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    Press Release

    LPKF Patented Reflecton Diagnosis for

    Laser Plastic Welding

    July 2010, Erlangen, Germany Although laser plastic welding gen-Contact: erally produces fewer errors, absolute reliability requires dependable Marika Nitscher

    m.nitscher@lpkf.de verification. LPKF LaserWelding division now adds reflection diag-Tel. +49 (0)9131 61657-10

    Fax +49 (0)9131 61657-77 nosis to its existing range of quality assurance methods.

     “Reflection diagnosis gives us an innovative measurement tool to verify

     successful welding.” Frank Brunnecker, Vice President LaserWelding at 23.04.2014 LPKF Laser & Electronics AG. As of autumn 2010, reflection diagnosis will Characters: 470

     be available as an option on LPKF welding systems. (The company will

     present the method at the K show in Germany in Duesseldorf, October 27 to November 3, 2010 Hall 11, Booth# E04).

LPKF Laser & Electronics AG Reflection diagnosis makes use of the physical effect of light reflection at Laser Plastic Welding boundary surfaces. Before welding there are in effect two boundaries Gundstr. 15 between the components. When light also laser light impinges on D-91056 Erlangen

    www.lpkf.com these boundaries, a certain amount of light can be reflected. Areas which

    Board of Managing Directors have been welded together have no such double boundary and the Dr. Ingo Bretthauer (CEO) amount of reflected light is reduced. Bernd Lange (CTO)

    Kai Bentz (CFO)

     This method also allows the quality of a welded seam to be evaluated Shares: during the actual welding process. The integration of the reflection diag-Prime Standard

    ISIN 0006450000 nosis system into the laser head gives the LPKF LQ-TwinWeld3D hybrid

     welding system a key advantage in the marketplace for sensitive compo- nents; such as for car tail lamps and solar panels. LPKF can effectively

    Print free of charge, copy re-help reduce reject rates and deliver robust quality documentation for each quested

     individual component. ? Other press releases Reflection diagnosis complements existing quality assurance systems, Product and brand names are trademarks of LPKF Laser such as melt travel monitoring, pyrometer testing and burn detection. De-& Electronics AG, registered among others at the US Patent and Trademark Office: LPKF? and the company pending upon the specifics of each product, the various methods can be logo, # 2,385,062 and # 2,374,780; Solarquipment?, # 3,494,986; ProConduct?, implemented to allow full tracking and tracing of individual components. # 3,219,251; Allegro?, # 3,514,950.

    About LPKF

    LPKF Laser & Electronics AG manufactures machines and laser systems

    used in electronics fabrication, medical technology, the automotive sector,

    and the production of solar cells. Around 20 percent of the workforce is

    798475025.doc 1

Press Release

engaged in research and development.

798475025.doc 2

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