LASER ASSEMBLY WITH ELECTRONIC MASKING SYSTEM
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United States of America Patent
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Issued Date -
Jul 23, 2009
app pub date -
Jan 16, 2009
filing date -
Jan 17, 2008
priority date (Note) -
Abandoned
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Abstract
The invention concerns a laser assembly for processing or joining work pieces by means of electromagnetic radiation, with a laser source that emits a laser beam, and an electronic masking system for the work pieces that succeeds the laser source. The masking system images the passing laser beam on the work pieces in a pattern that is randomly selectable. As masking system, a phase modulation array with preferably a common pixel size >4 μm is used, and also a laser source with a high beam quality of the laser beam that together permit the sharp imaging of patterns with a line width <2 mm on the work pieces.
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