Patents by Inventor CHung-Eun Lee
CHung-Eun Lee 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: 11901127Abstract: A dielectric composition and a multilayer capacitor including the same are provided. The dielectric composition includes a BaTiO3-base main component, a first subcomponent including an Nb component and a Gd component, a second subcomponent including an Mg component, and a third subcomponent including a Ba component and a Ca component. The first subcomponent is included in an amount of 4 moles or less per 100 moles of the main component. In the first subcomponent, a molar content of Nb and a molar content of Gd satisfy 0.33?Nb/Gd, and in the third subcomponent, a molar content of Ba and a molar content of Ca satisfy 0.2?Ca/(Ba+Ca).Type: GrantFiled: September 14, 2021Date of Patent: February 13, 2024Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jae Sung Park, Jeong Yun Park, Hyoung Uk Kim, Jong Han Kim, Chung Eun Lee
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Patent number: 11901130Abstract: A multilayer electronic component, in which the external electrode may be thinned to secure capacitance per unit volume, while securing the external electrode at a corner in a specific thickness or higher with improved reliability for moisture resistance.Type: GrantFiled: January 17, 2023Date of Patent: February 13, 2024Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jin Soo Park, Myung Jun Park, Hyun Hee Gu, Bum Soo Kim, Yeon Song Kang, Duk Hyun Chun, Chung Eun Lee
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Patent number: 11804331Abstract: A multilayer electronic component includes: a body including dielectric layers; side margin portions disposed on side surfaces of the body, respectively; and external electrodes disposed on end surfaces of the body, respectively. The body includes a capacitance forming portion including internal electrodes disposed alternately with the dielectric layers and cover portions disposed on upper and lower surfaces of the capacitance forming portion, respectively. Ga2/Ga1 is 0.8 or more and less than 1.0 and Ga2/Gc1 is 0.8 or more and less than 1.0. a1 is a central portion of the capacitance forming portion, a2 is a boundary portion between the capacitance forming portion and the cover portion in the capacitance forming portion, and c1 is a boundary portion between the capacitance forming portion and the cover portion in the cover portion. Ga1, Ga2, and Gc1 are average sizes of dielectric grains at a1, a2, and c1, respectively.Type: GrantFiled: July 14, 2021Date of Patent: October 31, 2023Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hyoung Uk Kim, Seung In Baik, Ji Su Hong, Eun Ha Jang, Jae Sung Park, Chung Eun Lee
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Publication number: 20230154684Abstract: A multilayer electronic component, in which the external electrode may be thinned to secure capacitance per unit volume, while securing the external electrode at a corner in a specific thickness or higher with improved reliability for moisture resistance.Type: ApplicationFiled: January 17, 2023Publication date: May 18, 2023Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jin Soo PARK, Myung Jun PARK, Hyun Hee GU, Bum Soo KIM, Yeon Song KANG, Duk Hyun CHUN, Chung Eun LEE
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Patent number: 11626246Abstract: A multilayer capacitor includes a body including a multilayer structure in which a plurality of dielectric layers are provided and a plurality of internal electrodes are stacked with the dielectric layer interposed therebetween and external electrodes disposed outside the body and connected to the plurality of internal electrodes. The body includes a high resistance portion disposed in at least one region between the dielectric layer and the internal electrode and inside the dielectric layer and having electric resistance higher than electric resistance of the internal electrode, and the high resistance portion and the plurality of internal electrodes include the same metal component and the same metal oxide component.Type: GrantFiled: August 11, 2021Date of Patent: April 11, 2023Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jong Ho Lee, Hong Seok Kim, Dong Chan Kim, Eun Jeong Cho, Chung Eun Lee, Hye Bin Kim, Eun Joo Choi, Sun Ju Hwang
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Patent number: 11587735Abstract: A multilayer electronic component, in which the external electrode may be thinned to secure capacitance per unit volume, while securing the external electrode at a corner in a specific thickness or higher with improved reliability for moisture resistance.Type: GrantFiled: May 13, 2020Date of Patent: February 21, 2023Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jin Soo Park, Myung Jun Park, Hyun Hee Gu, Bum Soo Kim, Yeon Song Kang, Duk Hyun Chun, Chung Eun Lee
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Patent number: 11551870Abstract: A multilayer ceramic electronic component includes: a ceramic body including an active portion having dielectric layers and first and second internal electrodes and first and second cover portions disposed on opposite surfaces of the active portion in a stacking direction, respectively; wherein when a region of the cover portion in contact with the first or second internal electrode is an inner region of the cover portion and a region of the active portion in contact with the inner region of the cover portion is an outer region of the active portion, 1.00<XA/XB?1.04 in which XA/XB is a ratio of a molar ratio (XA) of barium (Ba) to titanium (Ti) in the inner region of the cover portion to a molar ratio (XB) of barium (Ba) to titanium (Ti) in the outer region of the active portion.Type: GrantFiled: August 10, 2021Date of Patent: January 10, 2023Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Kyu Jeong Sim, Ho Sam Choi, Seung Min Kang, Jin Kyu Kim, Jae Won Kim, So Hyeon Hong, Jong Ho Lee, Chung Eun Lee
