GLASS-CERAMIC HAVING AT LEAST TWO CRYSTAL PHASES, PROCESS FOR PRODUCING A GLASS-CERAMIC AND ITS USE

A glass-ceramic having at least two crystal phases, wherein at least one crystal phase has a positive temperature dependence of the resonance frequency tauf, at least one crystal phase has a negative temperature dependence of the resonance frequency tauf and the glass-ceramic has a resulting tempera...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SEILER DANIELA, KLUGE MICHAEL, LETZ MARTIN, DRESSLER MARTINA, HOPPE BERND, KNOENER STEPHAN
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS MANUFACTURE OR TREATMENT OF NANOSTRUCTURES MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES METALLURGY MINERAL OR SLAG WOOL NANOTECHNOLOGY PERFORMING OPERATIONS SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS TRANSPORTING
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Beschreibung
Zusammenfassung:	A glass-ceramic having at least two crystal phases, wherein at least one crystal phase has a positive temperature dependence of the resonance frequency tauf, at least one crystal phase has a negative temperature dependence of the resonance frequency tauf and the glass-ceramic has a resulting temperature dependence of the resonance frequency tauf of 0 ppm/K with a maximum deviation of +/-20 ppm/K, is described. Furthermore, a process for producing such a glass-ceramic and the use of the glass-ceramic are described.