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NEWS :: 04/10/2015

Leister exhibits at Medtec Europe 2015

Logo Medtec Europe 2015

Leister Corporate, Leister Technologies, Laser Plastic Welding

Leister Technologies AG exhibits again at MEDTEC Europe 2015 with laser systems for plastic welding. This year Leister presents its full range of laser delivery capabilities for an array of applications.

Leister Technologies AG exhibits again at MEDTEC Europe 2015 with laser systems for plastic welding. This year Leister presents its full range of laser delivery capabilities for an array of applications.

The welding of microstructures has been established in Leister by the proprietary mask welding for several years. Often this method is used in production environments to weld large surface areas as well as small components with highly complex welding requirements.

In the development stage of microfluidic devices, usually several design changes are necessary. In this instance, each time a new design is produced a new mask is required. This leads to excessive costs that can be avoided with a freely programmable system. Therefore, Leister presents at Medtec a scanning system in conjunction with a fiber laser that imparts an adjustable welding seam width. In the design phase, the functionality of such a system as well as the welding parameters can be flexibly tested before starting full production runs. Should higher production volume become a necessity, the welding designs from this pre-testing can be easily transferred into mask designs for mass production readiness.

The joining of membranes is an additional theme Leister will display at the fair. Membranes are sensitive materials that may be affected by heat or by mechanical stress during the process of traditional joining methods. Laser welding is a noncontact, low-energy process in which the thermal load is low. Thus, sensitive materials remain unharmed and can be joined without concern.

The application for welding microfluidic structures will be carried out on the proven NOVOLAS WS-AT while membrane welding is demonstrated on the latest development of Leister, a smaller welding platform called the NOVOLAS TTS (Table Top System).

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