Title:
LAMINATED INDUCTOR
Document Type and Number:
WIPO Patent Application WO/2014/069050
Kind Code:
A1
Abstract:
Provided is a laminated inductor with which the number of layers sandwiching a non-magnetic material layer can be reduced, and which can improve direct current superposition properties without the intentional provision of gaps. Among the peripheral edge parts of a conductive pattern (31), the portions adjacent to end face electrodes (75, 76, 95, 96) are indented toward the inner side in planar view. Namely, the wire is narrower at said portions. In addition, a non-magnetic material paste (35) is formed in between the end face electrodes and the outer peripheral edge parts of the portions of the conductive pattern (31) in which the wire is narrower. Thus, by applying the non-magnetic material paste (35) in the gaps between the conductive pattern (31) and the end face electrodes, the portions where the non-magnetic material paste (35) has been applied have the same functions as if a non-magnetic ferrite layer (13) had been inserted.
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Inventors:
YOKOYAMA TOMOYA (JP)
HAYASHI SHIGETOSHI (JP)
HAYASHI SHIGETOSHI (JP)
Application Number:
PCT/JP2013/069587
Publication Date:
May 08, 2014
Filing Date:
July 19, 2013
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H01F17/00; H01F17/04
Domestic Patent References:
| WO2010150602A1 | 2010-12-29 | |||
| WO2009150921A1 | 2009-12-17 | |||
| WO2012144103A1 | 2012-10-26 | |||
| WO2012140805A1 | 2012-10-18 |
Foreign References:
| JP2011091269A | 2011-05-06 | |||
| JP2007281379A | 2007-10-25 |
Attorney, Agent or Firm:
Kaede Patent Attorneys' Office (JP)
Patent business corporation Kaede Patent Attorneys' Office (JP)
Patent business corporation Kaede Patent Attorneys' Office (JP)
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