Patents by Inventor Kyoung Jin CHA

Kyoung Jin CHA 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: 11031181
    Abstract: A dielectric composition includes a base material powder including barium titanate (BaTiO3), and zirconium (Zr) within a range from greater than 0.5 moles to 1.5 moles, with respect to 100 moles of the base material powder. In addition, a multilayer capacitor includes the dielectric composition.
    Type: Grant
    Filed: May 3, 2019
    Date of Patent: June 8, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kyung Sik Kim, Ji Hong Jo, Kyoung Jin Cha
  • Patent number: 11017946
    Abstract: A capacitor component includes a body including dielectric layers and first and second internal electrodes disposed to face each other while having the dielectric layer interposed therebetween; and first and second external electrodes disposed on an external surface of the body and electrically connected to the first and second internal electrodes, respectively. The body includes a capacitance forming portion including the first and second internal electrodes disposed to face each other while having the dielectric layer interposed therebetween and in which capacitance is formed, and cover portions formed on upper and lower surfaces of the capacitance forming portion, and hardness of the cover portions is 9.5 GPa or more and 14 GPa or less.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: May 25, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hyung Soon Kwon, Kyoung Jin Cha, Ji Hong Jo
  • Publication number: 20210090812
    Abstract: A method of manufacturing a multilayer ceramic electronic component includes preparing a ceramic green sheet, forming an internal electrode pattern by applying a paste for an internal electrode including a conductive powder to the ceramic green sheet, forming a ceramic laminate structure by layering the ceramic green sheet on which the internal electrode pattern is formed, forming a body including a dielectric layer and an internal electrode by sintering the ceramic laminate structure, and forming an external electrode by forming an electrode layer on the body, and forming a conductive resin layer on the electrode layer, and the conductive powder includes a conductive metal and tin (Sn), and a content of tin (Sn) is 1.5 wt % or higher, based on a weight of the conductive metal.
    Type: Application
    Filed: December 3, 2020
    Publication date: March 25, 2021
    Inventors: Seok Kyoon WOO, Kyoung Jin CHA, Jeong Ryeol KIM, Ji Hong JO
  • Publication number: 20210057164
    Abstract: A multilayer ceramic electronic component includes a body including an internal electrode alternately arranged with a dielectric layer; and an external electrode disposed on the body and connected to the internal electrode. The internal electrode includes a plurality of nickel (Ni) grains, and a composite layer including tin (Sn) and nickel (Ni) is disposed at a grain boundary of the nickel (Ni) grains.
    Type: Application
    Filed: November 6, 2020
    Publication date: February 25, 2021
    Inventors: Kyoung Jin CHA, Hyung Soon KWON, Ji Hong JO
  • Publication number: 20210035736
    Abstract: A multilayer electronic component includes a body including dielectric layers and internal electrodes alternately disposed in a first direction, and external electrodes disposed on the body to be connected to the internal electrodes. At least one internal electrode of the internal electrodes includes a plurality of disconnected portions penetrating through a respective internal electrode. A disconnected portion of the plurality of disconnected portions includes at least one of a pore or a dielectric substance disposed to connect adjacent dielectric layers to each other. A dielectric filling ratio, defined as a ratio of an overall length of the dielectric substance to an overall length of the disconnected portion on a cross section in the third and first directions, is more than 20% to 80% or less.
    Type: Application
    Filed: February 10, 2020
    Publication date: February 4, 2021
    Inventors: Kyoung Jin CHA, Woo Chul SHIN, Seung Heui LEE, Beom Seock OH
  • Publication number: 20210027943
    Abstract: A multilayer ceramic electronic component includes a ceramic body including first and second internal electrodes disposed to face each other and a dielectric layer interposed therebetween. When an average thickness of the dielectric layer is denoted as ‘td,’ an average thickness of the first and second internal electrodes is denoted as ‘te,’ and a standard deviation of thicknesses of an internal electrode, measured at a plurality of points in a predetermined region of the internal electrode, is denoted as ‘?te,’ a ratio of the standard deviation of thicknesses of the internal electrode to the average thickness of the dielectric layer, which is denoted as ‘?te/td,’ satisfies 0.12??te/td?0.21.
    Type: Application
    Filed: November 12, 2019
    Publication date: January 28, 2021
    Inventors: Kyoung Jin CHA, Hyun Soo OH, Woo Chul SHIN, Hye Ji JANG
  • Publication number: 20210020363
    Abstract: A capacitor component includes a body including a dielectric layer and an internal electrode, the internal electrode including nickel and an alloying element, and an external electrode disposed on the body to be connected to the internal electrode. The internal electrode includes an alloy region and an alloying element region.
