Patents by Inventor Jae Yeol Choi
Jae Yeol Choi 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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Patent number: 9129750Abstract: There is provided a multilayered ceramic electronic component including: a ceramic body including dielectric layers having an average thickness of 0.6 ?m or less; and first and second internal electrodes, wherein the ceramic body includes a capacitance formation part and a non-capacitance formation part provided on at least one surface of upper and lower surfaces of the capacitance formation part, and when the capacitance formation part is divided into three regions in a thickness direction of the ceramic body, in a central region among the three regions, dielectric grains have an average particle size of 150 nm or less, and the number of dielectric grains per layer is 4 or more, and in upper and lower regions, dielectric grains have an average particle size of 200 nm or less, respectively, and the number of dielectric grains per layer is 3 or more.Type: GrantFiled: January 22, 2013Date of Patent: September 8, 2015Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Wi Heon Kim, Doo Young Kim, Jae Yeol Choi
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Patent number: 9117592Abstract: There are provided a multilayer ceramic electronic component and a mounting board therefor, the multilayer ceramic electronic component including a ceramic body having a hexahedral shape, including dielectric layers, and satisfying T/W>1.0 when a length of the ceramic body is defined as L, a width of a lower surface of the ceramic body is defined as W, and a thickness of the ceramic body is defined as T, and first and second internal electrodes stacked in the ceramic body so as to face each other, having the respective dielectric layers interposed therebetween, wherein when a width of an upper surface of the ceramic body is defined as Wa, 0.800?Wa/W?0.985 is satisfied.Type: GrantFiled: July 31, 2013Date of Patent: August 25, 2015Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Wi Heon Kim, Dae Bok Oh, Jae Yeol Choi, Woo Joon Lee, Sang Huk Kim
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Publication number: 20150221440Abstract: Disclosed herein is a multilayer capacitor comprising: a laminate in which a plurality of first sheets and second sheets are alternately laminated, wherein the first sheets and the second sheets are disposed in a direction perpendicular to a mounting surface; a first inner electrode formed on the first sheets, wherein the first electrode is exposed through upper, lower, and first lateral surfaces of the laminate; a second inner electrode that is formed on the second sheets and has a horizontally symmetrical shape with respect to the first inner electrode; a sealing portion encapsulating the first and second inner electrodes exposed through two lateral surfaces of the laminate; and an external electrode that is electrically connected to the first and second inner electrodes exposed through the upper and lower surfaces of the laminate.Type: ApplicationFiled: April 10, 2015Publication date: August 6, 2015Inventors: Hae Suk CHUNG, Jae Yeol CHOI, Hyun Woo KIM, Dong Su CHO
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Patent number: 9099243Abstract: There is provided a multilayer ceramic electronic component includes a ceramic body including a dielectric layer; and an internal electrode formed in the ceramic body, wherein on a cross-section of the ceramic body in a width-thickness direction, a thickness Te of the internal electrode satisfies 0.1 ?m?Te?1.0 ?m, and when the internal electrode is divided into three regions including a central region and both edge regions in a width direction of the ceramic body and a ratio of an actual total length of the internal electrode corresponding to the sum of lengths of electrode portions to an ideal total length of the internal electrode is defined as connectivity S of the internal electrode, connectivity of the internal electrode in the edge regions satisfies 75%?S?98%, and a ratio of connectivity of the internal electrode in the edge regions to connectivity of the internal electrode in the central region is 0.9 to 0.98.Type: GrantFiled: October 23, 2013Date of Patent: August 4, 2015Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Su Hwan Cho, Jong Han Kim, Seung Ho Lee, Jae Yeol Choi
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Patent number: 9087647Abstract: A multilayer ceramic capacitor includes a ceramic body; first and second internal electrodes including first and second body parts overlapped with each other and first and second lead-out parts having an overlap region and exposed to one surface of the ceramic body; first and second external electrodes formed on one surface of the ceramic body; and an insulating layer formed on one surface of the ceramic body, wherein first and second connection surfaces extended from end portions of the first and second body parts to end portions of the first and second lead-out parts are inclined, and when half of length of the internal electrode is defined as A and length from a center of the ceramic body to a starting point of the connection surface is defined as B, B/A satisfies 0.03?B/A?0.90.Type: GrantFiled: February 11, 2013Date of Patent: July 21, 2015Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Byung Kwon Yoon, Hyung Joon Kim, Jae Yeol Choi
