METHOD AND APPARATUS FOR LASER WELDING OF TWO JOINING MEMBERS OF PLASTIC MATERIAL
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United States of America Patent
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app pub date -
Aug 20, 2012
filing date -
Aug 25, 2011
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Abstract
In a method and an apparatus for laser welding of two joining members of plastic material in which a focussed laser beam is emitted into a welding zone in the region of the boundary surfaces of the joining members arranged in such a way as to face one another so as to form a weld seam having a particular seam depth between the joining members, it is provided that the laser power density is modulated during the welding process in a direction of the seam depth in the welding zone.
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