作者: Daoshen Bi , Mohamed Lazzouni , Robert L. Jones
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摘要: An identification document which includes anti-counterfeiting features to provide tamper evidence in response counterfeiting attempts an image receiving area having one or more fixed variable items of information. In embodiment, a pattern material is embedded into the layer vicinity information predetermined configuration. The comprised solvent insoluble such that attempted delamination using solvents results visually detectable tampering.