    Type: Application
    Filed: October 30, 2019
    Publication date: January 21, 2021
    Inventors: Jun Il SONG, Beom Seock OH, Woo Chul SHIN, Byung Rok AHN, Kyoung Jin CHA
  • Publication number: 20210020381
    Abstract: A method of manufacturing a multilayer ceramic electronic component includes preparing a ceramic green sheet, forming an internal electrode pattern by coating a paste for an internal electrode including a conductive powder including one or more of tungsten (W), molybdenum (Mo), chromium (Cr), and cobalt (Co), the sum of which is 1 to 20 wt o, and including tin (Sn), on the ceramic green sheet, forming a ceramic multilayer structure by stacking ceramic green sheets on which the internal electrode pattern is formed, and forming a body including a dielectric layer and an internal electrode by sintering the ceramic multilayer structure.
    Type: Application
    Filed: October 1, 2020
    Publication date: January 21, 2021
    Inventors: Kyoung Jin CHA, Hyung Soon KWON, Ji Hong JO
  • Patent number: 10854387
    Abstract: A capacitor component includes a capacitor component includes a body including a dielectric layer and first and second internal electrodes disposed to oppose each other with the dielectric layer interposed therebetween, and first and second external electrodes disposed on the body and electrically connected to the first and second internal electrodes. The body may include a capacitance forming portion including the first and second internal electrodes, cover portions disposed on upper and lower surfaces of the capacitance forming portion, and margin portions disposed on side surfaces of the capacitance forming portion, in which the margin portions have a hardness ranging from 8.5 GPa to 14 GPa.
    Type: Grant
    Filed: March 13, 2020
    Date of Patent: December 1, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hyung Soon Kwon, Kyoung Jin Cha, Ji Hong Jo
  • Patent number: 10847319
    Abstract: A capacitor component in which in a cross section (a L-T cross section) of a body in length and thickness directions, a distance between internal electrodes in a central portion of the body is closer than a distance between the internal electrodes in ends of the internal electrodes, and in a cross section (a W-T cross section) of the body in width and thickness directions, a distance between the internal electrodes in a central portion of the body is farther than a distance between the internal electrodes in ends of the internal electrodes may be provided.
    Type: Grant
    Filed: December 2, 2019
    Date of Patent: November 24, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hyung Soon Kwon, Kyoung Jin Cha, Ji Hong Jo
  • Patent number: 10847321
    Abstract: A multilayer ceramic electronic component includes a body including an internal electrode alternately arranged with a dielectric layer; and an external electrode disposed on the body and connected to the internal electrode. The internal electrode includes a plurality of nickel (Ni) grains, and a composite layer including tin (Sn) and nickel (Ni) is disposed at a grain boundary of the nickel (Ni) grains.
    Type: Grant
    Filed: May 19, 2020
    Date of Patent: November 24, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kyoung Jin Cha, Hyung Soon Kwon, Ji Hong Jo
  • Patent number: 10840017
    Abstract: A method of manufacturing a multilayer ceramic electronic component includes preparing a ceramic green sheet, forming an internal electrode pattern by coating a paste for an internal electrode including conductive powder including tin (Sn) on the ceramic green sheet, forming a ceramic multilayer structure by stacking ceramic green sheets on which the internal electrode pattern is formed, and forming a body including a dielectric layer and an internal electrode by sintering the ceramic multilayer structure. A content of tin (Sn) based on the conductive powder is greater than or equal to about 1.5 wt %. A coating layer including tin (Sn) is formed on a surface of the conductive powder, or the conductive powder includes an alloy of tin (Sn).
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: November 17, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kyoung Jin Cha, Jeong Ryeol Kim
  • Patent number: 10818437
    Abstract: A method of manufacturing a multilayer ceramic electronic component includes preparing a ceramic green sheet, forming an internal electrode pattern by coating a paste for an internal electrode including a conductive powder including one or more of tungsten (W), molybdenum (Mo), chromium (Cr), and cobalt (Co), the sum of which is 1 to 20 wt %, and including tin (Sn), on the ceramic green sheet, forming a ceramic multilayer structure by stacking ceramic green sheets on which the internal electrode pattern is formed, and forming a body including a dielectric layer and an internal electrode by sintering the ceramic multilayer structure.
