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Brilliant counterfeit protection
Date:6/14/2010

es, the spot with the labeling can be eliminated from the material, theoretically speaking. But that approach doesn't work with our technology, since the dye permeates the entire material, and itself is a component of the identification label, says Hollnder. Beside counterfeit protection, the process is also suitable for an effective quality assurance, such as with coatings: With the aid of various dyes, manufacturers can monitor the chemical composition, degree of dryness and the thickness of the coat during the production process.

The new technology has already passed the first practice tests: Researchers marked barrier sheets for organic light-emitting diodes (OLEDs) and photovoltaics with dyes a development from the Fraunhofer Polymer Surfaces Alliance POLO. The process is basically ready to be used however, it still must be adapted to each material. A standard solution would also be contrary to the intention of the inventor: One reason for the high degree of security of our technology is precisely because there are only material-specific solutions, reiterates Hollnder.


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Contact: Dr. Andreas Hollaender
andreas.hollaender@iap.fraunhofer.de
49-331-568-1404
Fraunhofer-Gesellschaft
Source:Eurekalert  

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