrode includes an electrode layer connected to the internal electrode, a plating layer disposed on the electrode layer, and a secondary phase material disposed at a boundary between the plating layer and the electrode layer. The secondary phase material contains sulfur (S).
    Type: Application
    Filed: December 13, 2018
    Publication date: April 30, 2020
    Inventors: Jang Yeol LEE, Joon Hwan KWAG, Jong Ho LEE, Myung Jun PARK
  • Patent number: 9654079
    Abstract: A composite electronic component may include: a composite body including a capacitor formed of a ceramic body in which a plurality of dielectric layers and first and second internal electrodes are laminated, and an inductor formed of a magnetic body including a coil; an input terminal disposed on a first end surface of the composite body; output terminals including a first output terminal disposed on a second end surface of the composite body and a second output terminal disposed on the second end surface of the composite body; and a ground terminal disposed on one or more of upper and lower surfaces and the first end surface of the capacitor of the composite body. The capacitor is adjacent to the inductor.
    Type: Grant
    Filed: June 25, 2014
    Date of Patent: May 16, 2017
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Soo Hwan Son, Jin Woo Hahn, Joon Hwan Kwag, Kyoung No Lee, Myeong Gi Kim, Hwan Soo Lee
  • Patent number: 9258893
    Abstract: There is provided a multilayer ceramic electronic part including: a ceramic body including dielectric layers; an active layer including a plurality of first and second internal electrodes formed to be alternately exposed to both end surfaces of the ceramic body; upper and lower cover layers formed on upper and lower portions of the active layer; and first and second external electrodes formed on both end portions of the ceramic body, wherein the first external electrode includes a first base electrode, a first conductive layer formed on the first base electrode at a corner portion of the ceramic body, and the second external electrode includes a second base electrode, a second conductive layer formed on the second base electrode at a corner portion of the ceramic body, the first and second conductive layers being positioned outside the active layer in a thickness direction of the ceramic body.
    Type: Grant
    Filed: March 5, 2014
    Date of Patent: February 9, 2016
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Joon Hwan Kwag, Jae Sung Park, Sang Huk Kim
  • Publication number: 20150318112
    Abstract: A multilayer ceramic electronic component may include: a ceramic body having first and second side surfaces opposing each other in a width direction, third and fourth end surfaces opposing each other in a length direction, and first and second main surfaces opposing each other in a thickness direction, and having a thickness larger than a width; internal electrodes disposed in the ceramic body; first and second external electrodes disposed on the third and fourth end surfaces of the ceramic body, respectively; and a support portion disposed on at least one of the first and second main surfaces and suppressing displacement of the ceramic body at the time of being mounted on a board.
    Type: Application
    Filed: December 4, 2014
    Publication date: November 5, 2015
    Inventors: Joon Hwan KWAG, Sang Hyuk KIM
  • Patent number: 9153381
    Abstract: Disclosed herein is a chip device including: a multilayer body having a hexahedral shape; an external electrode covering both distal ends of the multilayer body; and a shape maintaining material contained in the external electrode to maintain a shape of the external electrode at the time of forming the external electrode.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: October 6, 2015
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jung Tae Park, Seung Heon Han, Young Jun Choi, Ji Hee Moon, Ki Won Kim, Joon Hwan Kwag
  • Publication number: 20150243439
    Abstract: A multilayer ceramic electronic component may include: a ceramic body including dielectric layers; an active layer configured to form capacitance by stacking internal electrodes alternately exposed to end surfaces of the ceramic body with the dielectric layers interposed therebetween; upper and lower cover layers formed on and below the active layer; and first and second external electrodes formed on end portions of the ceramic body. In a cross-section of the ceramic body in length-thickness direction, the external electrodes may include conductive layers formed at corner portions of the ceramic body, base electrodes covering the conductive layers, and terminal electrodes formed on the base electrodes, the conductive layers being positioned outside the active layer of the ceramic body.
    Type: Application
    Filed: June 17, 2014
    Publication date: August 27, 2015
    Inventor: Joon Hwan KWAG
  • Publication number: 20150162132
    Abstract: There is provided a multilayer ceramic electronic part including: a ceramic body including dielectric layers; an active layer including a plurality of first and second internal electrodes formed to be alternately exposed to both end surfaces of the ceramic body; upper and lower cover layers formed on upper and lower portions of the active layer; and first and second external electrodes formed on both end portions of the ceramic body, wherein the first external electrode includes a first base electrode, a first conductive layer formed on the first base electrode at a corner portion of the ceramic body, and the second external electrode includes a second base electrode, a second conductive layer formed on the second base electrode at a corner portion of the ceramic body, the first and second conductive layers being positioned outside the active layer in a thickness direction of the ceramic body.
    Type: Application
    Filed: March 5, 2014
    Publication date: June 11, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Joon Hwan KWAG, Jae Sung Park, Sang Huk Kim
  • Publication number: 20150109074
    Abstract: A composite electronic component may include: a composite body including a capacitor formed of a ceramic body in which a plurality of dielectric layers and first and second internal electrodes are laminated, and an inductor formed of a magnetic body including a coil; an input terminal disposed on a first end surface of the composite body; output terminals including a first output terminal disposed on a second end surface of the composite body and a second output terminal disposed on the second end surface of the composite body; and a ground terminal disposed on one or more of upper and lower surfaces and the first end surface of the capacitor of the composite body. The capacitor is adjacent to the inductor.