    Type: Grant
    Filed: October 11, 2018
    Date of Patent: October 27, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kyoung Jin Cha, Hyung Soon Kwon, Ji Hong Jo
  • Publication number: 20200303126
    Abstract: A multilayer ceramic electronic component includes a body including an internal electrode alternately arranged with a dielectric layer; and an external electrode disposed on the body and connected to the internal electrode. The internal electrode includes a plurality of nickel (Ni) grains, and a composite layer including tin (Sn) and nickel (Ni) is disposed at a grain boundary of the nickel (Ni) grains.
    Type: Application
    Filed: May 19, 2020
    Publication date: September 24, 2020
    Inventors: Kyoung Jin CHA, Hyung Soon KWON, Ji Hong JO
  • Patent number: 10784048
    Abstract: A capacitor component includes a body including a dielectric layer and first and second internal electrodes, alternately disposed in a first direction, and first and second external electrodes, respectively disposed on opposite end surfaces of the body in a second direction, perpendicular to the first direction in the body. An amorphous second phase is disposed at an interface between the first and second internal electrodes and the dielectric layer, and ls/le is between 0.02 and 0.07, where ls is a total length of the amorphous second phase disposed in a boundary line between the first or second internal electrode and the dielectric layer in the second direction and le is a length of the first or second internal electrode in the second direction.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: September 22, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hyung Soon Kwon, Kyoung Jin Cha, Ji Hong Jo
  • Patent number: 10770227
    Abstract: A capacitor includes a body including dielectric layers and internal electrodes; and external electrodes disposed on the body. The capacitor includes Sn, the Sn having an alpha particle emission rate equal to or less than 0.02 cph/cm2.
    Type: Grant
    Filed: July 2, 2018
    Date of Patent: September 8, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seon Jae Mun, Jae Yeol Choi, Seung Heui Lee, Jong Ho Lee, Kyoung Jin Cha
  • Publication number: 20200265996
    Abstract: A dielectric composition includes a base material powder including barium titanate (BaTiO3), and zirconium (Zr) within a range from greater than 0.5 moles to 1.5 moles, with respect to 100 moles of the base material powder. In addition, a multilayer capacitor includes the dielectric composition.
    Type: Application
    Filed: May 3, 2019
    Publication date: August 20, 2020
    Inventors: Kyung Sik KIM, Ji Hong JO, Kyoung Jin CHA
  • Publication number: 20200258685
    Abstract: A dielectric ceramic composition includes a barium titanate-based base material main ingredient and an accessory ingredient, and the accessory ingredient includes dysprosium (Dy) and gadolinium (Gd) as first accessory ingredient elements, and a content ratio of gadolinium (Gd), based on a total content of the first accessory ingredient elements, is 25% or higher.
    Type: Application
    Filed: May 1, 2019
    Publication date: August 13, 2020
    Inventors: Tae Young HAM, Hyoung Uk KIM, Kyoung Jin CHA, Min Young CHOI, Ji Hong JO, Seung In BAIK
  • Patent number: 10714262
    Abstract: A multilayer capacitor includes: a body including dielectric layers and internal electrodes alternately disposed therein; and external electrodes disposed on the body and connected to the internal electrodes, respectively. Each of the internal electrodes includes a Ni grain, ceramics distributed in the Ni grain, a first coating layer surrounding the Ni grain, and second coating layers surrounding the ceramics.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: July 14, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jeong Ryeol Kim, Hyo Sub Kim, Kyung Ryul Lee, Jun Oh Kim, Beom Seock Oh, Jong Han Kim, Kyoung Jin Cha
  • Publication number: 20200219653
    Abstract: A multilayer ceramic capacitor includes: a ceramic body including a dielectric layer, a first internal electrode and a second internal electrode arranged to face each other with the dielectric layer interposed therebetween; and a first external electrode disposed on an exterior surface of the ceramic body and a second external electrode disposed on the exterior surface of the ceramic body, wherein the ceramic body includes an active portion, forming capacity, cover portions disposed on upper and lower portions of the active portion, and margin portions disposed on a side surface of the active portion, and wherein the dielectric layer, the cover portions, and the margin portions of the active portion include magnesium (Mg) having content of more than 0 mole, and less than or equal to 1.0 mole, relative to titanium (Ti) included in the dielectric layer, the cover portions and the margin portions of the active portion.
    Type: Application
    Filed: March 19, 2020
    Publication date: July 9, 2020
    Inventors: Hyung Soon KWON, Kyoung Jin CHA, Ji Hong JO