Composites for antennas and other applications

Composite material, devices incorporating the composite material and methods of forming the composite material are provided. The composite material includes interstitial material that has at least one of a select relative permittivity property value and a select relative permeability property value....

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Bibliographische Detailangaben
Hauptverfasser:	LAMBERG JOHN R, GAWRONSKI MICHAEL J, FULLER CHRISTOPHER C
Format:	Patent
Sprache:	eng
Schlagworte:	AMMUNITION AMMUNITION FUZES ANALOGOUS ARRANGEMENTS USING OTHER WAVES ANTENNAS, i.e. RADIO AERIALS ARMING OR SAFETY MEANS THEREFOR ARMOUR ARMOURED OR ARMED VEHICLES ARMOURED TURRETS BASIC ELECTRIC ELEMENTS BLASTING DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES ELECTRICITY HEATING LIGHTING LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL MEASURING MECHANICAL ENGINEERING OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION TESTING WEAPONS
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Beschreibung
Zusammenfassung:	Composite material, devices incorporating the composite material and methods of forming the composite material are provided. The composite material includes interstitial material that has at least one of a select relative permittivity property value and a select relative permeability property value. The composite material further includes inclusion material within the interstitial material. The inclusion material has at least one of a select relative permeability property value and a select relative permittivity property value. The select relative permeability and permittivity property values of the interstitial and the inclusion materials are selected so that the effective intrinsic impedance of the interstitial material and the inclusion material match the intrinsic impedance of air. Devices made from the composite include metamaterial and/or metamaterial-inspired (e.g., near-field LC-type parasitic) substrates and/or lenses, front-end protection, stealth absorbers, filters and mixers. Beyond the intrinsic, applications include miniature antennas and antenna arrays, directed energy weapons, EMI filters, RF and optical circuit components, among others.