金属磁性膜を用いたRF集積化伝送線路デバイスの研究動向

概要

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Recently, RF integrated transmission-line devices using metallic magnetic thin films have been developed, and are expected to be applied to various communication systems such as cellular phones and other microwave circuits in the future. Two types of devices have been developed: ferromagnetic resonance devices using (100)Fe/GaAs, and short line-length transmission-lines using high-permeability metallic magnetic films. The former devices made use of FMR absorption functioning as a band stop filter. Since the latter devices with magnetic/dielectric hybrid structure had a large effect of wavelength shortening, miniaturization of the various quarter-wavelength devices has been expected. This paper describes recent progress in RF transmission-line devices using metallic magnetic thin films.
社団法人日本磁気学会の論文
2003-01-01