公开(公告)号：US08259434B2

公开(公告)日：2012-09-04

申请号：US12843235

申请日：2010-07-26

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

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

IPC分类号： H01G4/06

CPC分类号： H01G4/12 ,  H01G4/005 ,  H01G13/00 ,  Y10T29/435

摘要： There is provided a multilayer ceramic capacitor including: a capacitor main body formed by stacking a dielectric layer having a thickness of td and alternately stacking more than one opposing pair of a first internal electrode having a thickness of te and a second internal electrode having the same thickness as the first internal electrode, and having the dielectric layer therebetween; and a protective layer formed by stacking a second dielectric layer on at least one of an upper surface and a lower surface of the capacitor main body so that a dielectric material layer has a thickness of tc, wherein when a thickness from an end of a region where the first internal electrode and the second internal electrode oppose each other to side and end surfaces of the capacitor main body is a, it satisfies the following Equation 1 and a method of fabricating a multilayer ceramic capacitor are provided. 10

摘要翻译： 提供了一种多层陶瓷电容器，其包括：电容器主体，其通过堆叠具有厚度td的电介质层并且交替堆叠多个相对的一对具有厚度的第一内部电极和具有其的第二内部电极 厚度为第一内部电极，并且其间具有电介质层; 以及保护层，其通过在电容器主体的上表面和下表面中的至少一个上层叠第二电介质层而形成，使得电介质材料层具有厚度tc，其中当从区域的端部的厚度 其中第一内部电极和第二内部电极彼此相对于电容器主体的侧面和端面是a，其满足以下等式1，并且提供制造多层陶瓷电容器的方法。 10

公开(公告)号：US20120099241A1

公开(公告)日：2012-04-26

申请号：US13149246

申请日：2011-05-31

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 ,  H01G7/00

CPC分类号： H01G4/012 ,  H01G4/30 ,  Y10T29/43

摘要： Disclosed are a multilayer ceramic electronic component and a method of manufacturing the same. There is provided a multilayer ceramic electronic component, including: a ceramic main body in which a plurality of dielectric layers having an average thickness of 1 μm or less are stacked; and inner electrode layers formed on the dielectric layers and having connectivity of 90% or more expressed by the following Equation, wherein the ratio of the thickness of the inner electrode layer to the thickness of the dielectric layer is between 0.8:1 and 1.3:1. The Equation is as follows. CONNECTIVITY = TOTAL   LENGTH   ( B )   OF   CROSS   SECTION FORMED   WITH   CONDUCTIVE   PASTE TOTAL   LENGTH   ( A )   OF   CORSS SECTION   OF   INNER   ELECTRODE The high-capacity multilayer ceramic electronic component having the excellent reliability while resisting the thermal impact cracks can be provided, by having the uniform thickness of the dielectric layers to improve the voltage-resistant characteristics while implementing the high capacitance.

摘要翻译： 公开了一种多层陶瓷电子部件及其制造方法。 提供了一种多层陶瓷电子部件，其包括：层叠有平均厚度为1μm以下的多个电介质层的陶瓷主体; 以及形成在电介质层上并具有由以下等式表示的90％以上的连通性的内部电极层，其中内部电极层的厚度与电介质层的厚度之比在0.8:1至1.3:1之间 。 公式如下。 连接度= TOTAL 内置电极可以通过在实现高电容的同时提高电介质层的均匀厚度来提高耐电压特性，而提供耐热冲击裂纹具有优异可靠性的高容量多层陶瓷电子部件。

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。

公开(公告)号：US08194390B2

公开(公告)日：2012-06-05

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： H01G4/06

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：US20110149469A1

公开(公告)日：2011-06-23

申请号：US12843235

申请日：2010-07-26

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

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

IPC分类号： H01G4/12 ,  H01G13/00

CPC分类号： H01G4/12 ,  H01G4/005 ,  H01G13/00 ,  Y10T29/435

摘要： There is provided a multilayer ceramic capacitor including: a capacitor main body formed by stacking a dielectric layer having a thickness of td and alternately stacking more than one opposing pair of a first internal electrode having a thickness of to and a second internal electrode having the same thickness as the first internal electrode, and having the dielectric layer therebetween; and a protective layer formed by stacking a second dielectric layer on at least one of an upper surface and a lower surface of the capacitor main body so that a dielectric material layer has a thickness of tc, wherein when a thickness from an end of a region where the first internal electrode and the second internal electrode oppose each other to side and end surfaces of the capacitor main body is a, it satisfies the following Equation 1 and a method of fabricating a multilayer ceramic capacitor are provided. 10

