Device for working a workpiece using laser light
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United States of America Patent
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-
Jul 2, 1991
Grant Date -
N/A
app pub date -
Sep 14, 1989
filing date -
Sep 17, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device for working a workpiece by means of laser light includes a laser, a beamsplitter for splitting the laserbeam into at least two sub-laserbeams of substantially identical intensities, and a control unit which controls the light intensity of the laser and the movement of a workpiece support and the laserbeam relative to each other. The beamsplitter includes at least one digital-phase grating which divides the laserbeam into a plurality of sub-laserbeams to produce a pattern of laser spots onto the workpiece.
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Cited Art Landscape
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