GLASS CERAMIC AND METHOD FOR PRODUCING THE SAME

A glass-ceramic containing (wt.% on oxide):SiO2 (35-60), Ba2O3 (greater than 4-10), P2O5 (0-10), Al2O3 (16.5-40), TiO2(1-10), Ta2O5 (0-8), Y2O3 (0-6), ZrO2 (1-10), MgO (6-20), CaO (0-10), SrO (0-4), BaO (0-8), ZnO (0-4), SnO2+CeO2 (0-4), and SO42-+Cl- (0-4). Independent claims are included for: (1)...

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Bibliographische Detailangaben
Hauptverfasser:	DIRK SPRENGER DR, RAINER LIEBALD, MEIKE SCHNEIDER DR, THILO ZACHAU DR
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY FREQUENCY-CHANGING GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS METALLURGY MINERAL OR SLAG WOOL NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS SEMICONDUCTOR DEVICES SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	A glass-ceramic containing (wt.% on oxide):SiO2 (35-60), Ba2O3 (greater than 4-10), P2O5 (0-10), Al2O3 (16.5-40), TiO2(1-10), Ta2O5 (0-8), Y2O3 (0-6), ZrO2 (1-10), MgO (6-20), CaO (0-10), SrO (0-4), BaO (0-8), ZnO (0-4), SnO2+CeO2 (0-4), and SO42-+Cl- (0-4). Independent claims are included for: (1) a method for preparation of the glass-ceramic by melting a composition containing (wt.5 on oxide):SiO2 (35060), B2O3 (greater than 4-10), P2O5 (0-10), Al2O3 (16.5-40), TiO2 (1-10, and Y2O3 (0-6), where the heat treatment during ceramic production is controlled so that an yttrium-containing crystal phase is produced, e.g. a spinel and/or sapphire and/or cordierite (sic) phase; (2) a semiconductor substrate based on the glass-ceramic; (3) a solid plate storage substrate based on the glass-ceramic; (4) an optical display with a transparent glass-ceramic substrate; (5) a semiconductor structural element, especially a diode or thin film transistor with at least one glass-ceramic; (6) a flat computer monitor with at least one glass ceramic; (7) a light active semiconductor element, especially a solar cell, with a glass-ceramic substrate.