Composite substrates and their production

A composite substrate is provided, which comprises a cordierite-anorthite-boron base composite material and has a microstructure with anorthite included in the cordierite phase. This substrate can be used in the form of a circuit substrate, because it has high-enough mechanical strength, a coefficie...

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Bibliographische Detailangaben
Hauptverfasser:	ARAI, HIROSHI, ISMAIL, MORHUDUN G. M. U, NAKAI, ZENJIRO
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 LIME, MAGNESIA MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS METALLURGY PRINTED CIRCUITS REFRACTORIES SLAG TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	A composite substrate is provided, which comprises a cordierite-anorthite-boron base composite material and has a microstructure with anorthite included in the cordierite phase. This substrate can be used in the form of a circuit substrate, because it has high-enough mechanical strength, a coefficient of thermal expansion close to that of silicon and a decreased dielectric constant and, moreover, can be sintered at a low temperature.