High strain point glasses

A family of titania lanthana aluminosilicate glasses, and products such as an electronic device having a poly-silicon coating on such glass as a substrate, are disclosed. The glasses have a strain point in excess of 780° C., a coefficient of thermal expansion of 20-60x10-7/°C., a Young's modulu...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	PAULSON, THOMAS EDWARD, AITKEN, BRUCE GARDINER, ELLISON, ADAM JAMES GILLMAR, BOCKO, PETER LAWRENCE
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS METALLURGY MINERAL OR SLAG WOOL SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS
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Beschreibung
Zusammenfassung:	A family of titania lanthana aluminosilicate glasses, and products such as an electronic device having a poly-silicon coating on such glass as a substrate, are disclosed. The glasses have a strain point in excess of 780° C., a coefficient of thermal expansion of 20-60x10-7/°C., a Young's modulus of greater than 12 mpsi and are chemically durable.