Characteristics of Inner-Coil-Type Thin-Film Inductors with no Insulation between Magnetic Films and Conductors

M. Yamaguchi; S. Arakawa; K. I. Arai

doi:10.1109/TJMJ.1994.4565859

Characteristics of Inner-Coil-Type Thin-Film Inductors with no Insulation between Magnetic Films and Conductors

M. Yamaguchi, S. Arakawa, K. I. Arai

New Industry Creation Hatchery Center (NICHe)

Tohoku University

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

This paper deals with the maximum quality factor in relation to the dimensions of an inner-coil type thin-film inductor with a closed magnetic circuit. We used an equivalent circuit, taking into account of flux distribution and eddy currents in the magnetic film as well as stray capacitances. The proposed inductor yields the maximum quality factor Qmax=32 at f=20 MHz. The quality factor is mainly determined by the iron loss in the magnetic film.

Original language	English
Pages (from-to)	52-60
Number of pages	9
Journal	IEEE Translation Journal on Magnetics in Japan
Volume	9
Issue number	3
DOIs	https://doi.org/10.1109/TJMJ.1994.4565859
Publication status	Published - 1994

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Characteristics of Inner-Coil-Type Thin-Film Inductors with no Insulation between Magnetic Films and Conductors

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