Methods and apparatus for manufacturing a glass ribbon

Methods of manufacturing a glass ribbon include moving a ribbon of glass-forming material along a travel path in a travel direction. Methods include sensing a thickness of the ribbon of glass-forming material at a plurality of locations of the ribbon of glass-forming material. Methods include identi...

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Bibliographische Detailangaben
Hauptverfasser:	AHRENS, JEFFREY HOWARD, HOUNKPEVI, FRANCK OLIVIER, LEBLANC, PHILIP ROBERT, MCLNTOSH, ROBERT ARTHUR
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING CONTROLLING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING GLASS INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MACHINE TOOLS MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES MEASURING METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY MINERAL OR SLAG WOOL PERFORMING OPERATIONS PHYSICS REGULATING SOLDERING OR UNSOLDERING SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES TESTING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	Methods of manufacturing a glass ribbon include moving a ribbon of glass-forming material along a travel path in a travel direction. Methods include sensing a thickness of the ribbon of glass-forming material at a plurality of locations of the ribbon of glass-forming material. Methods include identifying a location of the plurality of locations in which a corresponding thickness at the location exceeds a target thickness. Methods include correlating a rate of thickness change and a thickness difference between the corresponding thickness and the target thickness to a laser power. Methods include directing a laser beam at the laser power toward the ribbon of glass-forming material to decrease a viscosity at the location and attain the target thickness at the location.