Patents by Inventor Joon Hwan Kwag
Joon Hwan Kwag 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: 11152155Abstract: A capacitor component includes a body including a dielectric layer and an internal electrode and an external electrode disposed on the body. The external electrode includes an electrode layer connected to the internal electrode, a plating layer disposed on the electrode layer, and a sulfate-based secondary phase material disposed at a boundary between the plating layer and the electrode layer.Type: GrantFiled: June 10, 2020Date of Patent: October 19, 2021Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jang Yeol Lee, Joon Hwan Kwag, Jong Ho Lee, Myung Jun Park
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Patent number: 10804034Abstract: A capacitor component includes a body including a dielectric layer and an internal electrode and an external electrode disposed on the body. The external electrode includes an electrode layer connected to the internal electrode, a plating layer disposed on the electrode layer, and a secondary phase material disposed at a boundary between the plating layer and the electrode layer. The secondary phase material contains sulfur (S).Type: GrantFiled: December 13, 2018Date of Patent: October 13, 2020Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jang Yeol Lee, Joon Hwan Kwag, Jong Ho Lee, Myung Jun Park
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Publication number: 20200303123Abstract: A capacitor component includes a body including a dielectric layer and an internal electrode and an external electrode disposed on the body. The external electrode includes an electrode layer connected to the internal electrode, a plating layer disposed on the electrode layer, and a sulfate-based secondary phase material disposed at a boundary between the plating layer and the electrode layer.Type: ApplicationFiled: June 10, 2020Publication date: September 24, 2020Inventors: Jang Yeol LEE, Joon Hwan KWAG, Jong Ho LEE, Myung Jun PARK
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Publication number: 20200135403Abstract: A capacitor component includes a body including a dielectric layer and an internal electrode and an external electrode disposed on the body. The external electrode includes an electrode layer connected to the internal electrode, a plating layer disposed on the electrode layer, and a secondary phase material disposed at a boundary between the plating layer and the electrode layer. The secondary phase material contains sulfur (S).Type: ApplicationFiled: December 13, 2018Publication date: April 30, 2020Inventors: Jang Yeol LEE, Joon Hwan KWAG, Jong Ho LEE, Myung Jun PARK
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Patent number: 9654079Abstract: A composite electronic component may include: a composite body including a capacitor formed of a ceramic body in which a plurality of dielectric layers and first and second internal electrodes are laminated, and an inductor formed of a magnetic body including a coil; an input terminal disposed on a first end surface of the composite body; output terminals including a first output terminal disposed on a second end surface of the composite body and a second output terminal disposed on the second end surface of the composite body; and a ground terminal disposed on one or more of upper and lower surfaces and the first end surface of the capacitor of the composite body. The capacitor is adjacent to the inductor.Type: GrantFiled: June 25, 2014Date of Patent: May 16, 2017Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Soo Hwan Son, Jin Woo Hahn, Joon Hwan Kwag, Kyoung No Lee, Myeong Gi Kim, Hwan Soo Lee
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Patent number: 9258893Abstract: There is provided a multilayer ceramic electronic part including: a ceramic body including dielectric layers; an active layer including a plurality of first and second internal electrodes formed to be alternately exposed to both end surfaces of the ceramic body; upper and lower cover layers formed on upper and lower portions of the active layer; and first and second external electrodes formed on both end portions of the ceramic body, wherein the first external electrode includes a first base electrode, a first conductive layer formed on the first base electrode at a corner portion of the ceramic body, and the second external electrode includes a second base electrode, a second conductive layer formed on the second base electrode at a corner portion of the ceramic body, the first and second conductive layers being positioned outside the active layer in a thickness direction of the ceramic body.Type: GrantFiled: March 5, 2014Date of Patent: February 9, 2016Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Joon Hwan Kwag, Jae Sung Park, Sang Huk Kim
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Publication number: 20150318112Abstract: A multilayer ceramic electronic component may include: a ceramic body having first and second side surfaces opposing each other in a width direction, third and fourth end surfaces opposing each other in a length direction, and first and second main surfaces opposing each other in a thickness direction, and having a thickness larger than a width; internal electrodes disposed in the ceramic body; first and second external electrodes disposed on the third and fourth end surfaces of the ceramic body, respectively; and a support portion disposed on at least one of the first and second main surfaces and suppressing displacement of the ceramic body at the time of being mounted on a board.Type: ApplicationFiled: December 4, 2014Publication date: November 5, 2015Inventors: Joon Hwan KWAG, Sang Hyuk KIM
