Technique for removal of material to achieve a desired shape with a laser
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United States of America Patent
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Issued Date -
Jan 30, 2003
app pub date -
Jul 30, 2002
filing date -
Jul 30, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Methods are provided for material sculpting with a device which functions similar to a laser on human cornea or plastic that reduces surface roughness and computational overhead. These methods are based upon teachings of volumetric ablation based upon layer slices of the volume. The first method demonstrates how to apply the slice based sculpting to a regularly spaced sampling grid using stochastic perturbing from the grid points. The second method demonstrates how to apply a directly volumetric sculpting approach where a discrete estimate of the average beam size and shape is made and applied directly to the volume to ablate until all of the required volume is removed.
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