Patents by Inventor Hae Sock CHUNG
Hae Sock CHUNG 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: 9455085Abstract: Disclosed herein is a multilayer ceramic device. The multilayer ceramic device according to an exemplary embodiment of the present invention includes: a device body having sides which are spaced apart from each other and a circumferential surface which connects the sides; an internal electrode disposed in a longitudinal direction of the device body within the device body; an external electrode having a front part which covers the sides and a band part which extends from the front part to cover a portion of the circumferential surface; and a crack guide pattern disposed within the device body and guiding a progress direction of cracks occurring at the circumferential surface to the sides, wherein the crack guide pattern includes: a metal pattern; and an oxide layer formed on a surface of the metal pattern.Type: GrantFiled: February 7, 2014Date of Patent: September 27, 2016Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTDInventors: Hae Sock Chung, Doo Young Kim, Na Rim Ha, Chang Hoon Kim, Sang Hyun Park
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Patent number: 9449759Abstract: A multilayer ceramic capacitor may include: a ceramic body including dielectric layers; first and second internal electrodes disposed in the ceramic body; and first and second external electrodes formed to end surfaces of the ceramic body. The ceramic body may includes an active layer, a capacitance formation portion, and a cover layer, a non-capacitance formation portion, the cover layer includes a plurality of dummy electrode layers. When the number of the first and second internal electrodes is defined as AL, a thickness of each of the first and second internal electrodes is defined as AT, a thickness of each of the dummy electrode layers is defined as DT, and the number of the dummy electrode layers is defined as DL, DL is equal to {(T×x)?(AL×AT)}/DT, x being 9.0% or more.Type: GrantFiled: April 17, 2014Date of Patent: September 20, 2016Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Kyung Pyo Hong, Doo Young Kim, Chang Hoon Kim, Sang Hyun Park, Hae Sock Chung
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Patent number: 9378891Abstract: Disclosed herein is a multilayer ceramic device including a device body having lateral surfaces and circumferential surfaces connecting the lateral surfaces, an internal electrode disposed in a length direction of the device body within the device body, an external electrode having a front portion covering the lateral surface and a band portion extending from the front portion to cover a portion of the circumferential surface, and a reinforcement pattern extending from the lateral surface toward the interior of the device body and having a length longer than a width of the band portion.Type: GrantFiled: December 12, 2013Date of Patent: June 28, 2016Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Tae Jin Jang, Jin Hyung Lim, Hae Sock Chung, Doo Young Kim, Sang Hyun Park, Won Seh Lee
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Patent number: 9368251Abstract: A multilayer ceramic capacitor includes a ceramic body including dielectric layers and internal electrodes, electrode layers connected to the internal electrodes, and a conductive resin layer formed on the electrode layer and containing conductive particles, fullerenes, and a base resin.Type: GrantFiled: March 4, 2014Date of Patent: June 14, 2016Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Kyung Pyo Hong, Doo Young Kim, Chang Hoon Kim, Sang Hyun Park, Hae Sock Chung
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Patent number: 9349537Abstract: Disclosed herein is a multilayer ceramic device including: a device body having side surfaces spaced apart from each other and circumferential surfaces connecting the side surfaces to each other; internal electrodes disposed in a length direction of the device body in the device body; external electrodes having a front surface portion covering the side surfaces and a band portion extended from the front surface portion and covering portions of the circumferential surfaces; and crack guide patterns disposed in the device body and guiding a progress direction of a crack generated from the circumferential surfaces so that the crack is directed toward the side surface, wherein the crack guide pattern includes: a first metal pattern; and a second metal pattern disposed to be closer to the circumferential surface as compared with the first metal pattern and having gaps.Type: GrantFiled: February 7, 2014Date of Patent: May 24, 2016Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hae Sock Chung, Doo Young Kim, Na Rim Ha, Chang Hoon Kim, Sang Hyun Park
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Patent number: 9336952Abstract: There is provided a multilayer ceramic capacitor including a ceramic body including a plurality of dielectric layers, a plurality of first and second internal electrodes disposed in the ceramic body to be alternately exposed to first and second end surfaces of the ceramic body, having the dielectric layer therebetween, first and second electrode layers electrically connected to the first and second internal electrodes, respectively, a conductive resin layer formed on the first and second electrode layers and in regions of the ceramic body adjacent to the first and second electrode layers, and a coating layer formed between a portion of an outer surface of the ceramic body on which the conductive resin layer is to be formed and the conductive resin layer.Type: GrantFiled: March 13, 2014Date of Patent: May 10, 2016Assignee: SAMSUNG ELECTRO-MECANICS CO., LTD.Inventors: Hae Sock Chung, Doo Young Kim, Na Rim Ha, Chang Hoon Kim, Kyung Pyo Hong, Sang Hyun Park