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Patent number: 9153381Abstract: Disclosed herein is a chip device including: a multilayer body having a hexahedral shape; an external electrode covering both distal ends of the multilayer body; and a shape maintaining material contained in the external electrode to maintain a shape of the external electrode at the time of forming the external electrode.Type: GrantFiled: March 14, 2013Date of Patent: October 6, 2015Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jung Tae Park, Seung Heon Han, Young Jun Choi, Ji Hee Moon, Ki Won Kim, Joon Hwan Kwag
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Publication number: 20150243439Abstract: A multilayer ceramic electronic component may include: a ceramic body including dielectric layers; an active layer configured to form capacitance by stacking internal electrodes alternately exposed to end surfaces of the ceramic body with the dielectric layers interposed therebetween; upper and lower cover layers formed on and below the active layer; and first and second external electrodes formed on end portions of the ceramic body. In a cross-section of the ceramic body in length-thickness direction, the external electrodes may include conductive layers formed at corner portions of the ceramic body, base electrodes covering the conductive layers, and terminal electrodes formed on the base electrodes, the conductive layers being positioned outside the active layer of the ceramic body.Type: ApplicationFiled: June 17, 2014Publication date: August 27, 2015Inventor: Joon Hwan KWAG
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Publication number: 20150162132Abstract: There is provided a multilayer ceramic electronic part including: a ceramic body including dielectric layers; an active layer including a plurality of first and second internal electrodes formed to be alternately exposed to both end surfaces of the ceramic body; upper and lower cover layers formed on upper and lower portions of the active layer; and first and second external electrodes formed on both end portions of the ceramic body, wherein the first external electrode includes a first base electrode, a first conductive layer formed on the first base electrode at a corner portion of the ceramic body, and the second external electrode includes a second base electrode, a second conductive layer formed on the second base electrode at a corner portion of the ceramic body, the first and second conductive layers being positioned outside the active layer in a thickness direction of the ceramic body.Type: ApplicationFiled: March 5, 2014Publication date: June 11, 2015Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Joon Hwan KWAG, Jae Sung Park, Sang Huk Kim
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Publication number: 20150109074Abstract: A composite electronic component may include: a composite body including a capacitor formed of a ceramic body in which a plurality of dielectric layers and first and second internal electrodes are laminated, and an inductor formed of a magnetic body including a coil; an input terminal disposed on a first end surface of the composite body; output terminals including a first output terminal disposed on a second end surface of the composite body and a second output terminal disposed on the second end surface of the composite body; and a ground terminal disposed on one or more of upper and lower surfaces and the first end surface of the capacitor of the composite body. The capacitor is adjacent to the inductor.Type: ApplicationFiled: June 25, 2014Publication date: April 23, 2015Inventors: Soo Hwan SON, Jin Woo HAHN, Joon Hwan KWAG, Kyoung No LEE, Myeong Gi KIM, Hwan Soo LEE
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Patent number: 8982534Abstract: There is provided a multilayer ceramic electronic component including: a ceramic main body including a dielectric layer and internal electrodes disposed to face each other, while having the dielectric layer interposed therebetween; and external electrodes electrically connected to the internal electrodes, wherein the external electrodes include first external electrodes formed on outer surfaces of the ceramic main body and second external electrodes formed outwardly of the first external electrodes, and protective layers including one or more of an oxide layer and a glass layer are formed between the first external electrodes and the second external electrodes.Type: GrantFiled: March 11, 2013Date of Patent: March 17, 2015Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Joon Hwan Kwag, Sang Huk Kim
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Publication number: 20140138137Abstract: There is provided an array type multilayer ceramic electronic component, including: a ceramic element having a plurality of dielectric layers laminated therein; first and second external electrodes spaced apart from each other in a length direction on one surface and the other surface opposing the one surface of the ceramic element; and a plurality of internal electrode laminated parts including a plurality of first and second internal electrodes opposing each other within the ceramic element and connected to the first and second external electrodes, wherein a portion of the internal electrode laminated parts is different from other internal electrode laminated parts thereof in terms of the number of laminations of the first and second internal electrodes.Type: ApplicationFiled: March 5, 2013Publication date: May 22, 2014Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventor: Joon Hwan KWAG
