Patents by Inventor Seok Kyoon Woo
Seok Kyoon Woo 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).
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Publication number: 20240038446Abstract: A multilayer ceramic electronic component includes: a ceramic body including dielectric layers and a plurality of first and second internal electrodes disposed on the dielectric layers to face each other with each of the dielectric layers interposed therebetween; and first and second external electrodes disposed on external surfaces of the ceramic body and electrically connected to the first and second internal electrodes, wherein the dielectric layer includes a dielectric ceramic composition including a base material main component represented by z(Ba(1-x)Ca.)TiO3-(1-z)BaTi205 including a first main component represented by (Ba(1-x)Ca.)TiO3 and a second main component represented by BaTi2O5, 0.7z0.8 and 0?x<0.1.Type: ApplicationFiled: September 1, 2023Publication date: February 1, 2024Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Du Won CHOI, Ji Hong JO, Seok Kyoon WOO
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Publication number: 20240038447Abstract: A multi-layered ceramic electronic component includes a ceramic body including a dielectric layer, and a plurality of first and second internal electrodes opposing each other with the dielectric layer interposed therebetween; and first and second external electrodes arranged outside of the ceramic body and electrically connected to the first and second internal electrodes, wherein the dielectric layer comprises a dielectric ceramic composition containing: a base material represented by (Ba1-xCax)TiO3 (0<x?0.09) as a main component, Y as a first accessory component, Mg as a second accessory component, Ba or Zr, or a mixture thereof, as a third accessory component, Mn, Ni, W, V, or Fe, or mixtures thereof, as a fourth accessory component, and Si as a fifth accessory component.Type: ApplicationFiled: October 6, 2023Publication date: February 1, 2024Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Du Won CHOI, Ji Hong JO, Seok Kyoon WOO
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Patent number: 11817264Abstract: A multi-layered ceramic electronic component includes a ceramic body including a dielectric layer, and a plurality of first and second internal electrodes opposing each other with the dielectric layer interposed therebetween; and first and second external electrodes arranged outside of the ceramic body and electrically connected to the first and second internal electrodes, wherein the dielectric layer comprises a dielectric ceramic composition containing: a base material represented by (Ba1-xCax)TiO3 (0<x?0.09) as a main component, Y as a first accessory component, Mg as a second accessory component, Ba or Zr, or a mixture thereof, as a third accessory component, Mn, Ni, W, V, or Fe, or mixtures thereof, as a fourth accessory component, and Si as a fifth accessory component.Type: GrantFiled: January 27, 2021Date of Patent: November 14, 2023Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Du Won Choi, Ji Hong Jo, Seok Kyoon Woo
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Patent number: 11784001Abstract: A multilayer ceramic electronic component includes: a ceramic body including dielectric layers and a plurality of first and second internal electrodes disposed on the dielectric layers to face each other with each of the dielectric layers interposed therebetween; and first and second external electrodes disposed on external surfaces of the ceramic body and electrically connected to the first and second internal electrodes, wherein the dielectric layer includes a dielectric ceramic composition including a base material main component represented by z(Ba(1-x)CaxTiO3-(1-z)BaTi2O5 including a first main component represented by (Ba(1-x)Cax)TiO3 and a second main component represented by BaTi2O5, 0.7?z?0.8 and 0?x<0.1.Type: GrantFiled: December 10, 2020Date of Patent: October 10, 2023Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Du Won Choi, Ji Hong Jo, Seok Kyoon Woo
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Patent number: 11594371Abstract: A conductive powder for an internal electrode includes a metal particle and a graphene oxide disposed on at least a portion of a surface of the metal particle. A content of the graphene oxide is less than 1.0 weight percent, based on a weight of the metal particle.Type: GrantFiled: February 11, 2021Date of Patent: February 28, 2023Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jae Hee Kim, Seok Kyoon Woo, Won Hee Yoo, Ji Hong Jo
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Patent number: 11551874Abstract: 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: GrantFiled: December 3, 2020Date of Patent: January 10, 2023Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Seok Kyoon Woo, Kyoung Jin Cha, Jeong Ryeol Kim, Ji Hong Jo
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Patent number: 11469044Abstract: A capacitor component includes a body including a plurality of dielectric layers and first and second internal electrodes, alternately disposed to face each other with respective dielectric layers interposed therebetween, and first and second external electrodes disposed on external surfaces of the body and connected to the first and second internal electrodes, respectively. The body includes a capacitance forming portion, in which capacitance is formed by including the first and second internal electrodes, cover portions disposed above and below the capacitance forming portion, respectively, and margin portions disposed on both side surfaces of the capacitance forming portion, respectively. At least one selected from the cover portions and the margin portions includes a plurality of graphene platelets.Type: GrantFiled: September 9, 2020Date of Patent: October 11, 2022Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Du Won Choi, Ji Hong Jo, Seok Kyoon Woo, Hae Suk Chung
