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公开(公告)号：US20230129225A1
公开(公告)日：2023-04-27
申请号：US18085840
申请日：2022-12-21
发明人： Sung Hyung Kang , Jong Hyun Cho , Ji Hong Jo , Hang Kyu Cho , Jae Shik Shim , Yong In Kim , Sang Roc Lee
IPC分类号： H01G4/30 , H01G4/012 , H01G4/008 , C04B35/468 , H01G4/12
摘要： A ceramic electronic component includes a body including a dielectric layer and an internal electrode, and an external electrode disposed on the body and connected to the internal electrode. The dielectric layer includes a plurality of dielectric grains, and at least one of the plurality of dielectric grains has a core-dual shell structure having a core and a dual shell. The dual shell includes a first shell surrounding at least a portion of the core, and a second shell surrounding at least a portion of the first shell, and a concentration of a rare earth element included in the second shell is more than 1.3 times to less than 3.8 times a concentration of a rare earth element included in the first shell.
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公开(公告)号：US11031185B2
公开(公告)日：2021-06-08
申请号：US15975131
申请日：2018-05-09
发明人： Jeong Ryeol Kim , Bum Suk Kang , Hyo Min Kang , Hang Kyu Cho , Chang Hoon Kim
IPC分类号： H01G4/232 , H01C1/148 , H01C7/18 , H01C17/28 , H01L41/047 , H01L41/293 , H01C7/00 , H01G4/30 , H01L41/273 , H01C7/10 , H01F17/00 , H01F27/29 , H01G4/12 , H01F27/28 , H01F37/00 , H01F41/10 , H01G4/008
摘要： An electronic component includes external electrodes formed on an external surface of a body to be electrically connected to internal electrodes, and containing metal particles and glass, wherein the metal particles include particles having a polyhedral shape.
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公开(公告)号：US11569037B2
公开(公告)日：2023-01-31
申请号：US16857280
申请日：2020-04-24
发明人： Sung Hyung Kang , Jong Hyun Cho , Ji Hong Jo , Hang Kyu Cho , Jae Shik Shim , Yong In Kim , Sang Roc Lee
IPC分类号： H01G4/30 , H01G4/012 , H01G4/008 , H01G4/12 , C04B35/468
摘要： A ceramic electronic component includes a body including a dielectric layer and an internal electrode, and an external electrode disposed on the body and connected to the internal electrode. The dielectric layer includes a plurality of dielectric grains, and at least one of the plurality of dielectric grains has a core-dual shell structure having a core and a dual shell. The dual shell includes a first shell surrounding at least a portion of the core, and a second shell surrounding at least a portion of the first shell, and a concentration of a rare earth element included in the second shell is more than 1.3 times to less than 3.8 times a concentration of a rare earth element included in the first shell.
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公开(公告)号：US10748708B2
公开(公告)日：2020-08-18
申请号：US16003968
申请日：2018-06-08
发明人： Jeong Bong Park , Se Hwan Bong , Mi Ok Park , Kyeong Jun Kim , Hang Kyu Cho
摘要： A multilayer ceramic capacitor includes a body, and first and second external electrodes respectively disposed on opposing surfaces of the body in a longitudinal direction. The body includes a capacitive portion including an internal electrode layer including first and second internal electrodes respectively exposed to the opposing surfaces of the body in the longitudinal direction and a floating electrode layer including a floating electrode, the internal electrode layer and the floating electrode layer being alternately stacked with a first dielectric layer interposed therebetween, a cover part disposed on the capacitive portion and having stacked second dielectric layers, a dummy part disposed below the capacitive portion and including a dummy electrode layer including a dummy electrode and a third dielectric layer, the dummy electrode layer and the third dielectric layer being alternately stacked, and an identification layer disposed below the dummy part and having a color distinguished from the cover part.
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公开(公告)号：US09418789B2
公开(公告)日：2016-08-16
申请号：US14335674
申请日：2014-07-18
发明人： Jong Ho Lee , Hang Kyu Cho , Doo Young Kim , Chung Eun Lee , Chul Seung Lee
摘要： 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.
摘要翻译： 多层陶瓷电子部件可以包括：陶瓷体，其包括交替设置电介质层和内部电极的有源部，设置在有源部的上部的上盖部，以及设置在下部的下盖部 的; 第一虚拟电极，其设置在长度方向上的上部或下部盖部的中央部与盖部的长度方向的一个端面之间; 以及第二虚拟电极，其设置在长度方向上的上盖部件的中央部分和盖部件的长度方向的另一端面之间，并且与第一虚拟电极间隔开。
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6.发明授权Multilayer ceramic electronic component, manufacturing method thereof and board having the same mounted thereon 有权多层陶瓷电子部件及其制造方法以及安装在其上的基板公开(公告)号：US09490070B2
公开(公告)日：2016-11-08
申请号：US14258876
申请日：2014-04-22
发明人： Sun Ho Yoon , Hang Kyu Cho , Han Soung Jeong , Hyo Jung Kim
CPC分类号： H01G4/1209 , H01G4/0085 , H01G4/1227 , H01G4/30
摘要： A multilayer ceramic electronic component may include: a ceramic body in which dielectric layers containing plate-shaped dielectric grains are stacked; and internal electrodes disposed on the dielectric layers within the ceramic body. The dielectric layer may contain dielectric grains, plate-shaped surfaces of which have an angle of 20° or less with regard to a boundary surface between the dielectric layer and the internal electrode.
