Polymer laminate for a security and / or value document, and methods and apparatus for the production thereof
2008
Polymer layer composite (2) for a security and / or value document comprising a plurality in a substrate layer stack (14) stacked by means of pressure and temperature entry interconnected substrate layers (4-8) of which at least a top substrate layer (4) and a bottom substrate layer (5 ) polymer layers, wherein at least one surface limited through portion (32; 32-1, 32-2) is formed, characterized in that in at least the top substrate layer (4) in the region of the at least one surface limited viewing area (32; 32 1, 32-2) has a microstructure (34) is introduced by means of an ultrasonic embossing.
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