Broad band camouflage screen having a frequency dependent radar attenuation

A conventional broad-band camouflage material comprising a base layer, a reflective metal layer and a paint layer which imitates the visible and near IR spectral reflective properties of a natural background and contains binders which are transparent in the far IR range, is improved in the radar spe...

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Bibliographische Detailangaben
Hauptverfasser:	PUSCH, GUNTER
Format:	Patent
Sprache:	eng
Schlagworte:	ARMOUR ARMOURED OR ARMED VEHICLES ARMOURED TURRETS BLASTING GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM LIGHTING MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL MECHANICAL ENGINEERING PERFORMING OPERATIONS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	A conventional broad-band camouflage material comprising a base layer, a reflective metal layer and a paint layer which imitates the visible and near IR spectral reflective properties of a natural background and contains binders which are transparent in the far IR range, is improved in the radar spectral range by providing the metal layer in the form of spaced squares or rectangles whose long dimension is smaller than 1/2 lambda of the largest radar wavelength used for reconnaissance and larger than 1/2 lambda of the radar wavelength used for homing missiles and bullets. The base layer consists of woven strips of polyethylene material forming squares or rectangles which are metallized on both sides and then covered with polyethylene film coated with liquid polyethylene adhesive. The adhesive fills in the spaces between the strips thus isolating the squares or rectangles from each other and preventing conductivity.