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Publication number: 20140098454Abstract: There is provided a multilayered ceramic electronic component including: a ceramic body having first and second main surfaces opposing each other and first and second end surfaces opposing each other and including dielectric layers; internal electrodes disposed to face each other and having the dielectric layer interposed therebetween; and external electrodes electrically connected to the internal electrodes, wherein the external electrodes include first external electrodes formed of nickel (Ni) on portions of the first and second main surfaces while covering the entirety of the first and second end surfaces of the ceramic body; and second external electrodes formed of copper (Cu) on outer surfaces of the first external electrodes.Type: ApplicationFiled: March 5, 2013Publication date: April 10, 2014Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventor: Joon Hwan KWAG
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Publication number: 20140085770Abstract: Disclosed herein is a chip device including: a multilayer body having a hexahedral shape; an external electrode covering both distal ends of the multilayer body; and a shape maintaining material contained in the external electrode to maintain a shape of the external electrode at the time of forming the external electrode.Type: ApplicationFiled: March 14, 2013Publication date: March 27, 2014Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Jung Tae Park, Seung Heon Han, Young Jun Choi, Ji Hee Moon, Ki Won Kim, Joon Hwan Kwag
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Publication number: 20140029157Abstract: There is provided a multilayer ceramic electronic component including: a ceramic main body including a dielectric layer and internal electrodes disposed to face each other, while having the dielectric layer interposed therebetween; and external electrodes electrically connected to the internal electrodes, wherein the external electrodes include first external electrodes formed on outer surfaces of the ceramic main body and second external electrodes formed outwardly of the first external electrodes, and protective layers including one or more of an oxide layer and a glass layer are formed between the first external electrodes and the second external electrodes.Type: ApplicationFiled: March 11, 2013Publication date: January 30, 2014Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Joon Hwan KWAG, Sang Huk KIM
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Publication number: 20140022689Abstract: There is provided a multilayered ceramic electronic component including: a ceramic body including a dielectric layer and having first and second main surfaces, third and fourth end surfaces, and fifth and sixth side surfaces; internal electrodes disposed to face each other in the ceramic body and having the dielectric layer interposed therebetween; and external electrodes electrically connected to the internal electrodes, wherein the external electrodes include first external electrodes formed from the third or fourth end surface to the first and second main surfaces, and second external electrodes formed from the third or fourth end surfaces to the first and second main surfaces on the first external electrodes, having a length shorter than a length to which the first external electrodes are formed on the first and second main surfaces, and containing an epoxy resin.Type: ApplicationFiled: September 14, 2012Publication date: January 23, 2014Inventors: Joon Hwan Kwag, Sang Huk Kim
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Publication number: 20140022691Abstract: There is provided a multilayered ceramic electronic component including: a ceramic body in which a plurality of dielectric layers are multilayered; a plurality of first and second internal electrode layers formed on at least one surfaces of the dielectric layers and alternately exposed through both ends of the ceramic body in a length direction thereof; first and second adhesive layers formed on both ends of the ceramic body, electrically connected the exposed first and second internal electrodes and formed of a conductive paste; and first and second external electrode layers formed on surfaces of the first and second adhesive layers and formed of a glass-free conductive paste.Type: ApplicationFiled: March 4, 2013Publication date: January 23, 2014Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Joon Hwan KWAG, Sang Huk KIM
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Publication number: 20110149470Abstract: Provided are a multilayer ceramic capacitor and a manufacturing method thereof, which can stably secure capacitance and prevent cracking caused by the diffusion of an electrode material. The multilayer ceramic capacitor includes a capacitor body where an inner electrode including a first electrode material and a dielectric layer are alternately laminated, and an outer electrode disposed on an outer surface of the capacitor body and electrically connected to the inner electrode, the outer electrode including a second electrode material. A diffusion layer having a length exceeding 1 ?m in which the first and second electrode materials are mixed is provided at a region where the inner electrode and the outer electrode are connected to each other.Type: ApplicationFiled: December 21, 2010Publication date: June 23, 2011Inventors: Kang Heon Hur, Hyun Tae Kim, Doo Young Kim, Eun Sang Na, Joon Hwan Kwag, Mi Young Kim, Byung Gyun Kim, Byung Jun Jeon