Desktop shielding system

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

研究成果: ジャーナルへの寄稿学術誌査読

1 被引用数 (Scopus)


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.

ジャーナルIEEE Transactions on Magnetics
出版ステータス出版済み - 8月 2 2013

All Science Journal Classification (ASJC) codes

  • 電子材料、光学材料、および磁性材料
  • 電子工学および電気工学


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