公开(公告)号：US20160196922A1

公开(公告)日：2016-07-07

申请号：US15071646

申请日：2016-03-16

Applicant: Murata Manufacturing Co., Ltd.

Inventor： TAKASHI OMORI ,  Seiji Koga ,  Jun Ikeda

IPC: H01G4/30 ,  H01G4/248 ,  H01G4/12 ,  H01G4/008

CPC classification number: H01G4/30 ,  H01G4/008 ,  H01G4/0085 ,  H01G4/12 ,  H01G4/1227 ,  H01G4/232 ,  H01G4/2325 ,  H01G4/248

Abstract: A multilayer ceramic electronic component includes a ceramic body having an end surface and a side surface adjacent to thereto such that the end surface and the side surface meet at an edge. The ceramic body has a plurality of internal electrodes with adjacent pairs of the internal electrodes being separated by a respective ceramic layer. An external electrode containing a metal, an inorganic component and voids is electrically connected to at least some of the internal electrodes and both covers the end surface and extends over the edge onto the side surface to form an extending-around portion which extends at least 50 μm onto the side surface as measured in a direction perpendicular to the edge and ends at a leading edge remote from the edge. A portion of the extending-around area which extends 50 μm from the leading edge towards the edge has an average occupancy area ratio which is at least 25 but not greater than 75. The occupancy area ratio is the ratio between the area of the conductive component and an area of the inorganic component on the one hand to the area of the conductive component, the area of the inorganic component and the area of the voids on the other.

Abstract translation: 多层陶瓷电子部件包括具有端面和与其相邻的侧面的陶瓷体，使得端面和侧面在边缘相交。 陶瓷体具有多个内部电极，相邻的内部电极对由相应的陶瓷层分隔开。 含有金属，无机成分和空隙的外部电极与至少一些内部电极电连接并且两者都覆盖端面并且在边缘上方延伸到侧面上以形成延伸至少50°的延伸部分 微米在垂直于边缘的方向上测量的侧表面，并且在远离边缘的前缘处结束。 从前缘向边缘延伸50μm的延伸区域的一部分具有至少25但不大于75的平均占有面积比。占据面积比是导电部件的面积之比 无机成分的面积一方面与导电性成分的面积，无机成分的面积和空隙的面积相对应。