| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electromagnetic shielding sheet having excellent magnetic field shielding characteristics even if the sheet is reduced in thickness, which solves such a problem that, since the use of a thin conductive sheet lowers a magnetic field shielding effect, the thickness of the conductive sheet should be increased to some extent, and as a result, it is difficult to completely seal electronic parts because of the poor flexibility of the sheet, thus failing to obtain the high shielding effect. Ž<P>SOLUTION: The electromagnetic shielding sheet includes a laminate film formed by laminating ferromagnetic layers 2 between conductive layers 1 formed of a non-magnetic material. The ferromagnetic layer 2 has electric field/magnetic field shielding effects in both cases that μF is a positive value and where the μF is a negative value when the μF is the specific magnetic permeability of a ferromagnetic material. The electric field/magnetic field shielding effects become greater as the absolute value of the μF becomes greater. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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