摘要翻译： 提供了一种多层陶瓷电容器，其包括：电容器主体，其通过堆叠具有厚度td并交替堆叠多个相对的一对具有厚度的第一内部电极的电介质层和具有该电介质层的第二内部电极 厚度为第一内部电极，并且其间具有电介质层; 以及保护层，其通过在电容器主体的上表面和下表面中的至少一个上层叠第二电介质层而形成，使得电介质材料层具有厚度tc，其中当从区域的端部的厚度 其中第一内部电极和第二内部电极彼此相对于电容器主体的侧面和端面是a，其满足以下等式1，并且提供制造多层陶瓷电容器的方法。 10

公开(公告)号：US20110141659A1

公开(公告)日：2011-06-16

申请号：US12966380

申请日：2010-12-13

申请人： Dong Ik CHANG ,  Jin Hyung Lim ,  Ji Hun Jeong ,  Doo Young Kim

发明人： Dong Ik CHANG ,  Jin Hyung Lim ,  Ji Hun Jeong ,  Doo Young Kim

IPC分类号： H01G4/012

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

摘要： There is provided a multilayer ceramic capacitor. The multilayer ceramic capacitor includes an effective layer including inner electrodes and dielectric layers that are alternately stacked, and a protection layer formed on each of top and bottom surfaces of the effective layer, the protection layer being formed by stacking dielectric layers. The effective layer has an outside part, an inside part and an outside part in that order along a stack direction, the inner electrodes of the outside parts have a smaller thickness than that of the inner electrodes of the inside part, and the outside parts have a thickness 0.1 to 0.5 times that of the protection layer.

摘要翻译： 提供了多层陶瓷电容器。 层叠陶瓷电容器包括交替堆叠的内电极和电介质层的有效层，以及形成在有效层的顶面和底面各自的保护层，保护层通过堆叠电介质层而形成。 有效层沿着堆叠方向依次具有外侧部分，内部部分和外侧部分，外侧部分的内部电极的厚度小于内部部分的内部电极的厚度，并且外部部件具有 厚度为保护层的0.1〜0.5倍。

公开(公告)号：US08390983B2

公开(公告)日：2013-03-05

申请号：US12766161

申请日：2010-04-23

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

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

IPC分类号： H01G4/06 ,  C04B35/00

CPC分类号： H01G4/12 ,  H01G4/30

摘要： Disclosed is a multilayer ceramic capacitor. The multilayer ceramic capacitor includes a capacitive part including a plurality of dielectric layers and first and second internal electrodes that are laminated in an alternating manner, wherein one set of ends of the first internal electrodes and the other set of ends of the second internal electrodes are exposed in a lamination direction in which the dielectric layers are laminated, a protective layer formed on at least one of top and bottom surfaces of the capacitive part, including a plurality of pores having an average pore size of 0.5 μm to 3 μm, and having a porosity of 2% to 10%, 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： 公开了一种多层陶瓷电容器。 多层陶瓷电容器包括：电容部，其包括多个电介质层和以交替的方式层叠的第一和第二内部电极，其中，第一内部电极的一组端部和第二内部电极的另一组端部为 在层叠电介质层的层叠方向上露出形成在所述电容部的顶面和底面的至少一个上的保护层，所述保护层包括平均孔径为0.5μm〜3μm的多个孔，并且具有 孔隙率为2％至10％，以及电连接到在电介质层的层压方向上暴露的第一和第二内部电极的第一和第二外部电极。

公开(公告)号：US20120127626A1

公开(公告)日：2012-05-24

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 ,  H01G7/00

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 具有由下式定义的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 = X-Y / X（等式）其中X表示 内部电极在一个方向上的横截面的长度，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：US20110141660A1

公开(公告)日：2011-06-16

申请号：US12766161

申请日：2010-04-23

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

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

IPC分类号： H01G4/06

CPC分类号： H01G4/12 ,  H01G4/30

摘要： Disclosed is a multilayer ceramic capacitor. The multilayer ceramic capacitor includes a capacitive part including a plurality of dielectric layers and first and second internal electrodes that are laminated in an alternating manner, wherein one set of ends of the first internal electrodes and the other set of ends of the second internal electrodes are exposed in a lamination direction in which the dielectric layers are laminated, a protective layer formed on at least one of top and bottom surfaces of the capacitive part, including a plurality of pores having an average pore size of 0.5 μm to 3 μm, and having a porosity of 2% to 10%, 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： 公开了一种多层陶瓷电容器。 多层陶瓷电容器包括：电容部，其包括多个电介质层和以交替的方式层叠的第一和第二内部电极，其中，第一内部电极的一组端部和第二内部电极的另一组端部为 在层叠电介质层的层叠方向上露出形成在所述电容部的顶面和底面的至少一个上的保护层，所述保护层包括平均孔径为0.5μm〜3μm的多个孔，并且具有 孔隙率为2％至10％，以及电连接到在电介质层的层压方向上暴露的第一和第二内部电极的第一和第二外部电极。

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。