    Type: Application
    Filed: June 25, 2014
    Publication date: April 23, 2015
    Inventors: Soo Hwan SON, Jin Woo HAHN, Joon Hwan KWAG, Kyoung No LEE, Myeong Gi KIM, Hwan Soo LEE
  • Patent number: 8982534
    Abstract: There is provided a multilayer ceramic electronic component including: a ceramic main body including a dielectric layer and internal electrodes disposed to face each other, while having the dielectric layer interposed therebetween; and external electrodes electrically connected to the internal electrodes, wherein the external electrodes include first external electrodes formed on outer surfaces of the ceramic main body and second external electrodes formed outwardly of the first external electrodes, and protective layers including one or more of an oxide layer and a glass layer are formed between the first external electrodes and the second external electrodes.
    Type: Grant
    Filed: March 11, 2013
    Date of Patent: March 17, 2015
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Joon Hwan Kwag, Sang Huk Kim
  • Publication number: 20140138137
    Abstract: There is provided an array type multilayer ceramic electronic component, including: a ceramic element having a plurality of dielectric layers laminated therein; first and second external electrodes spaced apart from each other in a length direction on one surface and the other surface opposing the one surface of the ceramic element; and a plurality of internal electrode laminated parts including a plurality of first and second internal electrodes opposing each other within the ceramic element and connected to the first and second external electrodes, wherein a portion of the internal electrode laminated parts is different from other internal electrode laminated parts thereof in terms of the number of laminations of the first and second internal electrodes.
    Type: Application
    Filed: March 5, 2013
    Publication date: May 22, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Joon Hwan KWAG
  • Publication number: 20140098454
    Abstract: There is provided a multilayered ceramic electronic component including: a ceramic body having first and second main surfaces opposing each other and first and second end surfaces opposing each other and including dielectric layers; internal electrodes disposed to face each other and having the dielectric layer interposed therebetween; and external electrodes electrically connected to the internal electrodes, wherein the external electrodes include first external electrodes formed of nickel (Ni) on portions of the first and second main surfaces while covering the entirety of the first and second end surfaces of the ceramic body; and second external electrodes formed of copper (Cu) on outer surfaces of the first external electrodes.
    Type: Application
    Filed: March 5, 2013
    Publication date: April 10, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventor: Joon Hwan KWAG
  • Publication number: 20140085770
    Abstract: Disclosed herein is a chip device including: a multilayer body having a hexahedral shape; an external electrode covering both distal ends of the multilayer body; and a shape maintaining material contained in the external electrode to maintain a shape of the external electrode at the time of forming the external electrode.
    Type: Application
    Filed: March 14, 2013
    Publication date: March 27, 2014
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jung Tae Park, Seung Heon Han, Young Jun Choi, Ji Hee Moon, Ki Won Kim, Joon Hwan Kwag
  • Publication number: 20140029157
    Abstract: There is provided a multilayer ceramic electronic component including: a ceramic main body including a dielectric layer and internal electrodes disposed to face each other, while having the dielectric layer interposed therebetween; and external electrodes electrically connected to the internal electrodes, wherein the external electrodes include first external electrodes formed on outer surfaces of the ceramic main body and second external electrodes formed outwardly of the first external electrodes, and protective layers including one or more of an oxide layer and a glass layer are formed between the first external electrodes and the second external electrodes.
    Type: Application
    Filed: March 11, 2013
    Publication date: January 30, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Joon Hwan KWAG, Sang Huk KIM
  • Publication number: 20140022689
    Abstract: There is provided a multilayered ceramic electronic component including: a ceramic body including a dielectric layer and having first and second main surfaces, third and fourth end surfaces, and fifth and sixth side surfaces; internal electrodes disposed to face each other in the ceramic body and having the dielectric layer interposed therebetween; and external electrodes electrically connected to the internal electrodes, wherein the external electrodes include first external electrodes formed from the third or fourth end surface to the first and second main surfaces, and second external electrodes formed from the third or fourth end surfaces to the first and second main surfaces on the first external electrodes, having a length shorter than a length to which the first external electrodes are formed on the first and second main surfaces, and containing an epoxy resin.
    Type: Application
    Filed: September 14, 2012
    Publication date: January 23, 2014
    Inventors: Joon Hwan Kwag, Sang Huk Kim
  • Publication number: 20140022691
    Abstract: There is provided a multilayered ceramic electronic component including: a ceramic body in which a plurality of dielectric layers are multilayered; a plurality of first and second internal electrode layers formed on at least one surfaces of the dielectric layers and alternately exposed through both ends of the ceramic body in a length direction thereof; first and second adhesive layers formed on both ends of the ceramic body, electrically connected the exposed first and second internal electrodes and formed of a conductive paste; and first and second external electrode layers formed on surfaces of the first and second adhesive layers and formed of a glass-free conductive paste.
    Type: Application
    Filed: March 4, 2013
    Publication date: January 23, 2014
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Joon Hwan KWAG, Sang Huk KIM
  • Publication number: 20110149470
    Abstract: Provided are a multilayer ceramic capacitor and a manufacturing method thereof, which can stably secure capacitance and prevent cracking caused by the diffusion of an electrode material. The multilayer ceramic capacitor includes a capacitor body where an inner electrode including a first electrode material and a dielectric layer are alternately laminated, and an outer electrode disposed on an outer surface of the capacitor body and electrically connected to the inner electrode, the outer electrode including a second electrode material. A diffusion layer having a length exceeding 1 ?m in which the first and second electrode materials are mixed is provided at a region where the inner electrode and the outer electrode are connected to each other.
    Type: Application
    Filed: December 21, 2010
    Publication date: June 23, 2011
    Inventors: Kang Heon Hur, Hyun Tae Kim, Doo Young Kim, Eun Sang Na, Joon Hwan Kwag, Mi Young Kim, Byung Gyun Kim, Byung Jun Jeon