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Journal of the Magnetics Society of Japan
Vol. 36 (2012) No. 3 p. 229-234

記事言語:

http://doi.org/10.3379/msjmag.1203R004

計測,高周波デバイス

  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.

Copyright © 2012 (社)日本磁気学会

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