Method for the machining of workpieces by means of several laser beams
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United States of America Patent
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Jan 4, 2005
Issued Date -
N/A
app pub date -
Feb 4, 2003
filing date -
Feb 15, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
In material machining by means of laser beams, in particular when engraving for example metal or when blackening and marking on plastic material, there is to be provided a process in which in spite of a high frequency of machining pulses the required minimum energy per pulse is achieved. For that purpose a plurality of laser beams are brought together by way of a beam-combining means and passed by way of a common beam-guide means on to the workpiece and in particular operated in time-displaced relationship.
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