公开(公告)号：US08233264B2

公开(公告)日：2012-07-31

申请号：US12847362

申请日：2010-07-30

申请人： Soon Sam Cho ,  Dong Ik Chang ,  Doo Young Kim

发明人： Soon Sam Cho ,  Dong Ik Chang ,  Doo Young Kim

IPC分类号： H01G4/005 ,  H01G4/06

CPC分类号： H01G4/005

摘要： There is provided a multilayer ceramic capacitor. The multilayer ceramic capacitor includes inner electrodes and dielectric layers stacked alternately with each other. When a continuity level of each of the inner electrodes is defined as B/A where A denotes a total length of the inner electrode and B denotes a length of the inner electrode excluding pores of the inner electrode, and a section of the inner electrode, having a predetermined length from each end of the inner electrode, is defined as an outer section, a section of the inner electrode excluding the outer section is defined as an inner section, and a section of the dielectric layers from each end of the inner electrode to a corresponding surface of the multilayer ceramic capacitor is defined as an edge section, a length of the outer section is 0.1 to 0.3 times that of the edge section, and the outer section of the inner electrode has a lower continuity level than that of the inner section of the inner electrode.

摘要翻译： 提供了多层陶瓷电容器。 多层陶瓷电容器包括彼此交替堆叠的内电极和电介质层。 当每个内部电极的连续性水平被定义为B / A，其中A表示内部电极的总长度，B表示除了内部电极的孔和内部电极的部分之外的内部电极的长度， 从内部电极的每端具有预定长度，被定义为外部部分，除了外部部分之外的内部电极的部分被定义为内部部分，并且从内部电极的每个端部的介电层的一部分 多层陶瓷电容器的相应表面被定义为边缘部分，外部部分的长度为边缘部分的长度的0.1至0.3倍，并且内部电极的外部部分的连续性水平低于 内部电极的内部部分。

公开(公告)号：US20110157766A1

公开(公告)日：2011-06-30

申请号：US12847362

申请日：2010-07-30

申请人： Soon Sam CHO ,  Dong Ik Chang ,  Doo Young Kim

发明人： Soon Sam CHO ,  Dong Ik Chang ,  Doo Young Kim

IPC分类号： H01G4/005

CPC分类号： H01G4/005

摘要： There is provided a multilayer ceramic capacitor. The multilayer ceramic capacitor includes inner electrodes and dielectric layers stacked alternately with each other. When a continuity level of each of the inner electrodes is defined as B/A where A denotes a total length of the inner electrode and B denotes a length of the inner electrode excluding pores of the inner electrode, and a section of the inner electrode, having a predetermined length from each end of the inner electrode, is defined as an outer section, a section of the inner electrode excluding the outer section is defined as an inner section, and a section of the dielectric layers from each end of the inner electrode to a corresponding surface of the multilayer ceramic capacitor is defined as an edge section, a length of the outer section is 0.1 to 0.3 times that of the edge section, and the outer section of the inner electrode has a lower continuity level than that of the inner section of the inner electrode.

摘要翻译： 提供了多层陶瓷电容器。 多层陶瓷电容器包括彼此交替堆叠的内电极和电介质层。 当每个内部电极的连续性水平被定义为B / A，其中A表示内部电极的总长度，B表示除了内部电极的孔和内部电极的部分之外的内部电极的长度， 从内部电极的每端具有预定长度，被定义为外部部分，除了外部部分之外的内部电极的部分被定义为内部部分，并且从内部电极的每个端部的介电层的一部分 多层陶瓷电容器的相应表面被定义为边缘部分，外部部分的长度为边缘部分的长度的0.1至0.3倍，并且内部电极的外部部分的连续性水平低于 内部电极的内部部分。

公开(公告)号：US20120106025A1

公开(公告)日：2012-05-03

申请号：US13116576

申请日：2011-05-26

申请人： Ji Hun JEONG ,  Doo Young Kim ,  Dong Ik Chang ,  Kang Heon Hur ,  Sung Ae Kim

发明人： Ji Hun JEONG ,  Doo Young Kim ,  Dong Ik Chang ,  Kang Heon Hur ,  Sung Ae Kim

IPC分类号： H01G4/30

CPC分类号： H01G4/30 ,  H01G4/012 ,  Y10T29/435

摘要： There is provided a multilayer ceramic capacitor and a method of manufacturing the same. There is provided a multilayer ceramic capacitor, including: a ceramic body having a plurality of dielectric layers stacked therein and including a first side and a second side opposite to each other and a third side and a fourth side connected to the first side and the second side; and inner electrode layers formed on the dielectric layers, including electrode drawing parts exposed to the first side or the second side and an electrode main part, and having a length between the electrode main part and the third side of 100 μm or less and a ratio of a length between the electrode drawing part and the third side to the length between the electrode main part and the third side of between 1.2:1 and 1.7:1. The multilayer ceramic capacitor may have improved reliability by suppressing cracks occurring in the ceramic laminate due to thermal impact during a sintering or mounting process.