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Patent number: 9064639Abstract: There is provided a multilayer ceramic electronic component includes: a ceramic body including dielectric layers stacked therein and satisfying T(thickness)/W(width)>1.0; first and second internal electrodes disposed to face each other in the ceramic body, having the dielectric layer disposed therebetween, and alternately exposed through end surfaces of the ceramic body; and first and second external electrodes extended from the end surfaces of the ceramic body to upper and lower main surfaces of the ceramic body wherein, when a height of the ceramic body is defined as a, and a distance from an upper end of the first or second external electrode formed on the upper main surface of the ceramic body to a lower end of the first or second external electrode formed on the lower main surface of the ceramic body is defined as b, 0.990?a/b<1 is satisfied.Type: GrantFiled: July 26, 2013Date of Patent: June 23, 2015Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Byung Woo Han, Dae Bok Oh, Jae Yeol Choi, Sang Huk Kim
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Patent number: 9049798Abstract: There is provided a multilayered ceramic electronic component including a ceramic body having a hexahedral shape, including a dielectric layer, satisfying T/W>1.0 when a length thereof is L, a width thereof is W, and a thickness thereof is T, and having first and second main surfaces, first and second end surfaces, and first and second side surfaces, a plurality of first and second internal electrodes, and first and second external electrodes electrically connected to the first and second internal electrodes, wherein the first and second external electrodes are electrically connected to the exposed portions of the first and second internal electrodes, include first and second head parts formed on the first and second end surfaces, and first and second band parts formed on the first and second main surfaces, and are not formed on the first and second side surfaces.Type: GrantFiled: July 25, 2013Date of Patent: June 2, 2015Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Eung Soo Kim, Dae Bok Oh, Sang Huk Kim, Jae Yeol Choi
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Patent number: 9036329Abstract: Disclosed herein is a multilayer capacitor comprising: a laminate in which a plurality of first sheets and second sheets are alternately laminated, wherein the first sheets and the second sheets are disposed in a direction perpendicular to a mounting surface; a first inner electrode formed on the first sheets, wherein the first electrode is exposed through upper, lower, and first lateral surfaces of the laminate; a second inner electrode that is formed on the second sheets and has a horizontally symmetrical shape with respect to the first inner electrode; a sealing portion encapsulating the first and second inner electrodes exposed through two lateral surfaces of the laminate; and an external electrode that is electrically connected to the first and second inner electrodes exposed through the upper and lower surfaces of the laminate.Type: GrantFiled: October 4, 2012Date of Patent: May 19, 2015Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hae Suk Chung, Jae Yeol Choi, Hyun Woo Kim, Dong Su Cho
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Patent number: 9001491Abstract: A multilayer ceramic capacitor includes a ceramic body having first and second main surfaces opposing one another, first and second lateral surfaces opposing one another, and first and second end surfaces opposing one another. First and second internal electrodes have an overlap region with lead out portions exposed to the first lateral surface of the ceramic body. An insulating layer is formed to cover the overlap region of the lead out portions exposed to the first lateral surface of the ceramic body; and first and second external electrodes are formed on the first lateral surface of the ceramic body on which the insulating layer is formed and electrically connected to the first and second internal electrodes. Thicknesses of the insulating layer from the first lateral surface and the first and second external electrodes from the first lateral surface are specified.Type: GrantFiled: January 11, 2013Date of Patent: April 7, 2015Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Ki Yong Lee, Sang Hyuk Kim, Min Gon Lee, Sung Hyung Kang, Jae Yeol Choi