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Publication number: 20220204407Abstract: A dielectric material includes a main component represented by (Ba1-xCax)(Ti1-y(Zr, Sn, Hf)y)O3 (0?x?1 and 0?y?0.5); a first subcomponent including at least one of elements among Y, Dy, Ho, Er, Gd, Ce, Nd, Nb, Sm, Tb, Eu, Tm, La, Lu, and Yb; a second subcomponent including Si and/or Al; and a third subcomponent including Ba and/or Ca.Type: ApplicationFiled: November 10, 2021Publication date: June 30, 2022Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jae Sung PARK, Hee Sun CHUN, In Tae SEO, Hyung Joon JEON, Chung Eun LEE, Jong Han KIM
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Publication number: 20220181081Abstract: A dielectric composition and a multilayer capacitor including the same are provided. The dielectric composition includes a BaTiO3-base main component, a first subcomponent including an Nb component and a Gd component, a second subcomponent including an Mg component, and a third subcomponent including a Ba component and a Ca component. The first subcomponent is included in an amount of 4 moles or less per 100 moles of the main component. In the first subcomponent, a molar content of Nb and a molar content of Gd satisfy 0.33?Nb/Gd, and in the third subcomponent, a molar content of Ba and a molar content of Ca satisfy 0.2?Ca/(Ba+Ca).Type: ApplicationFiled: September 14, 2021Publication date: June 9, 2022Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jae Sung Park, Jeong Yun Park, Hyoung Uk Kim, Jong Han Kim, Chung Eun Lee
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Publication number: 20220157530Abstract: A multilayer electronic component includes: a body including dielectric layers; side margin portions disposed on side surfaces of the body, respectively; and external electrodes disposed on end surfaces of the body, respectively. The body includes a capacitance forming portion including internal electrodes disposed alternately with the dielectric layers and cover portions disposed on upper and lower surfaces of the capacitance forming portion, respectively. Ga2/Ga1 is 0.8 or more and less than 1.0 and Ga2/Gc1 is 0.8 or more and less than 1.0. a1 is a central portion of the capacitance forming portion, a2 is a boundary portion between the capacitance forming portion and the cover portion in the capacitance forming portion, and c1 is a boundary portion between the capacitance forming portion and the cover portion in the cover portion. Ga1, Ga2, and Gc1 are average sizes of dielectric grains at a1, a2, and c1, respectively.Type: ApplicationFiled: July 14, 2021Publication date: May 19, 2022Inventors: Hyoung Uk Kim, Seung In Baik, Ji Su Hong, Eun Ha Jang, Jae Sung Park, Chung Eun Lee
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Publication number: 20220139619Abstract: A multilayer capacitor includes a body including a multilayer structure in which a plurality of dielectric layers are provided and a plurality of internal electrodes are stacked with the dielectric layer interposed therebetween and external electrodes disposed outside the body and connected to the plurality of internal electrodes. The body includes a high resistance portion disposed in at least one region between the dielectric layer and the internal electrode and inside the dielectric layer and having electric resistance higher than electric resistance of the internal electrode, and the high resistance portion and the plurality of internal electrodes include the same metal component and the same metal oxide component.Type: ApplicationFiled: August 11, 2021Publication date: May 5, 2022Inventors: Jong Ho Lee, Hong Seok Kim, Dong Chan Kim, Eun Jeong Cho, Chung Eun Lee, Hye Bin Kim, Eun Joo Choi, Sun Ju Hwang
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Publication number: 20220139624Abstract: A multilayer ceramic electronic component includes: a ceramic body including an active portion having dielectric layers and first and second internal electrodes and first and second cover portions disposed on opposite surfaces of the active portion in a stacking direction, respectively; wherein when a region of the cover portion in contact with the first or second internal electrode is an inner region of the cover portion and a region of the active portion in contact with the inner region of the cover portion is an outer region of the active portion, 1.00<XA/XB<1.04 in which XA/XB is a ratio of a molar ratio (XA) of barium (Ba) to titanium (Ti) in the inner region of the cover portion to a molar ratio (XB) of barium (Ba) to titanium (Ti) in the outer region of the active portion.Type: ApplicationFiled: August 10, 2021Publication date: May 5, 2022Inventors: Kyu Jeong SIM, Ho Sam CHOI, Seung Min KANG, Jin Kyu KIM, Jae Won KIM, So Hyeon HONG, Jong Ho LEE, Chung Eun LEE
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Publication number: 20210265114Abstract: A multilayer electronic component, in which the external electrode may be thinned to secure capacitance per unit volume, while securing the external electrode at a corner in a specific thickness or higher with improved reliability for moisture resistance.Type: ApplicationFiled: May 13, 2020Publication date: August 26, 2021Inventors: Jin Soo PARK, Myung Jun PARK, Hyun Hee GU, Bum Soo KIM, Yeon Song KANG, Duk Hyun CHUN, Chung Eun LEE
