"Optics DNA" True Color Anti-Fake Technology

In this paper,the random speckle is used to distinguish the false proof labels.With the rainbow hologram as the theoretical basis,true color hologram anti-fake labels are made.Mask pattern is used to make hologram mastering mould,through which copying product is obtained.The copying product is compared with the mastering mould.Under the microscope,we can find the distribution and size of the speckle similar to the ones of the mastering mould.Therefore,it is feasible to use random speckle to distinguish the authenticity of the anti-counterfeit mark is feasible.