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Patent number: 9001493Abstract: There is provided a multilayered ceramic electronic component including: a ceramic body in which a plurality of dielectric layers are stacked; a plurality of first and second internal electrodes formed on at least one of the dielectric layers and alternately exposed through both ends of the ceramic body in a stacking direction of the ceramic body; an a step compensation cover including a ceramic material having a viscosity higher than that of a ceramic material included in the ceramic body and formed on at least one of an upper surface and a lower surface of the ceramic body.Type: GrantFiled: November 26, 2012Date of Patent: April 7, 2015Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Sung Woo Kim, Jae Yeol Choi, Yu Na Kim, Jong Ho Lee
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Patent number: 8964355Abstract: There are provided a multilayer ceramic capacitor and a manufacturing method thereof, the multilayer ceramic capacitor including: a ceramic body; first and second internal electrodes; first and second external electrodes; and a first insulating layer.Type: GrantFiled: December 14, 2012Date of Patent: February 24, 2015Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Eung Soo Kim, Jae Yeol Choi, Doo Young Kim, Jong Ho Lee, Yu Na Kim, Sung Woo Kim
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Patent number: 8964353Abstract: Multilayer ceramic electronic component includes: a ceramic body including dielectric layers and having first and second main surfaces, first and second side surfaces, and first and second end surfaces; a first internal electrode including a capacitance forming portion having an overlap region for forming capacitance and a first lead-out portion extended from the capacitance forming portion to be exposed to the first side surface; a second internal electrode alternately stacked with the first internal electrode, having the dielectric layer interposed therebetween, insulated from the first internal electrode, and having a second lead-out portion extended from the capacitance forming portion to be exposed to the first side surface; first and second external electrodes connected to the first and second lead-out portions, respectively; an insulation layer.Type: GrantFiled: December 14, 2012Date of Patent: February 24, 2015Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Wi Heon Kim, Doo Young Kim, Jae Yeol Choi, Jong Ho Lee
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Publication number: 20150041194Abstract: There is provided a multilayer ceramic electronic component including a ceramic body including a plurality of dielectric layers stacked in a thickness direction and satisfying T/W>1.0 when it is defined that a width thereof is W and a thickness thereof is T, a plurality of first and second internal electrodes disposed in the ceramic body so as to face each other, having the dielectric layer interposed therebetween, and alternately exposed through both end surfaces of the ceramic body, and first and second external electrodes including head parts formed on both end surfaces of the ceramic body and two band parts connected to the head parts and formed on portions of upper and lower main surfaces of the ceramic body so as to be spaced apart from each other in a width direction, and electrically connected to the first and second internal electrodes, respectively.Type: ApplicationFiled: October 22, 2013Publication date: February 12, 2015Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jae Hyuk SHIM, Dae Bok OH, Jae Yeol CHOI, Myung Jun PARK, Young Sook LEE
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Publication number: 20150041193Abstract: There is provided a multilayer ceramic capacitor including: a ceramic body; an active layer disposed in the ceramic body and including first internal electrodes each having a first lead part exposed to at least one of the first and second side surfaces, and second internal electrodes each having a second lead part exposed to the at least one of the first and second side surfaces, thereby forming capacitance; an upper cover layer formed on an upper portion of the active layer in the thickness direction; a lower cover layer formed on a lower portion of the active layer in the thickness direction and having a thickness greater than that of the upper cover layer; a first external; and a second external electrode.Type: ApplicationFiled: November 21, 2013Publication date: February 12, 2015Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jong Ho LEE, Doo Young KIM, Myung Jun PARK, Jae Yeol CHOI, Young Ghyu AHN, Sang Huk KIM
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Publication number: 20150022941Abstract: There is provided a multilayer ceramic electronic component includes a ceramic body including a dielectric layer; and an internal electrode formed in the ceramic body, wherein on a cross-section of the ceramic body in a width-thickness direction, a thickness Te of the internal electrode satisfies 0.1 ?m?Te?1.0 ?m, and when the internal electrode is divided into three regions including a central region and both edge regions in a width direction of the ceramic body and a ratio of an actual total length of the internal electrode corresponding to the sum of lengths of electrode portions to an ideal total length of the internal electrode is defined as connectivity S of the internal electrode, connectivity of the internal electrode in the edge regions satisfies 75%?S?98%, and a ratio of connectivity of the internal electrode in the edge regions to connectivity of the internal electrode in the central region is 0.9 to 0.98.Type: ApplicationFiled: October 23, 2013Publication date: January 22, 2015Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Su Hwan CHO, Jong Han KIM, Seung Ho LEE, Jae Yeol CHOI
