A new method of magnetic shielding: Combination of flux repulsion and backing up magnetic pathways

Ichiro Sasada, Yoshihiro Nakashima

研究成果: Contribution to journalArticle査読

9 被引用数 (Scopus)

抄録

The guiding principle of the magnetic shield is to redirect magnetic fluxes so that they do not enter an area of interest. There are two ways to do this: the one way is to provide magnetic fluxes with good pathways and the other way is to use repulsive forces acting on the magnetic flux. In this paper, a new method of magnetic shielding combining the above two is proposed. A circulating current and a thin magnetic plate working as a back yoke are the key components. Repulsive forces that act on the magnetic fluxes originating from a noise source are present only on one side of a thin back yoke. By enclosing an area to be shielded with several of those, one can make a magnetic shield in which thin magnetic plates are not necessarily connected. Several numerical examples as well as experimental results are given to demonstrate this idea.

本文言語英語
論文番号07E932
ジャーナルJournal of Applied Physics
103
7
DOI
出版ステータス出版済み - 2008

All Science Journal Classification (ASJC) codes

  • 物理学および天文学(全般)

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