Security procedure variable optical layered for documents, identity cards and credit cards, checks, visas and passports.

摘要

Process variable optical layered security for documents, identity cards and credit cards, checks, visas and passports. Using the security procedure of the invention a cover for identity documents, passports and visas are obtained, with a laminate layer constitution of reflective pigments varifocal (OVC), arranged such that in turn constitute an optical dielectric medium refraction-reflection sustained, as well as print validations with reflective pigments (OVI), providing the identity a very high security against fraudulent reproduction, further giving it to the naked eye for color and color change obtained by varying the angle at which the surface of the identification, validation and verification of authenticity is observed. another feature is the way of setting the welding between the core of paper or plastic and protective correspondientescubiertas give the heat lamination perfect adhesion and anchoring, giving an extraordinary security fraudulent attempts, delamination and separation of layers.