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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 (4-14 Kyobashi 1-chome, Chuo-k, Tokyo 31, 〒1040031, JP)
廣田 泰丈 (〒31 東京都中央区京橋1丁目4番14号 株式会社フェローテック内 Tokyo, 〒1040031, JP)
KATSUMA, Kenichi (4-14 Kyobashi 1-chome, Chuo-k, Tokyo 31, 〒1040031, JP)
羯磨 賢一 (〒31 東京都中央区京橋1丁目4番14号 株式会社フェローテック内 Tokyo, 〒1040031, JP)
Application Number:
JP2010/069945
Publication Date:
May 12, 2011
Filing Date:
November 09, 2010
Export Citation:
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Assignee:
Ferrotec Corporation (4-14, Kyobashi 1-chome Chuo-k, Tokyo 31, 〒1040031, JP)
株式会社フェローテック (〒31 東京都中央区京橋1丁目4番14号 Tokyo, 〒1040031, JP)
HIROTA, Yasutake (4-14 Kyobashi 1-chome, Chuo-k, Tokyo 31, 〒1040031, JP)
廣田 泰丈 (〒31 東京都中央区京橋1丁目4番14号 株式会社フェローテック内 Tokyo, 〒1040031, JP)
KATSUMA, Kenichi (4-14 Kyobashi 1-chome, Chuo-k, Tokyo 31, 〒1040031, JP)
International Classes:
H01F1/37; B22F1/00; B22F1/02; H01F27/255; H01F41/02
Attorney, Agent or Firm:
NAGOYA INTERNATIONAL PATENT FIRM (Meishin Bldg, 20-19 Nishiki 1-chome, Naka-ku, Nagoya-sh, Aichi 03, 〒4600003, JP)
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