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Patent number: 8934215Abstract: A laminated chip electronic component includes: a ceramic body including internal electrodes and dielectric layers; external electrodes covering end portions of the ceramic body in length direction; an active layer in which the internal electrodes are disposed in opposing manner, while having the dielectric layers interposed therebetween, to form capacitance; and upper and lower cover layers formed on upper and lower portions of the active layer in thickness direction, the lower cover layer thicker than the upper cover layer.Type: GrantFiled: December 13, 2012Date of Patent: January 13, 2015Assignee: Samsung Electro-Mechanics Co., LtdInventors: Hang Kyu Cho, Young Ghyu Ahn, Jae Yeol Choi, Doo Young Kim, Seok Hyun Yoon, Ji Young Park
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Publication number: 20140376151Abstract: There is provided a method of manufacturing a multilayer ceramic electronic component, the method including: preparing a ceramic multilayer body by stacking and sintering ceramic green sheets having internal electrodes formed thereon; determining whether or not a distance d1 from an edge of a side surface of the ceramic multilayer body to the internal electrode exceeds 8.0 ?m; and forming a reinforcing layer on the side surface when the distance d1 ranges from 0.1 ?m to 8.0 ?m.Type: ApplicationFiled: September 17, 2013Publication date: December 25, 2014Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Yu Na KIM, Jae Yeol CHOI, Jong Ho LEE, Sung Woo KIM
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Publication number: 20140376150Abstract: There is provided a multilayer ceramic electronic component including, a ceramic body including dielectric layers, internal electrodes disposed in the ceramic body to face each other with the dielectric layers interposed therebetween, and having an average thickness of 1.0 ?m or less, and external electrodes formed on outer surfaces of the ceramic body and electrically connected to the internal electrodes, wherein at least one of the internal electrodes is formed of only a conductive metal.Type: ApplicationFiled: August 29, 2013Publication date: December 25, 2014Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jong Han KIM, Jeong Ryeol KIM, Su Hwan CHO, Jae Man PARK, Jae Yeol CHOI
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Patent number: 8913367Abstract: There is provided a multilayered ceramic capacitor including: a ceramic body; a plurality of first and second internal electrodes having first and second lead-out portions overlapped with each other, respectively, and exposed to one surface of the ceramic body; first and second external electrodes formed on one surface of the ceramic body and electrically connected to the first and second lead-out portions, respectively; and an insulating layer formed on one surface of the ceramic body to cover exposed portions of the first and second lead-out portions, wherein the first lead-out portion has a first overlap increase part of which a forward edge has an inclined surface, and the second lead-out portion has a second overlap increase part of which a forward edge has an inclined surface.Type: GrantFiled: January 9, 2013Date of Patent: December 16, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Byung Kwon Yoon, Jae Yeol Choi, Sang Hyuk Kim
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Publication number: 20140360764Abstract: A multilayer ceramic capacitor includes a ceramic body including dielectric layers; first and second internal electrode groups disposed to be misaligned by a predetermined interval in the length direction, having the dielectric layers interposed therebetween; first and second external electrodes extended from at least one of the first and second side surfaces to at least one of the first and second main surfaces; and an insulating layer covering portions of the first and second external electrodes formed on the at least one of the first and second side surfaces, wherein the first internal electrode group includes first and second internal electrodes including first and second pattern parts and first and second lead parts, respectively, and the second internal electrode group includes third and fourth internal electrodes including third and fourth pattern parts and third and fourth lead parts, respectively.Type: ApplicationFiled: November 22, 2013Publication date: December 11, 2014Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Yu Na KIM, Jae Yeol CHOI, Jong Ho LEE, Sang Huk KIM, Doo Young KIM, Sung Woo KIM