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公开(公告)号：KR1020140126080A
公开(公告)日：2014-10-30
申请号：KR1020130044153
申请日：2013-04-22
Applicant: 삼성전기주식회사
CPC classification number: H01G4/385 , H01G4/012 , H01G4/12 , H01G4/232 , H01G4/30 , H05K1/0231 , H05K3/3442 , H05K2201/10015 , H05K2201/10636 , Y02P70/611
Abstract: A multi-layered ceramic capacitor comprises: a ceramic body, first and second capacitor parts, first and second internal connection conductors, and first to fourth external electrodes. The ceramic body includes a plurality of dielectric layers and has first and second main surfaces facing each other, first and second side surfaces facing each other, and first and second end surfaces facing each other. The first capacitor part and the second capacitor part are formed in the ceramic body. The first capacitor part includes a first internal electrode exposed to the first end surface and a second internal electrode having a lead exposed to the first side surface. The second capacitor part includes a third internal electrode exposed to the first end surface and a fourth internal electrode having a lead exposed to the second side surface. The first and second internal connection conductors are disposed in the ceramic body across the dielectric layer and have at least one polarity. The first to fourth external electrode are formed outside the ceramic body and are electrically connected to the first to fourth internal electrodes and the first and second internal connection conductors. The first capacitor part is connected in series to the first connection conductor. The second capacitor part is connected in series to the second connection conductor which is connected in series to the first connection conductor.
Abstract translation: 多层陶瓷电容器包括：陶瓷体，第一和第二电容器部分，第一和第二内部连接导体以及第一至第四外部电极。 陶瓷体包括多个电介质层，并且具有彼此相对的第一和第二主表面，彼此面对的第一和第二侧表面以及彼此面对的第一和第二端面。 第一电容器部分和第二电容器部分形成在陶瓷体中。 第一电容器部分包括暴露于第一端面的第一内部电极和具有暴露于第一侧表面的引线的第二内部电极。 第二电容器部分包括暴露于第一端面的第三内部电极和具有暴露于第二侧表面的引线的第四内部电极。 第一和第二内部连接导体设置在陶瓷体中横跨介电层并具有至少一个极性。 第一至第四外部电极形成在陶瓷体外部并与第一至第四内部电极以及第一和第二内部连接导体电连接。 第一电容器部分与第一连接导体串联连接。 第二电容器部分串联连接到与第一连接导体串联连接的第二连接导体。
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公开(公告)号：KR101452054B1
公开(公告)日：2014-10-22
申请号：KR1020120138920
申请日：2012-12-03
Applicant: 삼성전기주식회사
Abstract: 본 발명은, 복수의 유전체층이 적층된 세라믹 본체; 상기 유전체층을 사이에 두고 상기 세라믹 본체의 양 단면을 통해 번갈아 노출되도록 형성된 복수의 제1 및 제2 내부 전극을 포함하여 용량이 형성되는 액티브층; 상기 액티브층의 상부에 형성된 상부 커버층; 상기 액티브층의 하부에 형성되며, 상기 상부 커버층에 비해 두꺼운 두께를 갖는 하부 커버층; 및 상기 세라믹 본체의 양 단면을 덮도록 형성된 제1 및 제2 외부 전극; 을 포함하며, 상기 세라믹 본체의 길이-두께(LT) 단면에서 상기 액티브층 및 상기 상부 커버층의 총면적(X) 대비 상기 제1 및 제2 내부전극이 중첩하는 영역의 면적(Y)의 비율이 0.5 내지 0.9의 범위를 만족하는 적층 세라믹 커패시터를 제공한다.
