TEMPERED GLASS AND METHOD OF MANUFACTURING THE SAME

PROBLEM TO BE SOLVED: To provide tempered glass that meets conventional prescribed properties and is easily disrupted into a plurality of tempered glass pieces by etching.SOLUTION: Tempered glass includes a compressive stress layer on its surface. The glass composition includes, in mol%, 45 to 75% S...

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Bibliographische Detailangaben
Hauptverfasser:	MURATA TAKASHI, KOMAI TAKAKO
Format:	Patent
Sprache:	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 MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES 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:	PROBLEM TO BE SOLVED: To provide tempered glass that meets conventional prescribed properties and is easily disrupted into a plurality of tempered glass pieces by etching.SOLUTION: Tempered glass includes a compressive stress layer on its surface. The glass composition includes, in mol%, 45 to 75% SiO, 3 to 15% AlO, 0 to 12% LiO, 0.3 to 20% NaO, 0 to 10% KO, and 1 to 15% of MgO+CaO. The molar ratio (AlO+NaO+PO)/SiOis 0.1 to 1. The molar ratio (BO+NaO)/SiOis 0.1 to 1. The molar ratio PO/SiOis 0 to 1. The molar ratio AlO/SiOis 0.01 to 1. The molar ratio NaO/AlOis 0.1 to 5. After enforcement processing is performed, the tempered glass is cut by etching. The surface or the end face is subjected to etching.