Nanometer-sized Ultrafine Wrinkles Developed to Prevent Counterfeit Banknotes

DAEJEON, Oct. 30 (Korea Bizwire) — Researchers have succeeded in creating nanometer-sized ultrafine wrinkles on the surface of a liquid crystal high polymer material that can be used to prevent the production of counterfeit banknotes. A research team from Chungnam National University announced on Thursday that it had developed technology to create nanometer-sized ultrafine wrinkles [...]