Title:
FERRITE UNIT AND PANEL FOR ABSORBING RADIO WAVE
Document Type and Number:
Japanese Patent JP2000138490
Kind Code:
A
Abstract:
To provide a radio wave absorbing panel construction for both VHF and UHF which can be made lightweight and to provide a radio wave absorbing ferrite unit for such a radio absorbing panel.
Plural ferrite bars 3 are placed in sequence in one direction with spacing in their vertical direction and are integrated by foamed resin material 4 to form a radio wave absorbing ferrite unit 5. A ferrite bar 3 is 35 mm wide or smaller and 22 mm thick or smaller and its width A is equal to or larger than its thickness B (A≥B). Its gap ratio is 44-83%.
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Inventors:
TANIGUCHI NAONOBU
FUKUDA KUNIO
TAMAKAI TOSHIYUKI
TANAKA TOSHIHIKO
FUKUDA KUNIO
TAMAKAI TOSHIYUKI
TANAKA TOSHIHIKO
Application Number:
JP30828298A
Publication Date:
May 16, 2000
Filing Date:
October 29, 1998
Export Citation:
Assignee:
HITACHI METALS LTD
International Classes:
H05K9/00; (IPC1-7): H05K9/00