Process for controlling the laserbeam intensity repartition for processing element surfaces

A process for controlling the beam intensity distribution in laser beam surface treatment, comprises using a conventional mirror (system) for beam shaping carried out using the sinusoidal harmonic beam oscillation as control function for the mirror (system) by means of one or more galvano-scanners....

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Bibliographic Details
Main Authors MERTZ, ANDREAS, POLLACK, DIETER, MORGENTHAL, LOTHAR
Format Patent
LanguageEnglish
French
German
Published 17.10.2001
Edition7
Subjects
BASIC ELECTRIC ELEMENTS
BLASTING
CLADDING OR PLATING BY SOLDERING OR WELDING
CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING
DEVICES USING STIMULATED EMISSION
ELECTRICITY
HEATING
LIGHTING
MACHINE TOOLS
MECHANICAL ENGINEERING
METAL-WORKING NOT OTHERWISE PROVIDED FOR
NON-PORTABLE LIGHTING DEVICES
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PERFORMING OPERATIONS
PHYSICS
SOLDERING OR UNSOLDERING
SYSTEMS THEREOF
TRANSPORTING
VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLEEXTERIORS
WEAPONS
WELDING
WORKING BY LASER BEAM
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Summary:A process for controlling the beam intensity distribution in laser beam surface treatment, comprises using a conventional mirror (system) for beam shaping carried out using the sinusoidal harmonic beam oscillation as control function for the mirror (system) by means of one or more galvano-scanners. The intensity distribution, produced on a component surface during beam shaping, is adjusted independently of the selected shape and size of the scanned surface region, without the need for action on the laser.
Bibliography:Application Number: EP19950111747