Free TechPaper: High-Precision laser welding of transparent plastic

  • LPKF paper at Laser Manufacturing Conference available as TechPaper
  • Channel cross-sections in the micrometer range
  • Laser wavelength of 2 µm

Due 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, the company LPKF is targeting the challenging medical applications sector, and is focusing on researchers with demanding specifications for the joining technology.

Channel cross-sections in the micrometer range

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.

Laser wavelength of 2 µm

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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