NOVEL CERAMIC FERROELECTRIC COMPOSITE MATERIAL - BSTO-MGO

A novel ceramic ferroelectric material having a low dielectric constant, extremely low loss and high tunability. The material is a composite comprising Barium Strontium Titanate (BSTO) and a ceramic material having a low dielectric constant. The preferred composite is represented by Ba1-xSrxTiO3-MgO...

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Bibliographische Detailangaben
Hauptverfasser:	NGO, ERIC, LANCTO, ROBERT, STOWELL, STEVEN, SENGUPTA, LOUISE C, O'DAY, MICHELINA E
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ANTENNAS, i.e. RADIO AERIALS ARTIFICIAL STONE BASIC ELECTRIC ELEMENTS CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE ELECTRICITY LIME, MAGNESIA METALLURGY REFRACTORIES SLAG TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	A novel ceramic ferroelectric material having a low dielectric constant, extremely low loss and high tunability. The material is a composite comprising Barium Strontium Titanate (BSTO) and a ceramic material having a low dielectric constant. The preferred composite is represented by Ba1-xSrxTiO3-MgO, wherein x is greater than 0.00, but less than or equal to 0.75, and wherein the percent weight ratio between Ba1-xSrxTiO3 and MgO ranges from approximately 99 % - 40 % and 1 % - 60 %, respectively. The novel materials possess superior electronic properties; and they may be employed in various antenna systems at both microwave and millimeter wave range frequencies.