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Publication number: 20160111210Abstract: Disclosed herein is a multilayer ceramic device. The multilayer ceramic device according to an exemplary embodiment of the present invention includes: a device body having sides which are spaced apart from each other and a circumferential surface which connects the sides; an internal electrode disposed in a longitudinal direction of the device body within the device body; an external electrode having a front part which covers the sides and a band part which extends from the front part to cover a portion of the circumferential surface; and a crack guide pattern disposed within the device body and guiding a progress direction of cracks occurring at the circumferential surface to the sides, wherein the crack guide pattern includes: a metal pattern; and an oxide layer formed on a surface of the metal pattern.Type: ApplicationFiled: December 28, 2015Publication date: April 21, 2016Inventors: Hae Sock CHUNG, Doo Young KIM, Na Rim HA, Chang Hoon KIM, Sang Hyun PARK
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Patent number: 9318264Abstract: Disclosed herein is a multilayer ceramic device, including a device body; an inner electrode arranged in the device body; and an external electrode arranged at outside of the device body and being electrically connected to the inner electrode; wherein the external electrode includes: an inner layer covering the device body; an outer layer covering the inner layer and being exposed to the outside; and an intermediate layer arranged between the inner layer and the outer layer, and made of a mixture of a copper metal and a resin, a surface of the copper metal being coated with an oxide film.Type: GrantFiled: February 25, 2014Date of Patent: April 19, 2016Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hae Sock Chung, Doo Young Kim, Ki Won Kim, Tae Jin Jang, Hyun Hee Gu, Ji Hee Moon, Jin Hyung Lim, Youn Sik Jin, Byung Jun Jeon
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Patent number: 9287044Abstract: There are provided an electronic component and a fabrication method thereof. The electronic component includes: a ceramic main body including end surfaces in a length direction, side surfaces in a width direction and top and bottom surfaces in a thickness direction; first and second external electrodes formed on the end surfaces, respectively; third and fourth external electrodes formed on the side surfaces, respectively; first internal electrodes formed within the ceramic main body and connected to first and second external electrodes; and second internal electrodes alternately arranged with the first internal electrodes, while having a ceramic layer interposed therebetween, and connected to the third and fourth external electrodes, wherein thickness t1 and t2 of the first and second internal electrodes is 0.9 ?m or less, while a roughness R1 of the first internal electrode is lower than a roughness R2 of the second internal electrode.Type: GrantFiled: January 9, 2013Date of Patent: March 15, 2016Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hae Sock Chung, Byoung Hwa Lee, Eun Hyuk Chae, Min Cheol Park
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Publication number: 20160042864Abstract: Disclosed herein is a multilayer ceramic capacitor including: a ceramic body in which internal electrodes and dielectric layers are alternately stacked; a pair of external electrodes covering both end portions of the ceramic body; and a moisture resistant protective film formed on surfaces of the dielectric layers between the pair of external electrodes and having a hydrophobic functional group.Type: ApplicationFiled: August 4, 2015Publication date: February 11, 2016Inventors: Kyung Pyo HONG, Young Bae KIL, Sang Hyun PARK, Hae Sock CHUNG
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Patent number: 9196421Abstract: There is provided a multilayer ceramic electronic component, including: a ceramic body formed by laminating dielectric layers having an average thickness of 0.7 ?m or less; external electrodes formed on external surfaces of the ceramic body; and internal electrodes respectively disposed on the dielectric layer so as to have a gap formed therebetween, wherein, when a narrowest gap between the internal electrode edges adjacent to one another is denoted by Gmin, 10 ?m?Gmin?60 ?m is satisfied.Type: GrantFiled: October 2, 2014Date of Patent: November 24, 2015Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hae Sock Chung, Byoung Hwa Lee, Min Cheol Park, Eun Hyuk Chae
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Patent number: 9072178Abstract: There is provided a stacked-type multilayer ceramic electronic component including: a ceramic body, a plurality of first and second internal, and first and second external electrodes formed on both surfaces of the ceramic element opposing one another; and first and second metal frames disposed to face one another and allowing the first and second external electrodes of the ceramic body to be attached thereto, respectively, wherein two or more ceramic bodies are attached between the first and second metal frames in a length direction of the first and second metal frames with an interval therebetween, and the respective ceramic bodies have different levels of capacitance.Type: GrantFiled: March 15, 2013Date of Patent: June 30, 2015Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hae Sock Chung, Doo Young Kim, Na Rim Ha, Youn Sik Jin, Tae Ok Kim
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Publication number: 20150170786Abstract: There is provided a multilayer ceramic capacitor including a ceramic body including dielectric layers and internal electrodes, electrode layers connected to the internal electrodes, and a conductive resin layer formed on the electrode layer and containing conductive particles, fullerenes, and a base resin.Type: ApplicationFiled: March 4, 2014Publication date: June 18, 2015Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Kyung Pyo HONG, Doo Young Kim, Chang Hoon Kim, Sang Hyun Park, Hae Sock Chung