摘要翻译： 多层陶瓷电子部件可以包括：陶瓷体，其中堆叠含有板状电介质的电介质层; 以及设置在陶瓷体内的电介质层上的内部电极。 电介质层可以含有相对于电介质层和内部电极之间的界面具有20°以下的角度的电介质晶粒。
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7.发明授权公开(公告)号：US09390854B2
公开(公告)日：2016-07-12
申请号：US14335532
申请日：2014-07-18
发明人： Chung Eun Lee , Doo Young Kim , Hang Kyu Cho , Jong Ho Lee
CPC分类号： H01G4/12 , B32B37/24 , B32B38/0036 , B32B38/145 , B32B2305/77 , B32B2307/202 , B32B2307/204 , B32B2315/02 , B32B2457/16 , H01G4/0085 , H01G4/012 , H01G4/30 , H01G4/385
摘要： 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.
摘要翻译： 多层陶瓷电子部件可以包括：多个有源部，包括交替设置的多个电介质层和多个内部电极，所述多个有源部分被堆叠; 位于彼此相邻并含有镁的活性部分之间的夹层边缘部分; 上盖部，其设置在所述多个活性部中的最上部活性部的上部，并含有镁; 以及下盖部，其设置在所述多个有源部中的最下部有源部的下部，并且包含镁，其中，所述上盖部和下盖部以及所述夹层边缘部包括在与所述多个有源部的相邻的界面上形成的镁 - 活动零件。
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公开(公告)号：US09349536B2
公开(公告)日：2016-05-24
申请号：US13715974
申请日：2012-12-14
发明人： Jong Ho Lee , Jae Yeol Choi , Doo Young Kim , Hang Kyu Cho , Eung Soo Kim , Byung Woo Han
IPC分类号： H01G4/30 , H01G4/012 , H01G4/232 , H01G4/005 , H01G4/008 , H01G2/10 , H01L41/047 , H01L41/053 , H01G4/12
CPC分类号： H01G2/103 , H01G4/012 , H01G4/12 , H01G4/232 , H01G4/30 , H01L41/0472 , H01L41/0533
摘要： A multilayer ceramic electronic component includes: a ceramic body including dielectric layers; an oxide film formed on one surface of the ceramic body; first and second external electrodes formed on both sides of the oxide film on one surface of the ceramic body; a first internal electrode formed on the dielectric layer and including a first electrode lead-out portion exposed to the first external electrode and a first insulating lead-out portion exposed to the oxide film and having a composite-metal-oxide region formed in an exposed edge portion thereof; a second internal electrode facing the first internal electrode, having the dielectric layer interposed therebetween, and including a second electrode lead-out portion exposed to the second external electrode and a second insulating lead-out portion exposed to the oxide film, having a composite-metal-oxide region formed in an exposed edge portion thereof, and overlapped with the first insulating lead-out portion to form additional capacitance.
摘要翻译： 多层陶瓷电子部件包括：陶瓷体，包括电介质层; 形成在陶瓷体的一个表面上的氧化膜; 在陶瓷体的一个表面上形成在氧化膜两侧的第一和第二外部电极; 第一内部电极，其形成在所述电介质层上，并且包括暴露于所述第一外部电极的第一电极引出部分和暴露于所述氧化膜的第一绝缘引出部分，并且具有形成在暴露于所述第一外部电极的复合金属氧化物区域 其边缘部分; 面对第一内部电极的第二内部电极，其间具有电介质层，并且包括暴露于第二外部电极的第二电极引出部分和暴露于氧化物膜的第二绝缘引出部分， 金属氧化物区域形成在其暴露的边缘部分中，并且与第一绝缘引出部分重叠以形成额外的电容。
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9.发明申请公开(公告)号：US20150318109A1
公开(公告)日：2015-11-05
申请号：US14335532
申请日：2014-07-18
发明人： Chung Eun Lee , Doo Young Kim , Hang Kyu Cho , Jong Ho Lee
CPC分类号： H01G4/12 , B32B37/24 , B32B38/0036 , B32B38/145 , B32B2305/77 , B32B2307/202 , B32B2307/204 , B32B2315/02 , B32B2457/16 , H01G4/0085 , H01G4/012 , H01G4/30 , H01G4/385
摘要： 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.
摘要翻译： 多层陶瓷电子部件可以包括：多个有源部，包括交替设置的多个电介质层和多个内部电极，所述多个有源部分被堆叠; 位于彼此相邻并含有镁的活性部分之间的夹层边缘部分; 上盖部，其设置在所述多个活性部中的最上部活性部的上部，并含有镁; 以及下盖部，其设置在所述多个有源部中的最下部有源部的下部，并且包含镁，其中，所述上盖部和下盖部以及所述夹层边缘部包括在与所述多个有源部的相邻的界面上形成的镁 - 活动零件。
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公开(公告)号：US10770229B2
公开(公告)日：2020-09-08
申请号：US16115049
申请日：2018-08-28
发明人： Sung Hyung Kang , Hyung Kyu Kim , Jong Hyun Cho , Du Won Choi , Yong Koo Kim , Hang Kyu Cho
IPC分类号： H01G4/30 , H01G4/12 , C04B35/468 , H01G4/008
摘要： A dielectric composition contains: a base material powder containing BamTiO3 (0.995≤m≤1.010); a first accessory ingredient containing at least one element corresponding to a transition metal in Group 5 of the periodic table in a total content of 0.3 to 1.2 moles; a second accessory ingredient containing one of ions, oxides, carbides, and hydrates of Si in a content of 0.6 to 4.5 moles; a third accessory ingredient containing at least one element in Period 4 or higher; and a fourth accessory ingredient containing at least one element in Period 3, wherein 0.70×B≤C+D≤1.50×B and 0.20≤D/(C+D)≤0.80, in which B is a total content of the second accessory ingredient, C is a total content of the third accessory ingredient, and D is a total content of the fourth accessory ingredient.
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