METHOD FOR PRODUCING GLASS CERAMIC SUBSTRATE

PROBLEM TO BE SOLVED: To provide a method for producing a glass ceramic substrate, capable of improving the quality of a glass ceramic substrate by stably adjusting the crystallization temperature of glass ceramic raw material to a proper temperature. SOLUTION: A mixture of a CaO-Al2O3-SiO2-B2O3-bas...

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Hauptverfasser:	ADACHI SATOSHI, NOZAKI TOSHIO, MINO KATSUJI
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:	PROBLEM TO BE SOLVED: To provide a method for producing a glass ceramic substrate, capable of improving the quality of a glass ceramic substrate by stably adjusting the crystallization temperature of glass ceramic raw material to a proper temperature. SOLUTION: A mixture of a CaO-Al2O3-SiO2-B2O3-based glass powder and an alumina powder is used as a ceramic raw material A to become a base raw material. The ceramic raw material A is calcined at 800-1,000°C, preferably 875-925°C and ground to give a calcined raw material. The calcined raw material thus obtained comprises a large amount of precipitated anorthite. The calcined raw material is added and mixed with the uncalcined original ceramic raw material A, so as to adjust the crystallization temperature of the compounded raw material. The glass ceramic substrate is calcined by using the mixed raw material. COPYRIGHT: (C)2010,JPO&INPIT