摘要翻译： 提供了一种多层陶瓷电容器及其制造方法。 提供了一种多层陶瓷电容器，其包括：陶瓷体，其具有堆叠在其中的多个电介质层，并且包括彼此相对的第一侧和第二侧以及连接到第一侧的第三侧和第四侧， 侧; 以及形成在电介质层上的内电极层，包括暴露于第一侧或第二侧的电极引出部分和电极主体，并且电极主体部分和第三侧之间的长度为100μm以下， 电极牵引部和第三侧之间的长度与电极主体与第三面之间的长度在1.2:1和1.7:1之间。 通过抑制在烧结或安装过程中由于热冲击而在陶瓷层叠体中产生的裂纹，多层陶瓷电容器可以提高可靠性。

公开(公告)号：US08456799B2

公开(公告)日：2013-06-04

申请号：US13033897

申请日：2011-02-24

申请人： Dong Ik Chang ,  Kang Heon Hur ,  Doo Young Kim ,  Ji Hun Jeong

发明人： Dong Ik Chang ,  Kang Heon Hur ,  Doo Young Kim ,  Ji Hun Jeong

IPC分类号： H01G4/30 ,  H01G4/005 ,  H01G4/06

CPC分类号： H01G4/012 ,  H01G4/30 ,  Y10T29/435

摘要： Disclosed are a multilayer ceramic capacitor and a method of manufacturing the same. The multilayer ceramic capacitor includes a ceramic body having a plurality of dielectric layers stacked on top of each other, at least one internal electrode formed on a corresponding one of the plurality of dielectric layers and having uneven portions formed at an edge thereof, the internal electrode having a connectivity of between 0.7 and 0.9, which is defined by an equation below, and an external electrode formed on an outer surface of the ceramic body and connected with the internal electrode, Z=X−Y/X   (Equation) where X denotes a length of a cross-section of the internal electrode in one direction, Y denotes a total length of gaps formed by holes in the cross-section, and Z denotes the connectivity of the internal electrode. The multilayer ceramic capacitor achieves a low crack generation rate and a high level of reliability.

摘要翻译： 公开了一种多层陶瓷电容器及其制造方法。 多层陶瓷电容器包括：陶瓷体，其具有堆叠在彼此顶部的多个电介质层，至少一个内部电极，形成在所述多个电介质层中的相应一个电介质层上，并且在其边缘形成有不平坦部分，所述内部电极 具有由以下等式定义的0.7至0.9的连接性以及形成在陶瓷体的外表面上并与内部电极连接的外部电极，Z = XY / X（等式），其中X表示长度 在一个方向上的内部电极的横截面，Y表示横截面中由孔形成的间隙的总长度，Z表示内部电极的连通性。 多层陶瓷电容器实现了低裂纹产生率和高可靠性。

公开(公告)号：US08264815B2

公开(公告)日：2012-09-11

申请号：US12845313

申请日：2010-07-28

申请人： Hyea Sun Yun ,  Gee Lyong Kim ,  Doo Young Kim ,  Gi Woo Lee ,  Dong Ik Chang

发明人： Hyea Sun Yun ,  Gee Lyong Kim ,  Doo Young Kim ,  Gi Woo Lee ,  Dong Ik Chang

IPC分类号： H01G4/06

CPC分类号： H01G4/005 ,  Y10T29/435

摘要： A multilayer ceramic capacitor includes: a ceramic element; a plurality of first and second inner electrodes formed at the interior of the ceramic element and including capacity contribution portions facing each other and capacity non-contribution portions extending from the capacity contribution portions and having one end alternately exposed from the side of the ceramic element; first and second outer electrodes formed at the side of the ceramic main body and electrically connected with the first and second inner electrodes, wherein the thickness of the capacity non-contribution portion is greater than that of the capacity contribution portion and connectivity of the capacity non-contribution portion is higher than that of the capacity contribution portion at one or more of the first and second inner electrodes.