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公开(公告)号：KR101452068B1
公开(公告)日：2014-10-16
申请号：KR1020120148252
申请日：2012-12-18
Applicant: 삼성전기주식회사
CPC classification number: H01G2/06 , H01G4/005 , H01G4/12 , H05K3/3442 , H05K2201/10015 , H05K2201/2045 , Y02P70/613
Abstract: 본 발명은 복수의 유전체층이 적층된 세라믹 본체; 상기 유전체층을 사이에 두고 상기 세라믹 본체의 양 단면을 통해 번갈아 노출되도록 형성된 복수의 제1 및 제2 내부 전극을 포함하여 용량이 형성되는 액티브층; 상기 액티브층의 상부에 형성된 상부 커버층; 상기 액티브층의 하부에 형성되며, 상기 상부 커버층에 비해 두꺼운 두께를 갖는 하부 커버층; 및 상기 세라믹 본체의 양 단면을 덮도록 형성된 제1 및 제2 외부 전극; 을 포함하며, 상기 내부 전극의 길이 방향 단부와 상기 세라믹 본체의 일 단면 사이에 형성된 L-마진부의 폭을 LM, 상기 내부 전극의 폭 방향 단부와 상기 세라믹 본체의 일 측면 사이에 형성된 W-마진부의 폭을 WM, 상기 하부 커버층의 두께를 B라고 할 때 0.3≤LM/B≤2.0 및 0.5≤B/WM≤5.0를 만족하는 적층 세라믹 커패시터를 제공한다.
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公开(公告)号：KR101434108B1
公开(公告)日：2014-08-25
申请号：KR1020130086096
申请日：2013-07-22
Applicant: 삼성전기주식회사
Abstract: The present invention includes a ceramic body which includes a plurality of dielectric layers; multiple first and second internal electrodes which are arranged to alternately expose both cross-sections in the longitudinal direction by interposing the dielectric layer therebetween; and first and second external electrodes. The first and second external electrodes in a thickness-length cross-section of the ceramic body include first and second conductive glass layers which are formed on the cross-sections in the longitudinal direction and the two peripheral surfaces; first and second conductive resin layers which include Cu and epoxy, are formed on the first and second conductive glass layers, are formed on the two cross-sections and the peripheral surfaces wherein the length thereof on the first and second conductive glass layers is greater than the length thereof on the first and second peripheral surfaces; and first and second insulating layers which are formed on the first and second conductive glass layers, the two cross-sections and the peripheral surfaces to cover the first and second conductive resin layers wherein the length thereof on the first and second conductive resin layers is smaller than the length thereof on the peripheral surfaces.
Abstract translation: 本发明包括一陶瓷体，其包括多个电介质层; 多个第一和第二内部电极，其布置成通过在其间插入电介质层来交替地暴露在纵向方向上的两个横截面; 以及第一和第二外部电极。 陶瓷体的厚度长度截面中的第一外部电极和第二外部电极包括形成在纵向和两个外周表面的横截面上的第一和第二导电玻璃层; 形成在第一和第二导电玻璃层上的包括Cu和环氧树脂的第一和第二导电树脂层形成在两个横截面和周边表面上，其中第一和第二导电玻璃层上的长度大于 其长度在第一和第二周边表面上; 以及第一和第二绝缘层，其形成在第一和第二导电玻璃层上，两个横截面和外围表面以覆盖第一和第二导电树脂层，其中第一和第二导电树脂层上的长度较小 比其在周边表面上的长度。
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公开(公告)号：KR1020140084513A
公开(公告)日：2014-07-07
申请号：KR1020120154037
申请日：2012-12-27
Applicant: 삼성전기주식회사
CPC classification number: H01G4/30 , H01G2/065 , H01G4/012 , H01G4/232 , H05K3/3442 , H05K2201/10015
Abstract: The present invention provides a multilayer ceramic capacitor comprising: a ceramic body formed by laminating multiple dielectric layers; multiple first and second internal electrodes formed to be alternately exposed through both cross sections of the ceramic body with the dielectric layer therebetween; and first and second external electrodes formed to cover both cross sections of the ceramic body, wherein the ceramic body includes: an active layer to form a capacity by including the first and second internal electrodes; and a cover layer formed on the top or bottom of the active layer, wherein the active layer includes a first block where a first region (I), which is formed on one cross section based on the longitudinal center part (R) of the ceramic body in the length-width (L-W) cross section of the ceramic body and in which the internal electrodes of different polarities face each other in a lamination direction to form the capacity, and a second region (II), in which the internal electrodes of the same polarity face each other in the lamination direction not to form the capacity, are arranged in the lamination direction; and a second block where a third region (III), which is formed on the other cross section based on the longitudinal center part (R) of the ceramic body and faces the first region (I) in the longitudinal direction of the ceramic body and in which the internal electrodes of the same polarity face each other in the lamination direction not to form the capacity, and a fourth region (IV), which faces the second region (II) in the longitudinal direction of the ceramic body and in which the internal electrodes of different polarities face each other in the lamination direction, are arranged in the lamination direction.
