| 摘要 |
The present invention relates to a multilayer casing device (I) for attenuating electromagnetic waves. Said device is made of at least one textile material and at least one metal material and is characterized in that it is made up of a stack provided with at least, consecutively from the inside to the outside: a first diamagnetic metal material layer (2) at least partially made of copper; a second textile layer (3) at least partially made of wool or cotton; a third layer (4) made of a ferromagnetic material; and a fourth textile layer (5) at least partially made of wool and cotton. Said device is also characterized in that it is made up of a complementary stack of identical layers (3, 4, 5) extending symmetrically in relation to said first copper layer (2).
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