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Publication number: 20150114701Abstract: A multilayer ceramic capacitor may include a ceramic body including dielectric layers, first and second internal electrodes disposed in the ceramic body to face each other, the dielectric layer being interposed between the first and second internal electrodes, and first and second external electrodes covering both end surfaces of the ceramic body. The ceramic body may include an active layer as a capacitance forming part and a cover layer as a non-capacitive part disposed on at least one surface of upper and lower surfaces of the active layer, the cover layer including at least one buffer layer, and when a thickness of the cover layer is defined as tc, and a thickness of the buffer layer is defined as ti, ti/tc being in a range of 0.15 to 0.90 (0.15?ti/tc?0.90).Type: ApplicationFiled: April 25, 2014Publication date: April 30, 2015Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hae Sock CHUNG, Doo Young KIM, Chang Hoon KIM, Sun Cheol LEE, Jong Hyun YOON, Ki Won KIM
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Publication number: 20150096795Abstract: A multilayer ceramic capacitor may include: a ceramic body including dielectric layers; first and second internal electrodes disposed in the ceramic body; and first and second external electrodes formed to end surfaces of the ceramic body. The ceramic body may includes an active layer, a capacitance formation portion, and a cover layer, a non-capacitance formation portion, the cover layer includes a plurality of dummy electrode layers. When the number of the first and second internal electrodes is defined as AL, a thickness of each of the first and second internal electrodes is defined as AT, a thickness of each of the dummy electrode layers is defined as DT, and the number of the dummy electrode layers is defined as DL, DL is equal to {(T×x)?(AL×AT)}/DT, x being 9.0% or more.Type: ApplicationFiled: April 17, 2014Publication date: April 9, 2015Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Kyung Pyo HONG, Doo Young KIM, Chang Hoon KIM, Sang Hyun PARK, Hae Sock CHUNG
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Publication number: 20150077898Abstract: There is provided a multilayer ceramic capacitor including a ceramic body including a plurality of dielectric layers, a plurality of first and second internal electrodes disposed in the ceramic body to be alternately exposed to first and second end surfaces of the ceramic body, having the dielectric layer therebetween, first and second electrode layers electrically connected to the first and second internal electrodes, respectively, a conductive resin layer formed on the first and second electrode layers and in regions of the ceramic body adjacent to the first and second electrode layers, and a coating layer formed between a portion of an outer surface of the ceramic body on which the conductive resin layer is to be formed and the conductive resin layer.Type: ApplicationFiled: March 13, 2014Publication date: March 19, 2015Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hae Sock Chung, Doo Young Kim, Na Rim Ha, Chang Hoon Kim, Kyung Pyo Hong, Sang Hyun Park
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Publication number: 20150016020Abstract: There is provided a multilayer ceramic electronic component, including: a ceramic body formed by laminating dielectric layers having an average thickness of 0.7 ?m or less; external electrodes formed on external surfaces of the ceramic body; and internal electrodes respectively disposed on the dielectric layer so as to have a gap formed therebetween, wherein, when a narrowest gap between the internal electrode edges adjacent to one another is denoted by Gmin, 10 ?m?Gmin?60 ?m is satisfied.Type: ApplicationFiled: October 2, 2014Publication date: January 15, 2015Inventors: Hae Sock CHUNG, Byoung Hwa LEE, Min Cheol PARK, Eun Hyuk CHAE
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Publication number: 20150016015Abstract: Disclosed herein is a multi-layered capacitor including: a multi-layered body which includes a capacity part formed by multi-layering a dielectric layer and an internal electrode and a cover part formed by multi-layering the dielectric layer; and a pair of external terminals disposed on both sides of the multi-layered body, in which the cover part is formed by multi-layering a first dielectric layer made of a ferroelectric material and a second dielectric layer made of a paraelectric material, thereby implementing thinness, miniaturization, and high capacity and increasing durability.Type: ApplicationFiled: November 8, 2013Publication date: January 15, 2015Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Kyo Kwang LEE, Doo Young KIM, Hae Sock CHUNG
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Patent number: 8902563Abstract: There is provided a multilayer ceramic electronic component, including: a ceramic body formed by laminating dielectric layers having an average thickness of 0.7 ?m or less; external electrodes formed on external surfaces of the ceramic body; and internal electrodes respectively disposed on the dielectric layer so as to have a gap formed therebetween, wherein, when a narrowest gap between the internal electrode edges adjacent to one another is denoted by Gmin, 10 ?m?Gmin?60 ?m is satisfied.Type: GrantFiled: December 28, 2012Date of Patent: December 2, 2014Assignee: Samsung Electro-Mechancis Co., Ltd.Inventors: Hae Sock Chung, Byoung Hwa Lee, Min Cheol Park, Eun Hyuk Chae
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Publication number: 20140240897Abstract: Disclosed herein is a multilayer ceramic device, including a device body having a plurality of dielectric sheets stacked on one another, the device body having spaced-apart sides and circumferential surfaces connecting the sides; internal electrodes formed on the dielectric sheets; an external electrode having a front portion to cover the sides and a band portion to extend from the front portion to cover parts of the circumferential surfaces; and a reinforcement pattern having a plurality of metal patterns arranged facing one another between the internal electrodes and the circumferential surfaces, wherein a distance between the metal patterns may be smaller than thicknesses of the dielectric sheets on which the internal electrodes are formed.Type: ApplicationFiled: February 25, 2014Publication date: August 28, 2014Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hae Sock CHUNG, Youn Sik JIN, Na Rim HA, Sang Hyun PARK, Doo Young KIM