Sharper Edges, Stronger Security: Inside Demax’s FreeEdge™ Innovation

Diffractive optically variable image devices (DOVIDs) are widely used to protect documents against counterfeiting and misuse. They are commonly integrated into multilayer holographic foils, which are either hot-stamped onto documents such as credit cards, driving licenses, identity cards, passports, and banknotes or embedded into laminates that are heat-sealed to a document’s surface.