| 摘要 |
PROBLEM TO BE SOLVED: To provide a hollow type solid electromagnetic wave absorption material which forms the adhering slope of an electromagnetic wave loss material by a single layer, by using a low density porous board becoming relatively easy to regulate the adhering amount of the electromagnetic wave loss material and having good electromagnetic wave absorbing characteristics by the single layer. SOLUTION: The solid electromagnetic wave absorption material includes an electromagnetic wave absorbing layer constituted by adhering the electromagnetic wave loss material to a porous board having a density of 32 kg/m<SP>3</SP>or less, so as to have an adhering slope to reduce the amount of the adhesion of the incident side in its thickness direction. This electromagnetic wave absorbing layer is held in a holding member to hold a desired solid shape. COPYRIGHT: (C)2005,JPO&NCIPI
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