Title:
COMPOSITE MAGNETIC MATERIAL
Document Type and Number:
WIPO Patent Application WO2010109850
Kind Code:
A1
Abstract:
Disclosed is a composite magnetic material which is obtained by press molding a metal magnetic powder to which a binder has been added. The binder contains an acrylic resin that has a silyl group as a functional group. The composite magnetic material may be heat-treated at a temperature of 700-1000°C in a non-oxidizing atmosphere after the press molding. The composite magnetic material can be small-sized, is usable in high-frequency regions, and has adequate magnetic characteristics. Consequently, the composite magnetic material is useful for electromagnetic components such as inductors, choke coils and transformers.
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Inventors:
TAKAHASHI TAKESHI
WAKABAYASHI YUYA
WAKABAYASHI YUYA
Application Number:
PCT/JP2010/002046
Publication Date:
September 30, 2010
Filing Date:
March 24, 2010
Export Citation:
Assignee:
PANASONIC CORP (JP)
TAKAHASHI TAKESHI
WAKABAYASHI YUYA
TAKAHASHI TAKESHI
WAKABAYASHI YUYA
International Classes:
B22F3/02; B22F1/00; B22F3/00; B22F3/24; H01F1/24; C21D6/00; C22C19/03; C22C38/00
Foreign References:
| JPH11238613A | 1999-08-31 | |||
| JP2004253434A | 2004-09-09 | |||
| JP2006286743A | 2006-10-19 | |||
| JP2009041101A | 2009-02-26 |
Attorney, Agent or Firm:
NAITO, Hiroki et al. (JP)
Hiroki Naito (JP)
Hiroki Naito (JP)
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