Laser machining utilizing a spacial filter
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United States of America Patent
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Aug 17, 1993
Grant Date -
N/A
app pub date -
Mar 26, 1992
filing date -
Mar 26, 1992
priority date (Note) -
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Abstract
The performance of a high power laser machining system is improved by the inclusion of a spacial filter which is between the laser and the work piece. A preferred embodiment of the spacial filter uses line foci and slit apertures.
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Cited Art Landscape
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