Abstract translation: 本发明提供一种多层陶瓷电容器，包括：通过层压多个电介质层而形成的陶瓷体; 多个第一和第二内部电极被形成为通过陶瓷体的两个横截面交替地暴露在其间具有电介质层; 以及形成为覆盖陶瓷体的两个截面的第一外部电极和第二外部电极，其中所述陶瓷体包括：通过包括所述第一和第二内部电极形成容量的有源层; 以及形成在所述有源层的顶部或底部上的覆盖层，其中所述有源层包括第一块，其中形成在基于所述陶瓷的纵向中心部分（R）的一个横截面上的第一区域（I） 陶瓷体的长宽（LW）截面的主体，并且其中不同极性的内部电极在层叠方向上彼此面对以形成电容;以及第二区域（II），其中内部电极 沿层叠方向彼此相同的极性不形成容量，沿层叠方向排列; 以及第二块，其中形成在另一横截面上的第三区域（III），其基于所述陶瓷体的纵向中心部分（R）并且在所述陶瓷体的纵向方向上面向所述第一区域（I），以及 其中相同极性的内部电极在层叠方向上彼此不形成电容;以及第四区域（IV），其在陶瓷体的纵向方向上面向第二区域（II），并且其中 在层叠方向上具有不同极性的内部电极彼此面对，沿层叠方向排列。
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Patent Agency Ranking
公开(公告)号：KR101376843B1
公开(公告)日：2014-03-20
申请号：KR1020120136771
申请日：2012-11-29
Applicant: 삼성전기주식회사
Abstract: The present invention provides a multi-layered ceramic capacitor including a ceramic main body on which a plurality of dielectric layers is laminated; an active layer forming a capacity by including a plurality of first and second inner electrodes alternately exposed across the dielectric layer through both cross sections of the ceramic main body; upper and lower cover layers respectively formed on the upper part and the lower part of the active layer; first and second outer electrodes covering both cross sections of the ceramic main body; a plurality of first and second dummy electrodes respectively facing the first and second inner electrodes by being extended from the first and second outer electrodes to the inside in the longitudinal direction, inside the active layer; and a plurality of piezoelectric members which has higher permittivity than the dielectric layer and is formed in the active layer to respectively connect the first inner electrode and the first dummy electrode or the second inner electrode and the second dummy electrode.
Abstract translation: 本发明提供一种多层陶瓷电容器，其包括层叠有多个电介质层的陶瓷主体; 通过包括通过陶瓷主体的两个横截面交替地暴露在电介质层上的多个第一和第二内部电极来形成容量的有源层; 上层和下层分别形成在有源层的上部和下部; 第一和第二外电极覆盖陶瓷主体的两个横截面; 多个第一和第二虚拟电极，分别面对第一和第二内部电极，通过在有源层内部从第一和第二外部电极沿长度方向延伸到内部; 以及多个压电元件，其具有比介电层更高的介电常数，并形成在有源层中，以分别连接第一内部电极和第一虚拟电极或第二内部电极和第二虚拟电极。
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