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Patent number: 10262795Abstract: A multilayer ceramic electronic component includes a ceramic body in which dielectric layers and internal electrodes are alternately disposed. Ceramic-metal compound layers are disposed on interfaces between the internal electrodes and the dielectric layers. Additionally, in some examples, spaces between adjacent internal electrodes are fully occupied by the dielectric layers and the dielectric layers contain a ceramic-metal compound containing metal particle. The ceramic-metal compound layer may have an embossing type configuration or a dendrite type configuration.Type: GrantFiled: March 16, 2016Date of Patent: April 16, 2019Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Hong Seok Kim, Chung Eun Lee, Doo Young Kim, Ki Han Kim, Ji Ye Choi, Kyung Ryul Lee, Jae Yeol Choi, Soo Kyong Jo
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Patent number: 9818538Abstract: A multilayer ceramic electronic component may include a ceramic body including an active part in which dielectric layers and internal electrodes are alternately disposed, an upper cover part disposed on the active part, and a lower cover part disposed below the active part, a buffer layer disposed in at least one of the upper and lower cover parts, and external electrodes disposed on end surfaces of the ceramic body. The buffer layer may contain a conductive metal in a content of 1 to 40 vol %.Type: GrantFiled: September 12, 2014Date of Patent: November 14, 2017Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hong Seok Kim, Chung Eun Lee, Chang Hoon Kim, Doo Young Kim
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Patent number: 9672984Abstract: There are provided a multilayer ceramic electronic component capable of preventing problems occurring due to a difference in sintering behavior between ceramic layers and internal electrodes and having excellent reliability, and a manufacturing method thereof. The multilayer ceramic electronic component may include a ceramic body including a plurality of ceramic layers; and internal electrodes disposed in the ceramic body. The internal electrodes may contain a conductive ceramic oxide.Type: GrantFiled: September 12, 2014Date of Patent: June 6, 2017Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hong Seok Kim, Chung Eun Lee, Chang Hoon Kim, Doo Young Kim
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Publication number: 20170011850Abstract: A multilayer ceramic electronic component includes a ceramic body in which dielectric layers and internal electrodes are alternately disposed. Ceramic-metal compound layers are disposed on interfaces between the internal electrodes and the dielectric layers. Additionally, in some examples, spaces between adjacent internal electrodes are fully occupied by the dielectric layers and the dielectric layers contain a ceramic-metal compound containing metal particle. The ceramic-metal compound layer may have an embossing type configuration or a dendrite type configuration.Type: ApplicationFiled: March 16, 2016Publication date: January 12, 2017Inventors: Hong Seok KIM, Chung Eun LEE, Doo Young KIM, Ki Han KIM, Ji Ye CHOI, Kyung Ryul LEE, Jae Yeol CHOI, Soo Kyong JO
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Patent number: 9466424Abstract: A multilayer ceramic electronic component may include: a ceramic body including a plurality of dielectric layers; internal electrodes disposed in the ceramic body and having one ends exposed to outer surfaces of the ceramic body; and external electrodes disposed on the outer surfaces of the ceramic body to be connected to the respective one ends of the internal electrodes and containing a conductive metal and a conductive ceramic powder.Type: GrantFiled: July 24, 2014Date of Patent: October 11, 2016Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Chung Eun Lee, Doo Young Kim, Hang Kyu Cho, Jong Ho Lee
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Patent number: 9418789Abstract: A multilayer ceramic electronic component may include: a ceramic body including an active part in which dielectric layers and internal electrodes are alternately disposed, an upper cover part disposed on an upper portion of the active part, and a lower cover part disposed on a lower portion thereof; a first dummy electrode disposed between a central portion of the upper or lower cover part in a length direction and one end surface of the cover part in the length direction; and a second dummy electrode disposed between the central portion of the upper or lower cover part in the length direction and the other end surface of the cover part in the length direction, and spaced apart from the first dummy electrode.Type: GrantFiled: July 18, 2014Date of Patent: August 16, 2016Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jong Ho Lee, Hang Kyu Cho, Doo Young Kim, Chung Eun Lee, Chul Seung Lee
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Patent number: 9390854Abstract: A multilayer ceramic electronic component may include: a plurality of active parts including a plurality of dielectric layers and a plurality of internal electrodes that are alternately disposed, the plurality of active parts being stacked; an interlayer margin part disposed between the active parts adjacent to each other and containing magnesium; an upper cover part disposed on an upper portion of an uppermost active part among the plurality of active parts and containing magnesium; and a lower cover part disposed on a lower portion of a lowermost active part among the plurality of active parts and containing magnesium, wherein the upper and lower cover parts and the interlayer margin part include magnesium-nickel oxide layers formed on interfaces thereof adjacent to the active parts.Type: GrantFiled: July 18, 2014Date of Patent: July 12, 2016Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Chung Eun Lee, Doo Young Kim, Hang Kyu Cho, Jong Ho Lee