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: 20200402716Abstract: 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: ApplicationFiled: September 2, 2020Publication date: December 24, 2020Inventors: 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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Patent number: 10796851Abstract: 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: March 5, 2019Date of Patent: October 6, 2020Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Du Won Choi, Ji Hong Jo, Seok Kyoon Woo, Hae Suk Chung
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Patent number: 10796855Abstract: 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: November 8, 2018Date of Patent: October 6, 2020Assignee: 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: 20200194177Abstract: 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: ApplicationFiled: March 26, 2019Publication date: June 18, 2020Inventors: Du Won Choi, Ji Hong Jo, Seok Kyoon Woo
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Publication number: 20200194178Abstract: 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: March 14, 2019Publication date: June 18, 2020Inventors: Du Won CHOI, Ji Hong JO, Seok Kyoon WOO
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Publication number: 20200176187Abstract: 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: March 5, 2019Publication date: June 4, 2020Inventors: Du Won CHOI, Ji Hong JO, Seok Kyoon WOO, Hae Suk CHUNG
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Publication number: 20200126727Abstract: 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: November 30, 2018Publication date: April 23, 2020Inventors: Seok Kyoon WOO, Kyoung Jin CHA, Jeong Ryeol KIM, Ji Hong JO
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Publication number: 20200118751Abstract: 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: ApplicationFiled: November 29, 2018Publication date: April 16, 2020Inventors: Du Won CHOI, Ji Hong JO, Seok Kyoon WOO
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Publication number: 20200111616Abstract: 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: November 29, 2018Publication date: April 9, 2020Inventors: Du Won CHOI, Seok Kyoon WOO, Ji Hong JO
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Publication number: 20200090865Abstract: 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: November 14, 2018Publication date: March 19, 2020Inventors: Jae Hee KIM, Seok Kyoon WOO, Won Hee YOO, Ji Hong JO
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Publication number: 20200058443Abstract: 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: ApplicationFiled: November 8, 2018Publication date: February 20, 2020Inventors: 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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Patent number: 9697953Abstract: There is provided a multilayer ceramic electronic component including: a multilayer ceramic capacitor (MLCC) including first and second external electrodes disposed to be spaced apart from one another on a mounting surface thereof; and first and second terminal electrodes including upper horizontal portions disposed on lower surfaces of the first and second external electrodes, lower horizontal portions disposed to be spaced apart from the upper horizontal portions downwardly, and curved vertical portions connecting one ends of the upper horizontal portions and one ends of the lower horizontal portions, having “?” and “?” shapes, and disposed on the mounting surface of the MLCC in a facing manner.Type: GrantFiled: March 24, 2015Date of Patent: July 4, 2017Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Heung Kil Park, Seok Kyoon Woo, Kyoung Jin Jun, So Yeon Song, Soon Ju Lee
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Patent number: 9646769Abstract: A multilayer ceramic component including a multilayer ceramic capacitor including first and second external electrodes disposed on a mounting surface of a ceramic body; and first and second terminal electrodes each including an upper horizontal part disposed on a lower surface of the respective external electrode, a lower horizontal part disposed below the upper horizontal part and spaced apart from the upper horizontal part, and a connecting part connecting the upper horizontal part and the lower horizontal part, the connecting part having a plurality of openings alternately facing opposite end surfaces of the ceramic body.Type: GrantFiled: October 7, 2015Date of Patent: May 9, 2017Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Heung Kil Park, Seok Kyoon Woo, Soon Ju Lee, So Yeon Song
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Publication number: 20160126015Abstract: A multilayer ceramic component including a multilayer ceramic capacitor including first and second external electrodes disposed on a mounting surface of a ceramic body; and first and second terminal electrodes each including an upper horizontal part disposed on a lower surface of the respective external electrode, a lower horizontal part disposed below the upper horizontal part and spaced apart from the upper horizontal part, and a connecting part connecting the upper horizontal part and the lower horizontal part, the connecting part having a plurality of openings alternately facing opposite end surfaces of the ceramic body.Type: ApplicationFiled: October 7, 2015Publication date: May 5, 2016Inventors: Heung Kil PARK, Seok Kyoon WOO, Soon Ju LEE, So Yeon SONG
