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Thu 25-08-2005 Security Security codes boast photo quality
Laser written images could help prevent forgery of bank cards and security passes.

A technique for producing UV laser-written digital images that change their appearance with viewing angle has been developed by Sherwood Technology, UK. The Widnes-based color chemistry expert says that its hologram-style images named DigiVU OVD could help protect important documents and branded products from counterfeiting.

Read the article at optics.org


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