Journal of the Magnetics Society of Japan
Online ISSN : 1882-2932
Print ISSN : 1882-2924
計測,高周波デバイス
永久磁石膜の直流バイアス磁界を用いたチューナブル磁気デバイスの基礎検討
結城 恵曽根原 誠佐藤 敏郎池田 賢司
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ジャーナル オープンアクセス

36 巻 (2012) 3 号 p. 229-234

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  A tunable coplanar resonator using a combination of high-permeability soft magnetic thin film/permanent magnet film was fabricated and evaluated. The magnetic pole based on the remanent magnetization of permanent magnet film, which is controlled by a pulse-current magnetization scheme, generates a dc bias magnetic field in the soft magnetic film. Consequently, the permeability of the soft magnetic film can be controlled by changing the pulse-current magnetization for the permanent magnet film. A scheme to control the permeability of the soft magnetic film is described here, and fabrication and evaluation of the tunable coplanar-resonator are also explained.

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© 2012 (社)日本磁気学会
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