Laser Perforation

Laser Perforation
Using Laser Technology, perforations of different types and sizes can be produced.
Laser Perforated Serial Number
The ID document serial number is perforated through the substrate with a laser. Typical distinguishing marks are produced: traces of burning round the edges of the holes ;no raised edges round the holes in the substrate (paper) on the back of the perforations ;conical decrease in size of the perforated holes in the book block when viewed from front to back.

Laser Perforated Fine Structures and Design (rip cuts)

Secondary (ghost) image - laser perforated
Perforation forming a secondary image of the document holder, visible by transmitted light.Examples: Image Perf®, Netherlands and Belgian passports.

Laser perforation with tilting effect
The individual letters of the TLI ® (Tilted Laser Image) are perforated at different angles. The image that can be seen by transmitted light, changes depending on the angle of view.

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