Title:
MAGNETIC MEMBER AND ELECTRONIC PARTS
Document Type and Number:
WIPO Patent Application WO/2011/055845
Kind Code:
A1
Abstract:
Provided is a magnetic member comprising a plurality of superparamagnetic particles held by the magnetic member, wherein each of the plurality of superparamagnetic particles is formed with a particle diameter prescribed so that at least the Neel relaxation time (τn) of each of the superparamagnetic particles is shorter than the cycle (P) of the AC magnet field to be applied to the magnetic member when the magnetic member is to be used as an electronic part (τn < P).
Inventors:
HIROTA YASUTAKE (JP)
KATSUMA KENICHI (JP)
HIROOKA MASATAKE (JP)
HACHIDA TAKAYUKI (JP)
KATSUMA KENICHI (JP)
HIROOKA MASATAKE (JP)
HACHIDA TAKAYUKI (JP)
Application Number:
PCT/JP2010/069945
Publication Date:
May 12, 2011
Filing Date:
November 09, 2010
Export Citation:
Assignee:
FERROTEC CORP (JP)
HIROTA YASUTAKE (JP)
KATSUMA KENICHI (JP)
HIROOKA MASATAKE (JP)
HACHIDA TAKAYUKI (JP)
HIROTA YASUTAKE (JP)
KATSUMA KENICHI (JP)
HIROOKA MASATAKE (JP)
HACHIDA TAKAYUKI (JP)
International Classes:
H01F1/37; B22F1/054; H01F27/255; H01F41/02
Foreign References:
| JP2006310369A | 2006-11-09 | |||
| JPH03163805A | 1991-07-15 | |||
| JP2006303298A | 2006-11-02 | |||
| JPH04188705A | 1992-07-07 | |||
| JPH0425102A | 1992-01-28 |
Other References:
See also references of EP 2500916A4
Attorney, Agent or Firm:
NAGOYA INTERNATIONAL PATENT FIRM (JP)
Nagoya international patent business corporation (JP)
Nagoya international patent business corporation (JP)
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