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Patent number: 11211202Abstract: 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: GrantFiled: November 30, 2018Date of Patent: December 28, 2021Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Seok Kyoon Woo, Kyoung Jin Cha, Jeong Ryeol Kim, Ji Hong Jo
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Patent number: 11164700Abstract: A multilayer capacitor includes a body, including a stacked structure formed of a plurality of dielectric layers and a plurality of internal electrodes, and a plurality of external electrodes. Each external electrode includes a conductive layer, disposed at the end of the body and connected to the plurality of internal electrodes, and a plating layer covering the conductive layer. Each conductive layer includes nickel (Ni) and barium titanate (BT), and an area occupied by nickel with respect to the total area of the respective conductive layer is 30% to 65%.Type: GrantFiled: September 2, 2020Date of Patent: November 2, 2021Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sung Hyung Kang, Yong Koo Kim, Hyung Kyu Kim, Won Hee Yoo, Jong Hyun Cho, Byung Kil Yun, Seok Kyoon Woo, Hyun Sung Dong
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Publication number: 20210327650Abstract: A method of manufacturing a multilayer ceramic electronic component includes: preparing a dielectric magnetic composition including base material powder particles including BaTi2O5 or (Ba(1-x)Cax)Ti2O5 (0?x?0.1), the base material powder particles having surfaces coated with one or more of Mg, Mn, V, Ba, Si, Al and a rare earth metal; preparing ceramic green sheets using dielectric slurry including the dielectric magnetic composition; applying an internal electrode paste to the ceramic green sheets; preparing a green sheet laminate by stacking the ceramic green sheets to which the internal electrode paste is applied; and preparing a ceramic body including dielectric layers and a plurality of first and second internal electrodes arranged to face each other with each of the dielectric layers interposed therebetween by sintering the green sheet laminate.Type: ApplicationFiled: June 30, 2021Publication date: October 21, 2021Inventors: Du Won CHOI, Seok Kyoon WOO, Ji Hong JO
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Patent number: 11075035Abstract: A multilayer capacitor includes: a capacitor body including dielectric layers and first and second internal electrodes, and having first to six external surfaces, wherein the first internal electrode is exposed through the third, fifth, and sixth external surfaces, and the second internal electrode is exposed through the fourth, fifth, and sixth external surfaces; first and second side portions; and first and second external electrodes including first and second sintered electrodes, and first and second conductive resin electrodes, respectively, wherein ?L/T<3.5% is satisfied, where L is a thickness of the first or second side portion, taken at a level at which the first or second internal electrode is disposed, ?L is a difference between a maximum L value and a minimum L value, and T is a length of the first or second side portion in a direction perpendicular to the first and second internal electrodes.Type: GrantFiled: March 26, 2019Date of Patent: July 27, 2021Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Du Won Choi, Ji Hong Jo, Seok Kyoon Woo
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Patent number: 11062849Abstract: A method of manufacturing a multilayer ceramic electronic component includes: preparing a dielectric magnetic composition including base material powder particles including BaTi2O5 or (Ba(1-x)Cax)Ti2O5 (0?x<0.1), the base material powder particles having surfaces coated with one or more of Mg, Mn, V, Ba, Si, Al and a rare earth metal; preparing ceramic green sheets using dielectric slurry including the dielectric magnetic composition; applying an internal electrode paste to the ceramic green sheets; preparing a green sheet laminate by stacking the ceramic green sheets to which the internal electrode paste is applied; and preparing a ceramic body including dielectric layers and a plurality of first and second internal electrodes arranged to face each other with each of the dielectric layers interposed therebetween by sintering the green sheet laminate.Type: GrantFiled: November 29, 2018Date of Patent: July 13, 2021Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Du Won Choi, Seok Kyoon Woo, Ji Hong Jo
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Publication number: 20210166877Abstract: A conductive powder for an internal electrode includes a metal particle and a graphene oxide disposed on at least a portion of a surface of the metal particle. A content of the graphene oxide is less than 1.0 weight percent, based on a weight of the metal particle.Type: ApplicationFiled: February 11, 2021Publication date: June 3, 2021Inventors: Jae Hee KIM, Seok Kyoon WOO, Won Hee YOO, Ji Hong JO
