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High-Precision Laser Welding of Transparent Plastic

LPKF paper at the Laser Manufacturing Conference available as a TechPaper

Thanks to the reliability of the welding results, laser plastic welding has become established as the technical standard for mass production. Now with a new technology, LPKF is targeting the challenging medical applications sector, and is focusing on researchers and developers with demanding specifications for the joining technology.
Complex systems with channel cross-sections in the micrometer range are used for fast analysis in a number of fields including food safety, clinical diagnosis, chemical synthesis and biological research.

The high-precision mechanical and optical positioning system in the LPKF PrecisionWeld uses the welding properties of transparent plastics at a laser wavelength of 2 μm. This creates an effective technology for the prototyping and series production of microfluidic components.

The TechPaper describes the technical principles, the design implementation as a laser welding system, and the resulting welding parameters which can then be achieved. The TechPaper can be downloaded free-of-charge on the LPKF website in the Knowledge Center (

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LPKF WeldingQuipment GmbH
Alfred-Nobel-Str. 55 - 57
D-90765 F├╝rth
+49 (0)911 669859-0
+49 (0)911 669859-77
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LPKF Laser & Electronics AG

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LPKF WeldingQuipment GmbH    •  Alfred-Nobel-Str. 55 - 57  •  D-90765 Fürth  •  Germany  •  Tel. +49 (0) 911 669 859-0  •  Fax: +49 (0) 911 669 859-77
LPKF Laser & Electronics AG