Dense ceramic alloys and process of making same

A method of fine-tuning the dielectric constant value of an insulating ceramic alloy, and the resulting alloy, and uses thereof, are disclosed. The alloy has the general formula: MgxAlyTizO4 wherein x+y+z=3 x=1-2 y=0.1-1.9 z=0.1-0.9 and is preferably made from 10 to 90 mol percent of magnesium titan...

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Bibliographische Detailangaben
Hauptverfasser:	DOMINGUES, LOUIS P, NEGAS, TAKI
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE 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 GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS LIME, MAGNESIA MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS METALLURGY PRINTED CIRCUITS REFRACTORIES SLAG 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 TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	A method of fine-tuning the dielectric constant value of an insulating ceramic alloy, and the resulting alloy, and uses thereof, are disclosed. The alloy has the general formula: MgxAlyTizO4 wherein x+y+z=3 x=1-2 y=0.1-1.9 z=0.1-0.9 and is preferably made from 10 to 90 mol percent of magnesium titanate and 90 to 10 mol percent of magnesium aluminate. The mole ratio of the titanate to the aluminate in the alloy is varied in order to vary the value of the dielectric constant of the alloy. The alloy has a density which is at least 98% of the theoretical density of the alloy, and a dielectric constant of 8.5 to 13.8. The alloy can be used in applications wherein dielectric materials have previously been utilized, such as a substrate for an electrical circuit.