RADIO WAVE ABSORBING BODY

PURPOSE:To provide a radio wave absorbing body which displays a very excellent radio wave absorbing capacity in a wide band of 30-1000MHz and can be optionally set in frequency band and absorbing characteristics even if it is formed 10mm or below in thickness. CONSTITUTION:Ferrite thin plates of dif...

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Bibliographische Detailangaben
Hauptverfasser:	TSURUTOME TOSHITAKA, IMAI SADAHIRO, MIYAUCHI KATSUHITO
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE BASIC ELECTRIC ELEMENTS CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY INDUCTANCES LIME, MAGNESIA MAGNETS MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS METALLURGY PRINTED CIRCUITS REFRACTORIES SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES SLAG TRANSFORMERS TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	PURPOSE:To provide a radio wave absorbing body which displays a very excellent radio wave absorbing capacity in a wide band of 30-1000MHz and can be optionally set in frequency band and absorbing characteristics even if it is formed 10mm or below in thickness. CONSTITUTION:Ferrite thin plates of different materials are laminated to constitute a radio wave absorbent, where a range of impedance required to set a radio wave absorbent in frequency band and its absorbing characteristics larger than -20dB is determined, and ferrite which is in the range of impedance concerned is selected or rubber ferrite or plastic ferrite is adequately selected in content ratio. By this setup, a radio wave absorbent having a radio wave absorbing characteristic in a required wide frequency band can be obtained.