MARKING COMPRISING A PRINTABLE CODE AND A CHIRAL LIQUID CRYSTAL POLYMER LAYER

摘要

Disclosed is a marking for an article, item or substrate. The marking comprises a printable code, at least a part of which is covered by a chiral liquid crystal polymer (CLCP) layer, and further preferably including an intermediate layer including a distribution of flakes,to provide readable information of at least two different types on the article.