摘要翻译： 多层陶瓷电容器包括：陶瓷元件; 多个第一和第二内部电极，形成在陶瓷元件的内部并且包括彼此面对的容量贡献部分，并且容纳从所述容量贡献部分延伸并且具有从所述陶瓷元件的侧面交替暴露的一端的非贡献部分; 形成在陶瓷主体一侧并与第一和第二内部电极电连接的第一和第二外部电极，其中容量非贡献部分的厚度大于容量贡献部分的厚度和容量非连续性 - 分配部分高于第一和第二内部电极中的一个或多个处的容量贡献部分。

公开(公告)号：US20110157765A1

公开(公告)日：2011-06-30

申请号：US12843280

申请日：2010-07-26

申请人： Hyo Jung Kim ,  Dong Ik Chang ,  Doo Young Kim ,  Ji Hun Jeong

发明人： Hyo Jung Kim ,  Dong Ik Chang ,  Doo Young Kim ,  Ji Hun Jeong

IPC分类号： H01G4/01 ,  H01G9/07

CPC分类号： H01G4/01 ,  Y10T29/417

摘要： A multilayer ceramic capacitor includes a capacitor body in which inner electrodes and dielectric layers are alternately laminated, and a length difference rate (D) of the inner electrodes is 7% or less. The length difference rate (D) is defined by D={L−1}/L×100, where L is a maximum length of the inner electrode, and l is a minimum length of the inner electrode.

摘要翻译： 多层陶瓷电容器包括交替层叠内电极和电介质层的电容器体，内电极的长度差率（D）为7％以下。 长度差速比（D）由D = {L-1} / L×100定义，其中L是内电极的最大长度，l是内电极的最小长度。

公开(公告)号：US20110141656A1

公开(公告)日：2011-06-16

申请号：US12845313

申请日：2010-07-28

申请人： Hyea Sun Yun ,  Gee Lyong Kim ,  Doo Young Kim ,  Gi Woo Lee ,  Dong Ik Chang

发明人： Hyea Sun Yun ,  Gee Lyong Kim ,  Doo Young Kim ,  Gi Woo Lee ,  Dong Ik Chang

IPC分类号： H01G4/01

CPC分类号： H01G4/005 ,  Y10T29/435

摘要： A multilayer ceramic capacitor includes: a ceramic element; a plurality of first and second inner electrodes formed at the interior of the ceramic element and including capacity contribution portions facing each other and capacity non-contribution portions extending from the capacity contribution portions and having one end alternately exposed from the side of the ceramic element; first and second outer electrodes formed at the side of the ceramic main body and electrically connected with the first and second inner electrodes, wherein the thickness of the capacity non-contribution portion is greater than that of the capacity contribution portion and connectivity of the capacity non-contribution portion is higher than that of the capacity contribution portion at one or more of the first and second inner electrodes.

摘要翻译： 多层陶瓷电容器包括：陶瓷元件; 多个第一和第二内部电极，形成在陶瓷元件的内部并且包括彼此面对的容量贡献部分，并且容纳从所述容量贡献部分延伸并且具有从所述陶瓷元件的侧面交替暴露的一端的非贡献部分; 形成在陶瓷主体一侧并与第一和第二内部电极电连接的第一和第二外部电极，其中容量非贡献部分的厚度大于容量贡献部分的厚度和容量非连续性 - 分配部分高于第一和第二内部电极中的一个或多个处的容量贡献部分。

公开(公告)号：US20110141655A1

公开(公告)日：2011-06-16

申请号：US12768993

申请日：2010-04-28

申请人： Ji Hun Jeong ,  Hyo Jung Kim ,  Hyo Jung Kim ,  Dong Ik Chang ,  Doo Young Kim

发明人： Ji Hun Jeong ,  Hyo Jung Kim ,  Hyo Jung Kim ,  Dong Ik Chang ,  Doo Young Kim

IPC分类号： H01G4/12 ,  H01G4/005

CPC分类号： H01G4/1227 ,  H01G4/005

摘要： Disclosed is multilayer ceramic capacitor. The multilayer ceramic capacitor includes a capacitive part including dielectric layers and first and second internal electrodes alternately laminated therein, wherein the dielectric layers include first ceramic particles having an average particle size of 0.1 μm to 0.3 μm, and one set of ends of the first internal electrodes and one set of ends of the second internal electrodes are exposed in a lamination direction of the dielectric layers, a protective layer formed on at least one of top and bottom surfaces of the capacitive part, including second ceramic particles and having a porosity of 2% to 4%, wherein an average particle size ratio of the second ceramic particles to the first ceramic particles ranges from 1.1 to 1.3; and first and second external electrodes electrically connected to the first and second internal electrodes exposed in the lamination direction of the dielectric layers.

