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: 11569034
    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: Grant
    Filed: September 1, 2021
    Date of Patent: January 31, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kyoung Jin Cha, Hyun Soo Oh, Woo Chul Shin, Hye Ji Jang
  • Patent number: 11551874
    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: Grant
    Filed: December 3, 2020
    Date of Patent: January 10, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seok Kyoon Woo, Kyoung Jin Cha, Jeong Ryeol Kim, Ji Hong Jo
  • Publication number: 20220392706
    Abstract: A multilayer electronic component according to an exemplary embodiment of the present disclosure may control connectivity of an end of an internal electrode, thereby suppressing occurrence of a short circuit between the internal electrodes, reduced capacitance or lower breakdown voltage. The internal electrode may include a plurality of conductor portions and a plurality of cut-off portions.
    Type: Application
    Filed: April 27, 2022
    Publication date: December 8, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jong Ho Lee, Seon Jae Mun, Gi Long Kim, Tae Gyeom Lee, Byung Rok Ahn, Kyoung Jin Cha
  • Publication number: 20220392703
    Abstract: There is provided a multilayer electronic component in which a short circuit between the internal electrodes, a decrease in capacitance, a decrease in breakdown voltage, and the like, may be suppressed by controlling an area fraction occupied by a region in which an intensity of brightness in a capacitance formation portion is 110% or more and 126% or less of an average value of an intensity of brightness of a cover portion.
    Type: Application
    Filed: May 16, 2022
    Publication date: December 8, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seon Jae MUN, Gi Long KIM, Tae Gyeom LEE, Byung Rok AHN, Kyoung Jin CHA, Jong Ho LEE
  • Publication number: 20220384108
    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: August 12, 2022
    Publication date: December 1, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kyoung Jin CHA, Woo Chul SHIN, Seung Heui LEE, Beom Seock OH
  • Publication number: 20220384114
    Abstract: A multilayer electronic component includes: a body including internal electrodes alternately disposed with dielectric layers in a first direction, wherein when a region in which the internal electrodes overlap each other in the first direction is a capacitance forming portion, the internal electrodes include internal electrodes that are curved at end portions thereof in the capacitance forming portion and internal electrodes that are flat in the capacitance forming portion, and in a cross-section of the body in the first and second directions, (F1+F2)/D1×100 is 35 or less, where F1 is a maximum distance from an uppermost internal electrode to an uppermost flat internal electrode in the first direction, F2 is a maximum distance from a lowermost internal electrode to a lowermost flat internal electrode in the first direction, and D1 is a size of the capacitance forming portion in the first direction at the center thereof in the second direction.
    Type: Application
    Filed: April 19, 2022
    Publication date: December 1, 2022
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seon Jae MUN, Gi Long KIM, Kyoung Jin CHA, Tae Gyeom LEE, Byung Rok AHN, Jong Ho LEE
  • Patent number: 11476052
    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: Grant
    Filed: October 1, 2020
    Date of Patent: October 18, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kyoung Jin Cha, Hyung Soon Kwon, Ji Hong Jo
  • Patent number: 11450481
    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: Grant
    Filed: February 22, 2021
    Date of Patent: September 20, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kyoung Jin Cha, Woo Chul Shin, Seung Heui Lee, Beom Seock Oh
  • Patent number: 11355286
    Abstract: A method of manufacturing a capacitor component includes preparing a laminate structure in which a plurality of ceramic sheets, each having an internal electrode pattern formed thereon, are layered, attaching an auxiliary member to an upper surface and a lower surface of the laminate structure, and disposing the laminate structure having the auxiliary member attached thereto on a lower mold on which jigs for blocking a length direction portion and a width direction portion of the laminate structure are disposed and compressing the laminate structure. The ceramic sheet has a thickness of 0.6 ?m or less, and the auxiliary member has higher elasticity than elasticity of the lower mold.
