Laser processing apparatus
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United States of America Patent
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Feb 19, 2013
Grant Date -
Jun 3, 2010
app pub date -
Nov 2, 2009
filing date -
Dec 1, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A laser processing apparatus including a detecting unit. The detecting unit includes a white light source for emitting white light, a focusing lens for focusing the white light to the workpiece, a first optical fiber for guiding the white light emitted from the white light source to the focusing lens, a detector for detecting the intensity of reflected light from the workpiece, and a second optical fiber for guiding the reflected light to the detector. Accordingly, the white light to be focused to the workpiece can be easily handled and only a wavelength component focused on the workpiece can be stably propagated.
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