Desktop shielding system

A. Mahgoub, I. Sasada, T. Takeda, M. Shimada

研究成果: Contribution to journalArticle査読

1 被引用数 (Scopus)

抄録

A new active shielding system, which can be operated on a desktop, is developed with two identical separate magnetic shells: cap shell and cup shell. Shells are axis-symmetric and made of fiber-reinforced plastic (FRP) layers and 20 layers of magnetic sheets sandwiched with the FRP layers. A ring coil for the active compensation is attached to both of the shells so that the axial component of the magnetic field can be shielded at the center space between two shells. This shielding system may be useful in such a case where a single component of the magnetic field from samples needs to be measured for detecting important information. Furthermore, due to the opening at all along the shell edge, samples can be continuously conveyed to the measurement point in the shield. The shielding performance has been investigated numerically for various design parameters and confirmed experimentally. The shielding factor (SF) achieved at low frequency is very high as it reaches 3162 at 1 Hz and it is as high as 100 at 100 Hz.

本文言語英語
論文番号6559324
ページ(範囲)4124-4127
ページ数4
ジャーナルIEEE Transactions on Magnetics
49
7
DOI
出版ステータス出版済み - 8 2 2013

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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