LASER CUTTING AND PROCESSING OF DISPLAY GLASS COMPOSITIONS

The present invention relates to an alkaline earth boro-aluminosilicate glass article having an edge having a plurality of defect lines extending at least 250 microns, each defect line having a diameter less than or equal to about 1 micron, separated by a distance of 5 microns to 15 microns. This ma...

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Bibliographische Detailangaben
Hauptverfasser:	SCHNITZLER, Daniel, WATKINS, James Joseph, HACKERT, Thomas, N'GOM, Moussa, MARJANOVIC, Sasha, PASTEL, David Andrew, WAGNER, Robert Stephen, PIECH, Garrett Andrew, LI, Xinghua
Format:	Patent
Sprache:	eng ; hun
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 relates to an alkaline earth boro-aluminosilicate glass article having an edge having a plurality of defect lines extending at least 250 microns, each defect line having a diameter less than or equal to about 1 micron, separated by a distance of 5 microns to 15 microns. This may be obtained by a laser cutting process which includes focusing a pulsed laser beam into a focal line. The focal line is directed into the glass workpiece, generating induced absorption within the material. The workpiece and the laser beam are translated relative to each other to form a plurality of defect lines along a contour, with adjacent defect lines have a spacing of 5-15 microns.