Method for manufacturing glass substrate, and glass substrate

The present invention provides a method for manufacturing a glass substrate, by which a glass substrate in a desired shape is obtained from a glass plate (1), said method comprising: irradiating the glass plate (1) with a first laser beam (L1) to form a scribe line (4) defining an outline (4a) of th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	SAITO, ISAO, IIDA, RYOICHI, SHIBATA, AKIHIRO, FUJIWARA, TAKUMA, ONO, TAKEAKI
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING GLASS MACHINE TOOLS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY MINERAL OR SLAG WOOL PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	The present invention provides a method for manufacturing a glass substrate, by which a glass substrate in a desired shape is obtained from a glass plate (1), said method comprising: irradiating the glass plate (1) with a first laser beam (L1) to form a scribe line (4) defining an outline (4a) of the glass substrate in the desired shape across the entire thickness of the glass plate (1); and removing an unnecessary area (7) of the glass plate (1) along the scribe line (4) by fusion cutting a position away from the scribe line (4) on the opposite side from the desired shape bounded by the scribe line (4), thereby obtaining the glass substrate of the desired shape along the outline (4a).