SHAPING OF BRITTLE MATERIALS WITH CONTROLLED SURFACE AND BULK PROPERTIES

Methods of and devices for forming edge chamfers and through holes and slots on a material that is machined using a laser, such as an ultrafast laser. The shaped material has predetermined and highly controllable geometric shape and/or surface morphology. Further, a method of and a device for preven...

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Bibliographische Detailangaben
Hauptverfasser:	JUBAN ERIC, BOOTH TIMOTHY, MIELKE MICHAEL, SRINIVAS RAMANUJAPURAM A, SHIRK MICHAEL, GAUDIOSI DAVID M
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 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 SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	Methods of and devices for forming edge chamfers and through holes and slots on a material that is machined using a laser, such as an ultrafast laser. The shaped material has predetermined and highly controllable geometric shape and/or surface morphology. Further, a method of and a device for preventing re-deposition of the particles on a material that is machined using a laser, such as an ultrafast laser. A fluid is used to wash off the particles generated during the laser machining process. The fluid can be in a non-neutral condition, with one or more chemical salts added, or a condition allowing the coagulation of the particles in the fluid, such that the particles can be precipitated to avoid the reattachment to the machined substrate.