Slit-patterned CoNbZrNbCoNbZr magnetic film for rf noise suppressor

Shinji Ikeda, Ki Hyeon Kim, Masahiro Yamaguchi

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)


In this paper, we discuss the elimination of magnetic closure domains in a micropatterned film in order to have the desired loss generation profile against the operating frequency and describe a demonstration of the rf loss generation profile over a thin-film coplanar transmission line using micropatterned films with various slit designs. It was demonstrated that the micropatterned film causes loss in the transmission line in a narrow frequency band and the loss ratio in the other bands is smaller than in the nonpatterned film we measured. The peak frequency of loss generation is controllable according to the pattern dimension of the magnetic film. This technique is useful as a notch filter for integrated transmission lines.

Original languageEnglish
Article number10F912
JournalJournal of Applied Physics
Issue number10
Publication statusPublished - 2005 May 15


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