    Type: Grant
    Filed: March 11, 2019
    Date of Patent: June 7, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kyoung Jin Cha, Ji Hong Jo, Hyung Soon Kwon, Jong Hoon Kim, Jin Woo Lee
  • Patent number: 11211202
    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: Grant
    Filed: November 30, 2018
    Date of Patent: December 28, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seok Kyoon Woo, Kyoung Jin Cha, Jeong Ryeol Kim, Ji Hong Jo
  • Publication number: 20210398748
    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: September 1, 2021
    Publication date: December 23, 2021
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kyoung Jin CHA, Hyun Soo OH, Woo Chul SHIN, Hye Ji JANG
  • Patent number: 11201009
    Abstract: A method of manufacturing a multilayer ceramic electronic component includes preparing a ceramic green sheet containing a ceramic powder and forming an internal electrode pattern on the ceramic green sheet using a conductive paste containing conductive metal particles and an additive. A ceramic laminate is formed by stacking the ceramic green sheets on which the internal electrode pattern is formed. A ceramic body including dielectric layers and internal electrodes is formed by sintering the ceramic laminate. An average number of conductive metal particles in the internal electrode pattern in a thickness direction is more than 2 and 5 or less.
    Type: Grant
    Filed: October 1, 2018
    Date of Patent: December 14, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kyoung Jin Cha, Seung Heui Lee, Hyun Soo Oh, Hyung Soon Kwon, Ji Hong Jo
  • Patent number: 11158458
    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: Grant
    Filed: November 12, 2019
    Date of Patent: October 26, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kyoung Jin Cha, Hyun Soo Oh, Woo Chul Shin, Hye Ji Jang
  • Patent number: 11152153
    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 nickel (Ni) powder including a coating layer having a surface including copper (Cu) on the ceramic green sheet, forming a ceramic multilayer structure by stacking the ceramic green sheet with the internal electrode pattern formed thereon, and forming a body including a dielectric layer and an internal electrode by sintering the ceramic multilayer structure. The content of Cu is equal to or greater than 0.2 wt %, based on a total weight of the Ni powder.
    Type: Grant
    Filed: October 10, 2018
    Date of Patent: October 19, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kyoung Jin Cha, Jeong Ryeol Kim, Kyung Ryul Lee, Young Joon Oh, Hyo Min Kang, Jun Oh Kim
  • Patent number: 11101073
    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: Grant
    Filed: May 1, 2019
    Date of Patent: August 24, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Tae Young Ham, Hyoung Uk Kim, Kyoung Jin Cha, Min Young Choi, Ji Hong Jo, Seung In Baik
  • Publication number: 20210210286
    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 22, 2021
    Publication date: July 8, 2021
    Inventors: Hyung Soon KWON, Kyoung Jin CHA, Ji Hong JO
  • Patent number: 11049650
    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: Grant
    Filed: October 30, 2019
    Date of Patent: June 29, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jun Il Song, Beom Seock Oh, Woo Chul Shin, Byung Rok Ahn, Kyoung Jin Cha
  • Patent number: 11049659
    Abstract: Provided are a multilayer ceramic electronic component and a method for manufacturing the same, the multilayer ceramic electronic component including a ceramic body including a dielectric layer and an internal electrode, and an external electrode formed on an outer side of the ceramic body and electrically connected to the internal electrode, wherein the internal electrode includes a conductive metal and an additive, and the number of particles of the additive disposed per ?m2 of the internal electrode is in the range of 7 to 21, both inclusive.
    Type: Grant
    Filed: February 21, 2019
    Date of Patent: June 29, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kyoung Jin Cha, Seung Heui Lee, Beom Seock Oh, Kwang Sic Kim, Dong Hoon Kim, Jong Ho Lee, Seon Jae Mun
  • Patent number: 11037727
    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: Grant
    Filed: February 10, 2020
    Date of Patent: June 15, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kyoung Jin Cha, Woo Chul Shin, Seung Heui Lee, Beom Seock Oh
  • Publication number: 20210175012
    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 22, 2021
    Publication date: June 10, 2021
    Inventors: Kyoung Jin CHA, Woo Chul SHIN, Seung Heui LEE, Beom Seock OH