Method and apparatus for high precision variable rate material removal and modification
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United States of America Patent
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Dec 5, 2000
Issued Date -
N/A
app pub date -
Apr 3, 1998
filing date -
Jun 4, 1997
priority date (Note) -
Expired
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Abstract
A method and apparatus is disclosed for fast precise material processing and modification which minimizes collateral damage. Utilizing optimized, pulsed electromagnetic energy parameters leads to an interaction regime which minimizes residual energy deposition. Advantageously, removal of cumulative pulse train residual energy is further maximized through the rapid progression of the ablation front which move faster than the thermal energy diffusion front, thus ensuring substantial removal of residual energy to further minimize collateral thermal damage.
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