Photonic milling using dynamic beam arrays
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United States of America Patent
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May 15, 2012
Grant Date -
Oct 1, 2009
app pub date -
Sep 22, 2008
filing date -
Mar 31, 2008
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A laser processing system includes a beam positioning system to align beam delivery coordinates relative to a workpiece. The beam positioning system generates position data corresponding to the alignment. The system also includes a pulsed laser source and a beamlet generation module to receive a laser pulse from the pulsed laser source. The beamlet generation module generates a beamlet array from the laser pulse. The beamlet array includes a plurality of beamlet pulses. The system further includes a beamlet modulator to selectively modulate the amplitude of each beamlet pulse in the beamlet array, and beamlet delivery optics to focus the modulated beamlet array onto one or more targets at locations on the workpiece corresponding to the position data.
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