A New Planar Inductor with Magnetic Closed CircuiT

K. Shirakawa; H. Kurata; J. Toriu; H. Matsuki; K. Murakami

doi:10.1109/20.278862

A New Planar Inductor with Magnetic Closed CircuiT

K. Shirakawa, H. Kurata, J. Toriu, H. Matsuki, K. Murakami

New Industry Creation Hatchery Center (NICHe)

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

16 Citations (Scopus)

Abstract

In planar micro inductors with magnetic cores, an important problem is to deduce the demagnetization in order to increase the inductance per unit area. From this point of view, planar inductors containing thin film magnetic open and solid closed circuit cores are made and discussed. On the basis of these results, we propose a new type planar inductor. In the new type inductor, 24–72 small solid magnetic closed cores are connected and excited by two turn coils. The resonant frequency from this device is higher than that of a planar inductor containing the same magnetic core volume.

Original language	English
Pages (from-to)	5432-5434
Number of pages	3
Journal	IEEE Transactions on Magnetics
Volume	27
Issue number	6
DOIs	https://doi.org/10.1109/20.278862
Publication status	Published - 1991 Nov

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

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10.1109/20.278862

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AU - Murakami, K.

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AB - In planar micro inductors with magnetic cores, an important problem is to deduce the demagnetization in order to increase the inductance per unit area. From this point of view, planar inductors containing thin film magnetic open and solid closed circuit cores are made and discussed. On the basis of these results, we propose a new type planar inductor. In the new type inductor, 24–72 small solid magnetic closed cores are connected and excited by two turn coils. The resonant frequency from this device is higher than that of a planar inductor containing the same magnetic core volume.

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A New Planar Inductor with Magnetic Closed CircuiT

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