Infrared plastic welding with recirculation of unabsorbed infrared laser light to increase absorption of infrared laser light
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United States of America Patent
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Jan 1, 2013
Grant Date -
Apr 12, 2012
app pub date -
Dec 16, 2011
filing date -
May 4, 2007
priority date (Note) -
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Abstract
Unabsorbed infrared laser light that has passed though plastic parts to be welded with a low absorption TTIr process is recirculated in an infinite loop back to the low absorption weld interface for reabsorption in the process. On each pass in the infinite loop, more infrared laser light is absorbed at the weld interface.
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