The personalized text lines fill the entire image.
There are slight differences in character size and line-thickness to clearly show the portrait.
Level-1 verification is based on the comparison of the microtext in the LetterScreen® and the readable personal data. The verification necessitates a magnifier.
Level-2 automatic verification with a Jura APP in the electronic document reader. The software completely eliminates the subjective human factor. The electronic document reader compares the re-generated wave structure, with the one in the scanned LetterScreen® portrait.
Level-3: The portrait can contain certain special marks or “deliberate mistakes” for forensic check.
LetterScreen® is software-based only and supports all ICAO-recommended printing and personalization technologies.