To provide a frame body of a radiowave absorber capable of satisfying required performance such as a dynamic characteristic, radiowave performance and a perspective property; and to provide a construction method of a radiowave absorber.
The frame body 30 of a radiowave absorber 10 is composed of a base part of a shape corresponding to the outline of the radiowave absorber 10, and a plurality of cross-sectionally L-shaped claw parts 36 formed at predetermined intervals on an edge part of the base part on a radiowave entering surface side, and abutting on an edge part of the radiowave absorber 10 to support the radiowave absorber 10. The length (a) of the claw part 36 is set to satisfy a2 with respect to a radio wavelength ; the width (b) of the claw part is set to satisfy b15 mm; and a claw rate (c) (a/(a+clearance length d of an adjacent claw part)) is set to satisfy c60%.
UCHIDA TOSHIO
SAKURAI MASAYUKI
KIKUCHI SATORU
ASAHI BUILDING WALL CO LTD
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