Glass composition, glass plate for chemical strengthening, tempered glass plate, and tempered glass substrate for displays

This glass composition contains, as indicated in mol%, from 58% to less than 70% SiO2, 0-14% B2O3, 10-16% Al2O3, 0-12.5% MgO, 0-11% CaO, 0-3% SrO, 0-3% ZnO, 4.5-11% Li2O, 0-2% Na2O, 2-7% K2O, 0-0.8% TiO2, 0-0.5% ZrO2, and 0-0.2% SnO2, with Li2O + Na2O + K2O being within the range of 6.5-13%. This gl...

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Bibliographische Detailangaben
Hauptverfasser:	KURACHI JUNJI, MIYABE DAISUKE
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	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 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 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:	This glass composition contains, as indicated in mol%, from 58% to less than 70% SiO2, 0-14% B2O3, 10-16% Al2O3, 0-12.5% MgO, 0-11% CaO, 0-3% SrO, 0-3% ZnO, 4.5-11% Li2O, 0-2% Na2O, 2-7% K2O, 0-0.8% TiO2, 0-0.5% ZrO2, and 0-0.2% SnO2, with Li2O + Na2O + K2O being within the range of 6.5-13%. This glass composition is suited to production by the float method, and is also suited to chemical strengthening. This glass composition has a low thermal expansion coefficient, and has properties suitable for substrate glass for displays. 本发明的玻璃组合物，以摩尔％表示，含有SiO：58％以上并低于70％、BO：0～14％、AlO：10～16％、MgO：0～12.5％、CaO：0～11％、SrO：0～3％、ZnO：0～3％、LiO：4.5～11％、NaO：0～2％、KO：2～7％、TiO：0～0.8％、ZrO：0～0.5％、SnO：0～0.2％，LiO+NaO+KO处于6.5～13％的范围。本发明的玻璃组合物，适于由浮法制造，并且，适于化学强化。另外，本发明的玻璃组合物的热膨胀系数小，本发明的玻璃组合物具有适合于显示器用基板玻璃的特性。