摘要翻译： 公开了多层陶瓷电容器。 所述多层陶瓷电容器包括电容部，所述电容部包括电介质层和交替层叠的第一和第二内部电极，其中所述电介质层包括平均粒径为0.1μm〜0.3μm的第一陶瓷粒子，以及所述第一内部电极的一组端部 电极和第二内部电极的一组端部沿电介质层的层叠方向露出，形成在电容部分的顶表面和底表面中的至少一个上的保护层，包括第二陶瓷颗粒，孔隙率为2 ％至4％，其中第二陶瓷颗粒与第一陶瓷颗粒的平均粒径比为1.1至1.3; 以及电连接到在电介质层的层叠方向上露出的第一和第二内部电极的第一外部电极和第二外部电极。

公开(公告)号：US20110141652A1

公开(公告)日：2011-06-16

申请号：US12752640

申请日：2010-04-01

申请人： Dong Ik Chang ,  Hyo Jung Kim ,  Jong Hoon Bae ,  Chul Seung Lee ,  Doo Young Kim

发明人： Dong Ik Chang ,  Hyo Jung Kim ,  Jong Hoon Bae ,  Chul Seung Lee ,  Doo Young Kim

IPC分类号： H01G2/14 ,  H01G4/12

CPC分类号： H01G4/30 ,  H01G4/012 ,  H01G4/12

摘要： A multilayer ceramic capacitor includes: an effective layer formed by alternately laminating inner electrodes and dielectric layers; and a protection layer formed by stacking dielectric layers on upper and lower surfaces of the effective layer, wherein the thickness of the protection layer is 10.0 to 30.0 times the sum of an average thickness of the inner electrodes and an average thickness of the dielectric layers within the effective layer.

摘要翻译： 多层陶瓷电容器包括：通过交替层叠内部电极和电介质层而形成的有效层; 以及通过在有效层的上表面和下表面堆叠电介质层而形成的保护层，其中保护层的厚度为内部电极的平均厚度和内部电极的平均厚度之和的平均厚度的10.0至30.0倍 有效层。

公开(公告)号：US08345405B2

公开(公告)日：2013-01-01

申请号：US12768993

申请日：2010-04-28

申请人： Ji Hun Jeong ,  Hyo Jung Kim ,  Hyo Jung Kim ,  Dong Ik Chang ,  Doo Young Kim

发明人： Ji Hun Jeong ,  Hyo Jung Kim ,  Hyo Jung Kim ,  Dong Ik Chang ,  Doo Young Kim

IPC分类号： H01G4/06

CPC分类号： H01G4/1227 ,  H01G4/005

摘要： Disclosed is multilayer ceramic capacitor. The multilayer ceramic capacitor includes a capacitive part including dielectric layers and first and second internal electrodes alternately laminated therein, wherein the dielectric layers include first ceramic particles having an average particle size of 0.1 μm to 0.3 μm, and one set of ends of the first internal electrodes and one set of ends of the second internal electrodes are exposed in a lamination direction of the dielectric layers, a protective layer formed on at least one of top and bottom surfaces of the capacitive part, including second ceramic particles and having a porosity of 2% to 4%, wherein an average particle size ratio of the second ceramic particles to the first ceramic particles ranges from 1.1 to 1.3; and first and second external electrodes electrically connected to the first and second internal electrodes exposed in the lamination direction of the dielectric layers.

摘要翻译： 公开了多层陶瓷电容器。 所述多层陶瓷电容器包括电容部，所述电容部包括电介质层和交替层叠的第一和第二内部电极，其中所述电介质层包括平均粒径为0.1μm〜0.3μm的第一陶瓷粒子，以及所述第一内部电极的一组端部 电极和第二内部电极的一组端部沿电介质层的层叠方向露出，形成在电容部分的顶表面和底表面中的至少一个上的保护层，包括第二陶瓷颗粒，孔隙率为2 ％至4％，其中第二陶瓷颗粒与第一陶瓷颗粒的平均粒径比为1.1至1.3; 以及电连接到在电介质层的层叠方向上露出的第一和第二内部电极的第一外部电极和第二外部电极。