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Patent number: 9330844Abstract: There is provided a multilayer ceramic capacitor including: a ceramic body having dielectric layers laminated in a width direction thereof; an active region in which capacitance is formed, by including first and second internal electrodes alternately exposed to end surfaces of the ceramic body while having the dielectric layer interposed therebetween; an upper margin part prepared above the active region; a lower margin part prepared below the active region on the dielectric layer and being thicker than the upper margin part; and first and second external electrodes, wherein, when half of thickness of the ceramic body is denoted by A, thickness of the lower margin part is denoted by B, half of thickness of the active region is denoted by C, and thickness of the upper margin part is denoted by D, 1.047?(B+C)/A?1.562 is satisfied.Type: GrantFiled: July 12, 2013Date of Patent: May 3, 2016Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Young Ghyu Ahn, Min Cheol Park, Seok Kyoon Woo, Sang Soo Park
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Publication number: 20160118190Abstract: There is provided a multilayer ceramic electronic component including: a multilayer ceramic capacitor (MLCC) including first and second external electrodes disposed to be spaced apart from one another on a mounting surface thereof; and first and second terminal electrodes including upper horizontal portions disposed on lower surfaces of the first and second external electrodes, lower horizontal portions disposed to be spaced apart from the upper horizontal portions downwardly, and curved vertical portions connecting one ends of the upper horizontal portions and one ends of the lower horizontal portions, having “?” and “?” shapes, and disposed on the mounting surface of the MLCC in a facing manner.Type: ApplicationFiled: March 24, 2015Publication date: April 28, 2016Inventors: Heung Kil PARK, Seok Kyoon WOO, Kyoung Jin JUN, So Yeon SONG, Soon Ju LEE
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Patent number: 9208950Abstract: There is provided a multilayer ceramic capacitor including: a ceramic body in which a plurality of dielectric layers are laminated; a plurality of first and second internal electrodes formed to be alternately exposed to both end surfaces of the ceramic body with the dielectric layer interposed therebetween; and first and second external electrodes covering both end surfaces of the ceramic body, wherein the ceramic body includes an active layer forming capacitance by including the plurality of first and second internal electrodes and a cover layer formed on an upper portion or a lower portion of the active layer, wherein the active layer includes a first block in which a first region I, and a second region II, and a second block in which a third region III, and a fourth region IV.Type: GrantFiled: May 21, 2013Date of Patent: December 8, 2015Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Byoung Hwa Lee, Young Ghyu Ahn, Sang Soo Park, Seok Kyoon Woo, Tae Hyeok Kim, Heung Kil Park
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Patent number: 9025307Abstract: There is provided a multilayer ceramic electronic component, including: a ceramic body including dielectric layers; and first and second inner electrodes disposed to face each other with the dielectric layer interposed therebetween within the ceramic body, the first and second inner electrodes being alternately laminated with a difference in printing widths therebetween, wherein a difference ratio between the printing widths of the first and second inner electrodes is 20 to 80%. According to embodiments of the present invention, a multilayer ceramic electronic component having excellent reliability and withstand voltage characteristics may be realized, by reducing the occurrence of cracking through a reduction in the influence of step height while securing high capacitance.Type: GrantFiled: August 2, 2012Date of Patent: May 5, 2015Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jin Hyung Lim, Seok Kyoon Woo, Chung Eun Lee, Doo Young Kim
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Publication number: 20140182910Abstract: There is provided a multilayer ceramic capacitor including: a ceramic body having dielectric layers laminated in a width direction thereof; an active region in which capacitance is formed, by including first and second internal electrodes alternately exposed to end surfaces of the ceramic body while having the dielectric layer interposed therebetween; an upper margin part prepared above the active region; a lower margin part prepared below the active region on the dielectric layer and being thicker than the upper margin part; and first and second external electrodes, wherein, when half of thickness of the ceramic body is denoted by A, thickness of the lower margin part is denoted by B, half of thickness of the active region is denoted by C, and thickness of the upper margin part is denoted by D, 1.047?(B+C)/A?1.562 is satisfied.Type: ApplicationFiled: July 12, 2013Publication date: July 3, 2014Inventors: Young Ghyu AHN, Min Cheol PARK, Seok Kyoon WOO, Sang Soo PARK
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Publication number: 20140185186Abstract: There is provided a multilayer ceramic capacitor including: a ceramic body in which a plurality of dielectric layers are laminated; a plurality of first and second internal electrodes formed to be alternately exposed to both end surfaces of the ceramic body with the dielectric layer interposed therebetween; and first and second external electrodes covering both end surfaces of the ceramic body, wherein the ceramic body includes an active layer forming capacitance by including the plurality of first and second internal electrodes and a cover layer formed on an upper portion or a lower portion of the active layer, wherein the active layer includes a first block in which a first region I, and a second region II, and a second block in which a third region III, and a fourth region IV.Type: ApplicationFiled: May 21, 2013Publication date: July 3, 2014Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Byoung Hwa LEE, Young Ghyu AHN, Sang Soo PARK, Seok Kyoon WOO, Tae Hyeok KIM, Heung Kil PARK