GCM 110 Lecture Notes - Lecture 9: Nylon, Direct Process, Cellophane
18 Jan 2017
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Lecture 8: printing processes letterpress, flexography, gravure and screen. Printing with a master: letterpress, flexography, gravure, and screen. Polymer allowed bank of canada to stay one step ahead of counterfeiters by embedding high-tech security features right into the thin plastic film in a way that could never be done with cotton paper notes. More than 30 countries worldwide use polymer notes and this new substrate, paired with advanced security features make canadian banknotes some of the most secure in the world. The result was that as many as one in ten retailers in 2002 refused to accept and bills. The holographic stripe was added to the currency resulting in the decline of counterfeit notes to fewer than 50 parts per million in 2010. Based on the bank of canada"s semi- annual survey to retailers, they are pleased to learn that 99% of retailers now accept.
