METHOD FOR MANUFACTURING GLASS SUBSTRATES

PROBLEM TO BE SOLVED: To provide a method for manufacturing glass substrates such that it is possible to obtain multiple glass substrates stably from a large glass matrix on which a strong strengthening treatment has been performed.SOLUTION: A method for manufacturing glass substrates comprises a fi...

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Bibliographische Detailangaben
Hauptverfasser:	KASHIWABARA YASUHIRO, NISHIYAMA SAKAE
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY COMPUTING COUNTING 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 ELECTRIC DIGITAL DATA PROCESSING 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 a method for manufacturing glass substrates such that it is possible to obtain multiple glass substrates stably from a large glass matrix on which a strong strengthening treatment has been performed.SOLUTION: A method for manufacturing glass substrates comprises a first chemical polishing step and a second chemical polishing step. In the first chemical polishing step, a chemical polishing treatment is performed on only the first major surface of a glass matrix 10 by a predetermined amount of single-side polishing. In the second chemical polishing step, a chemical polishing treatment is performed on each of the first major surface and the second major surface. Subsequently, first partitioning grooves 102 formed in the first major surface and second partitioning grooves 104 formed in the second major surface are connected to each other at a position shifted from the center line 110 in the thickness direction of the glass matrix 10 by an amount of shift 114 which corresponds to the amount of single-side polishing.