To solve the problem that a behavior of reflection in an end part is complicated and it is difficult to predict and thus a countermeasure is difficult to take since a radio wave which is made incident on a flat part of a member 90 reflecting the arrived radio wave is absorbed by a radio wave absorption layer 10 arranged on the member 90 and a reflected wave does not exist if the layer 10 is ideal but the radio wave which is obliquely made incident on a reflection layer 30 of a conductive material that is not covered by the radio wave absorption layer 10 is reflected at the end of the member 90 and it has adverse effects on a peripheral electronic system.
In a radio wave absorption composite material 20, a different type of an electronic wave absorption layer absorbing the arrived radio wave by covering the end of the member 90 reflecting the arrived radio wave at the end is compounded.
SAKAKIBARA MASAHIKO
MORIYAMA YOSHIYUKI
NUMATA TOSHIO
HITACHI METALS KIKO CO LTD
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