3D microprinting counterfeit protection for products, passports, and money

3D microprinting counterfeit protection for products, passports, and money

“Security features are to protect bank notes, documents, and branded products against counterfeiting. Losses caused by product forgery and counterfeiting may be enormous. Researchers now propose to use printed 3D microstructures instead of 2D structures, such as holograms, to improve counterfeit protection…”

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https://www.sciencedaily.com/releases/2017/11/171115092405.htm