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: 11918988
    Abstract: A method for manufacturing a catalyst for oxidative dehydrogenation reaction, a catalyst for oxidative dehydrogenation reaction, and a method for manufacturing butadiene using the same.
    Type: Grant
    Filed: December 24, 2020
    Date of Patent: March 5, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Sunhwan Hwang, Jun Kyu Han, San Jin Han, Dong Hyun Ko, Kyoung Yong Cha
  • Publication number: 20230274882
    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: May 8, 2023
    Publication date: August 31, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kyoung Jin CHA, Woo Chul SHIN, Seung Heui LEE, Beom Seock OH
  • Publication number: 20230207210
    Abstract: A multilayer electronic component according to another exemplary embodiment of the present disclosure may suppress occurrence of a short circuit between the internal electrodes, lower capacitance or reduced breakdown voltage by controlling an area fraction of a region of a capacitance formation portion, in which a range of brightness intensity is 110% or more and 126% or less compared to an average value of brightness intensity of a cover portion.
    Type: Application
    Filed: May 25, 2022
    Publication date: June 29, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Tae Gyeom LEE, Gi Long KIM, Seon Jae MUN, Byung Rok AHN, Kyoung Jin CHA
  • Publication number: 20230207209
    Abstract: A multilayer electronic component includes: a body including a plurality of dielectric layers and a plurality of internal electrodes alternately disposed with the dielectric layers in a first direction, wherein when a space where the plurality of internal electrodes overlap each other in the first direction is defined as a capacitance forming portion, the plurality of 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.
    Type: Application
    Filed: May 20, 2022
    Publication date: June 29, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Tae Gyeom Lee, Gi Long Kim, Seon Jae Mun, Byung Rok Ahn, Kyoung Jin Cha
  • Publication number: 20230207192
    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.
    Type: Application
    Filed: May 24, 2022
    Publication date: June 29, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Tae Gyeom LEE, Gi Long KIM, Seon Jae MUN, Byung Rok AHN, Kyoung Jin CHA
  • Publication number: 20230197349
    Abstract: A multilayer electronic component includes: a body including dielectric layers and a plurality of internal electrodes stacked on each other in a first direction, while having the dielectric layer interposed therebetween; margin portions disposed on opposite surfaces of the body in a second direction perpendicular to the first direction; and external electrodes disposed on opposite surfaces of the body in a third direction perpendicular to the first and second directions, and respectively connected to the internal electrodes, wherein the margin portion includes a protection region, in which a plurality of metal particles are disposed, in at least one of upper and lower portions thereof in the first direction.
    Type: Application
    Filed: April 29, 2022
    Publication date: June 22, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Min Seop KIM, Kyoung Jin CHA
  • Patent number: 11682521
    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: August 12, 2022
    Date of Patent: June 20, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kyoung Jin Cha, Woo Chul Shin, Seung Heui Lee, Beom Seock Oh
  • Patent number: 11682525
    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: Grant
    Filed: March 22, 2021
    Date of Patent: June 20, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hyung Soon Kwon, Kyoung Jin Cha, Ji Hong Jo
  • Publication number: 20230170141
    Abstract: A method of manufacturing a multilayer capacitor includes preparing a guide frame, forming at least one dielectric layer between at least two surfaces of the guide frame such that at least a portion of each side surface of the at least one dielectric layer is in contact with the at least two surfaces, forming at least one internal electrode on an upper surface of the at least one dielectric layer between at least two surfaces of the guide frame using an inkjet printing method, and separating at least two surfaces of the guide frame from the at least one dielectric layer.
    Type: Application
    Filed: October 4, 2022
    Publication date: June 1, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Min Seop KIM, Ji Hong JO, Kyoung Jin CHA
  • Patent number: 11605505
    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: November 6, 2020
    Date of Patent: March 14, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kyoung Jin Cha, Hyung Soon Kwon, Ji Hong Jo
  • 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: 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
  • 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
  • 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