Title:
LAMINATED COIL COMPONENT
Document Type and Number:
WIPO Patent Application WO/2014/092114
Kind Code:
A1
Abstract:
Provided is a laminated coil component that exhibits excellent DC superimposition characteristics and can use copper, which is inexpensive, as an internal conductor. Said laminated coil component has the following: a magnetic body comprising a ferrite material; a non-magnetic body comprising a non-magnetic ferrite material; and a conductive part consisting primarily of a coil of copper embedded inside the magnetic body and the non-magnetic body. The non-magnetic body contains at least iron, manganese, and zinc, and may optionally contain copper. In terms of Fe2O3, the iron content of the non-magnetic body is between 40.0 mol% and 48.5 mol%, inclusive; in terms of Mn2O3, the manganese content of the non-magnetic body is between 0.5 mol% and 9 mol%, inclusive; and in terms of CuO, the copper content of the non-magnetic body is at most 8 mol%.
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Inventors:
OKADA YOSHIKO (JP)
Application Number:
PCT/JP2013/083186
Publication Date:
June 19, 2014
Filing Date:
December 11, 2013
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
H01F17/04; H01F1/34; H01F17/00; H01F41/02
Domestic Patent References:
| WO2011108701A1 | 2011-09-09 | |||
| WO2009087928A1 | 2009-07-16 |
Foreign References:
| JP2006216636A | 2006-08-17 | |||
| JP2007091539A | 2007-04-12 | |||
| JPH0950929A | 1997-02-18 |
Attorney, Agent or Firm:
SAMEJIMA, Mutsumi et al. (JP)
Mutsumi Sameshima (JP)
Mutsumi Sameshima (JP)
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