Identification document comprising a security pattern

摘要

The invention relates to an enhanced security feature for identification document. For that, the identification document comprises at least two constitution layers, a first specific coating (15) inside the document, between two constitution layers, said coating being able to be revealed under predetermined lighting conditions. It comprises also an assembly of micro-holes (16) provided through at least one of the layers, in order to make possible the revelation of the first specific coating under said predetermined conditions, said assembly of micro-holes, together with said coating to be revealed through micro-holes, drawing said security pattern.

主权项

1. An identification document personalized with personalization data and secured with a security pattern, the identification document comprising
at least two constitution layers, a first layer of specific coating provided between the at least two constitution layers and hidden inside the document, said first layer of specific coating being a fluorescent ink, an UV ink or an IR ink which is revealed under predetermined lighting conditions, an assembly of micro-holes provided through at least one of the at least two constitution layers and through the first layer of specific coating, said first layer of specific coating being revealed through said assembly of micro-holes under said predetermined lighting conditions, thereby creating said security pattern, at least one upper layer placed above one of the at least two constitution layers and the first layer of specific coating, the least one upper layer being an outermost perforated layer, and at least one protective layer placed on top of the outermost perforated upper layer to protect the micro-holes, wherein an inner surface of the protective layer holds an additional layer of specific ink, said additional layer of specific ink being opaque, such that the layers underneath are hidden but become invisible under predetermined conditions, so as to reveal the micro-holes and the layers underneath, through the revealed micro-holes.