Title:
ANTENNA CORE AND METHOD FOR MANUFACTURING THE SAME, AND ANTENNA AND DETECTION SYSTEM USING THE SAME
Document Type and Number:
WIPO Patent Application WO/2010/073577
Kind Code:
A1
Abstract:
An antenna core is provided with a laminate having a plurality of thin strips of Co-based amorphous magnetic alloy, the ratio of the length of the long axis of said thin strips with respect to the length of the short axis being greater than 1. At least 60% of the thin strips (1) of Co-based amorphous magnetic alloy from this plurality of thin strips of Co-based amorphous magnetic alloy, in terms of the number of strips as a percentage, have a line-shaped mark (2A) formed along the long axis on at least one surface thereof. The antenna is provided with an antenna core and a winding that is wound along the long axis thereof.
Inventors:
SAITO, Tadao (Toshiba Corporation 1-1, Shibaura 1-chome, Minato-k, Tokyo 01, 〒1058001, JP)
斉藤忠雄 (〒01 東京都港区芝浦一丁目１番１号 株式会社 東芝 知的財産部内 Tokyo, 〒1058001, JP)
YAMADA, Katsuhiko (Toshiba Corporation 1-1, Shibaura 1-chome, Minato-k, Tokyo 01, 〒1058001, JP)
斉藤忠雄 (〒01 東京都港区芝浦一丁目１番１号 株式会社 東芝 知的財産部内 Tokyo, 〒1058001, JP)
YAMADA, Katsuhiko (Toshiba Corporation 1-1, Shibaura 1-chome, Minato-k, Tokyo 01, 〒1058001, JP)
Application Number:
JP2009/007045
Publication Date:
July 01, 2010
Filing Date:
December 21, 2009
Export Citation:
Assignee:
KABUSHIKI KAISHA TOSHIBA (1-1 Shibaura 1-chome, Minato-ku Tokyo, 01, 〒1058001, JP)
株式会社 東芝 (〒01 東京都港区芝浦一丁目１番１号 Tokyo, 〒1058001, JP)
TOSHIBA MATERIALS CO., LTD. (8 Shinsugita-cho, Isogo-ku Yokohama-sh, Kanagawa 22, 〒2358522, JP)
東芝マテリアル株式会社 (〒22 神奈川県横浜市磯子区新杉田町８番地 Kanagawa, 〒2358522, JP)
SAITO, Tadao (Toshiba Corporation 1-1, Shibaura 1-chome, Minato-k, Tokyo 01, 〒1058001, JP)
株式会社 東芝 (〒01 東京都港区芝浦一丁目１番１号 Tokyo, 〒1058001, JP)
TOSHIBA MATERIALS CO., LTD. (8 Shinsugita-cho, Isogo-ku Yokohama-sh, Kanagawa 22, 〒2358522, JP)
東芝マテリアル株式会社 (〒22 神奈川県横浜市磯子区新杉田町８番地 Kanagawa, 〒2358522, JP)
SAITO, Tadao (Toshiba Corporation 1-1, Shibaura 1-chome, Minato-k, Tokyo 01, 〒1058001, JP)
International Classes:
H01Q7/08; H01F1/153; H01F3/04; H01F41/02
Attorney, Agent or Firm:
SAKURA PATENT OFFICE, p.c. (Kanda Higashiyama Bldg, 1 Kandata-cho 2-chome, Chiyoda-k, Tokyo 46, 〒1010046, JP)
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