公开(公告)号：EP2051263A1

公开(公告)日：2009-04-22

申请号：EP07706545.6

申请日：2007-01-11

申请人： Murata Manufacturing Co. Ltd.

发明人： ITO, Yoichiro ,  NAITO, Osamu

IPC分类号： H01F17/00 ,  H01F17/02 ,  H01F41/04

CPC分类号： B32B27/30 ,  B32B27/04 ,  H01F17/0013 ,  H01F2017/0066 ,  H01F2017/0093 ,  Y10T428/31504 ,  Y10T428/31678

摘要： DC bias characteristics of an open magnetic circuit type layered coil component are improved.
A layered coil component (1) includes a coil that is constructed by layering coil conductor patterns (5) and ceramic sheets. The ceramic sheets include a first ceramic sheet and a third ceramic sheet (4) having a permeability lower than the permeability of the first ceramic sheet. The third ceramic sheet (4) has an arrangement that is astride at least two of the coil conductor patterns (5) adjacent to each other in a layering direction, in a section including a coil axis of the coil (L).

摘要翻译： 提高了开路磁路型层叠线圈部件的直流偏压特性。 层叠线圈部件（1）包括通过层叠线圈导体图案（5）和陶瓷片材而构成的线圈。 陶瓷片包括第一陶瓷片和第三陶瓷片（4），其具有比第一陶瓷片的导磁率低的透过率。 第三陶瓷片（4）在包括线圈（L）的线圈轴的部分中，具有在层叠方向上跨过彼此相邻的线圈导体图案（5）中的至少两个的布置。

公开(公告)号：EP2051263B1

公开(公告)日：2018-12-26

申请号：EP07706545.6

申请日：2007-01-11

申请人： Murata Manufacturing Co., Ltd.

发明人： ITO, Yoichiro ,  NAITO, Osamu

IPC分类号： H01F17/00 ,  H01F17/02 ,  H01F41/04

CPC分类号： B32B27/30 ,  B32B27/04 ,  H01F17/0013 ,  H01F2017/0066 ,  H01F2017/0093 ,  Y10T428/31504 ,  Y10T428/31678

摘要： DC bias characteristics of an open magnetic circuit type layered coil component are improved. A layered coil component (1) includes a coil that is constructed by layering coil conductor patterns (5) and ceramic sheets. The ceramic sheets include a first ceramic sheet and a third ceramic sheet (4) having a permeability lower than the permeability of the first ceramic sheet. The third ceramic sheet (4) has an arrangement that is astride at least two of the coil conductor patterns (5) adjacent to each other in a layering direction, in a section including a coil axis of the coil (L).