GLASS SUBSTRATE FOR INFORMATION RECORDING MEDIUM

A glass substrate for an information recording medium of the present invention has a glass composition in which specific content ranges of constituent components are satisfied, and in mol%, the following conditions: SiO2+A12O3+B2O3: 67 to 82%; Li2O+Na2O+K2O: 8 to 20%; and MgO+CaO+SrO+BaO+ZnO: 10 to...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Hauptverfasser:	KAJITA, Hiroshi, SHIMAZU, Noriko
Format:	Patent
Sprache:	eng
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
Online-Zugang:	Volltext bestellen
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	A glass substrate for an information recording medium of the present invention has a glass composition in which specific content ranges of constituent components are satisfied, and in mol%, the following conditions: SiO2+A12O3+B2O3: 67 to 82%; Li2O+Na2O+K2O: 8 to 20%; and MgO+CaO+SrO+BaO+ZnO: 10 to 28% are satisfied, and the following ratios: 0.85