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Publication number: 20210151253Abstract: A multi-layered ceramic electronic component includes a ceramic body including a dielectric layer, and a plurality of first and second internal electrodes opposing each other with the dielectric layer interposed therebetween; and first and second external electrodes arranged outside of the ceramic body and electrically connected to the first and second internal electrodes, wherein the dielectric layer comprises a dielectric ceramic composition containing: a base material represented by (Ba1-xCax)TiO3 (0<x?0.09) as a main component, Y as a first accessory component, Mg as a second accessory component, Ba or Zr, or a mixture thereof, as a third accessory component, Mn, Ni, W, V, or Fe, or mixtures thereof, as a fourth accessory component, and Si as a fifth accessory component.Type: ApplicationFiled: January 27, 2021Publication date: May 20, 2021Inventors: Du Won CHOI, Ji Hong JO, Seok Kyoon WOO
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Publication number: 20210090802Abstract: A multilayer ceramic electronic component includes: a ceramic body including dielectric layers and a plurality of first and second internal electrodes disposed on the dielectric layers to face each other with each of the dielectric layers interposed therebetween; and first and second external electrodes disposed on external surfaces of the ceramic body and electrically connected to the first and second internal electrodes, wherein the dielectric layer includes a dielectric ceramic composition including a base material main component represented by z(Ba(1-x)Ca.)TiO3-(1-z)BaTi205 including a first main component represented by (Ba(1-x)Ca.)TiO3 and a second main component represented by BaTi2O5, 0.7z0.8 and 0?x<0.1.Type: ApplicationFiled: December 10, 2020Publication date: March 25, 2021Inventors: Du Won CHOI, Ji Hong JO, Seok Kyoon WOO
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Publication number: 20210090812Abstract: 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: ApplicationFiled: December 3, 2020Publication date: March 25, 2021Inventors: Seok Kyoon WOO, Kyoung Jin CHA, Jeong Ryeol KIM, Ji Hong JO
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Patent number: 10937592Abstract: A conductive powder for an internal electrode includes a metal particle and a graphene oxide disposed on at least a portion of a surface of the metal particle. A content of the graphene oxide is less than 1.0 weight percent, based on a weight of the metal particle.Type: GrantFiled: November 14, 2018Date of Patent: March 2, 2021Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jae Hee Kim, Seok Kyoon Woo, Won Hee Yoo, Ji Hong Jo
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Patent number: 10930434Abstract: A multi-layered ceramic electronic component includes a ceramic body including a dielectric layer, and a plurality of first and second internal electrodes opposing each other with the dielectric layer interposed therebetween; and first and second external electrodes arranged outside of the ceramic body and electrically connected to the first and second internal electrodes, wherein the dielectric layer comprises a dielectric ceramic composition containing: a base material represented by (Ba1-xCax)TiO3 (0<x?0.09) as a main component, Y as a first accessory component, Mg as a second accessory component, Ba or Zr, or a mixture thereof, as a third accessory component, Mn, Ni, W, V, or Fe, or mixtures thereof, as a fourth accessory component, and Si as a fifth accessory component.Type: GrantFiled: March 14, 2019Date of Patent: February 23, 2021Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Du Won Choi, Ji Hong Jo, Seok Kyoon Woo
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Patent number: 10892096Abstract: A multilayer ceramic electronic component includes: a ceramic body including dielectric layers and a plurality of first and second internal electrodes disposed on the dielectric layers to face each other with each of the dielectric layers interposed therebetween; and first and second external electrodes disposed on external surfaces of the ceramic body and electrically connected to the first and second internal electrodes, wherein the dielectric layer includes a dielectric ceramic composition including a base material main component represented by z(Ba(1-x)Cax)TiO3-(1-z)BaTi2O5 including a first main component represented by (Ba(1-x)Cax)TiO3 and a second main component represented by BaTi2O5, 0.7?z?0.8 and 0?x<0.1.Type: GrantFiled: November 29, 2018Date of Patent: January 12, 2021Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Du Won Choi, Ji Hong Jo, Seok Kyoon Woo
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Publication number: 20200411238Abstract: A capacitor component includes a body including a plurality of dielectric layers and first and second internal electrodes, alternately disposed to face each other with respective dielectric layers interposed therebetween, and first and second external electrodes disposed on external surfaces of the body and connected to the first and second internal electrodes, respectively. The body includes a capacitance forming portion, in which capacitance is formed by including the first and second internal electrodes, cover portions disposed above and below the capacitance forming portion, respectively, and margin portions disposed on both side surfaces of the capacitance forming portion, respectively. At least one selected from the cover portions and the margin portions includes a plurality of graphene platelets.Type: ApplicationFiled: September 9, 2020Publication date: December 31, 2020Inventors: Du Won CHOI, Ji Hong JO, Seok Kyoon WOO, Hae Suk CHUNG