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Assignee3M Innovative Properties Company
InventorsWataru Nakayama, Kazuhiko Mizuno, Kentaro Tamura, Akihiko Mitsui
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To provide an electromagnetic shielding material that has excellent shape following properties and can exhibit high electromagnetic wave shielding properties even in a deformed portion. A flexible magnetic film fabric (100) of one embodiment includes a plurality of first magnetic strips (10) extending in a first direction (11) and arranged substantially in parallel at a first pitch P1 along a second direction (12) orthogonal to the first direction (11); and a plurality of second magnetic strips (20) extending in a third direction (21) different from the first direction (11) and arranged substantially in parallel at a second pitch P2 along a fourth direction (22) orthogonal to the third direction (21). Each of the first magnetic strips (10) has a first average width W1, W1/P1 being from 0.05 to 0.98, and each of the second magnetic strips (20) has a second average width W2, W2/P2 being from 0.05 to 0.98.
A flexible magnetic film fabric (100) comprising:
A flexible magnetic film fabric (100) comprising a plurality of magnetic strips (10, 20) extending in at least two different directions (11, 21), each of the plurality of magnetic strips (10, 20) comprising at least two spaced-apart magnetic layers (40) stacked in a thickness direction of the magnetic strip (10, 20), wherein the flexible magnetic film fabric (100) is configured, when it is made to follow vertices or edges of a cube, to be reversibly deformable to the shape of the cube, without damage or with no substantial damage to the magnetic strip (10, 20).
Dependencies are inferred from the claim text.