DEVICE AND METHOD FOR PROCESSING MATERIAL BY MEANS OF LASER RADIATION

The invention relates to a method for processing material, in particular for modifying material and/or material properties, by means of laser radiation, comprising the following steps: a) generating a multiplicity of laser pulses (L); b) controlling the point of impact of the laser pulses (L) on a w...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Mütel, Fabian, Guggenmos, Markus, Hartmann, Martin, Buckert, Thomas
Format:	Patent
Sprache:	eng
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	The invention relates to a method for processing material, in particular for modifying material and/or material properties, by means of laser radiation, comprising the following steps: a) generating a multiplicity of laser pulses (L); b) controlling the point of impact of the laser pulses (L) on a workpiece (100) to be processed, in particular deflecting the laser pulses (L) and/or moving the workpiece (100) to be processed, such that the laser pulses (L) are guided along a predetermined trajectory (Z) on the workpiece (100) to be processed. According to the invention, -a pulse-to-pulse time interval (Δt) between the individual laser pulses (L) generated and/or-a pulse energy (Pi) of the laser pulses (L) and/or-a beam diameter (D) of the laser pulses (D) and/or-the predetermined trajectory (Z) is/are specifically subjected to noise.