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SD Security Center Grew Out Of Solar Experiment

January 2, 2014, 3:13 PM

SIOUX FALLS, SD -

A new security printing and anti-counterfeiting research program based at the South Dakota School of Mines & Technology grew out of an effort to develop next-generation solar cells.

School of Mines professor Jon Kellar says he and USD chemistry professor Stanley May were experimenting with luminescent solar printing when a graduate student used the technology to print a QR code. Those are the black-and-white square matrix barcodes used to identify websites and products.

The researchers realized that having a QR code that's hidden in ambient lighting but is visible with a near-infrared laser would be of great interest to companies looking to protect their brands.

The idea earned them a $300,000 Board of Regents grant that established the Center for Security Printing and Anti-Counterfeiting Technology. SDSU researchers are also helping.

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