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The ID and personalization sector (highly sensitive card, identification card and pass personalizations; especially the marking of ID cards with grayscale images) represents huge challenges for the process of laser-aided marking. All documents must be tamper-proof, protected against misuse and personalized in a defect-free manner. The process of laser marking satisfies these requirements, as well as worldwide security standards. Furthermore, when it comes to the contents of markings, lasers offer the maximum degree of flexibility - it is even possible to display photographs as high-resolution grayscale images - and in terms of the final markings on the cards, they offer a very high level of quality.
Security-relevant documents such as ID cards, chip cards (smart cards), bank cards, badges, driving licenses and passports are subject to the strictest requirements with respect to protection against forgery, adherence to global security standards and uncompromising personalization. As these documents are personalized through the use of marks, the respective marking process must be flawless and secure. In this case, laser marking offers many advantages: The markings are long-lasting and tamper-proof. The markings are not subject to any contentual limits. It is even possible to display graphics and photographs as brilliant high-resolution grayscale images. The contents of the markings can range from bearer-oriented data, (passport) photos, graphics and logos to 2D codes, multiple laser images (MLI), changeable laser images (CLI) and tactile markings.
The safety technology and ID and personalization sectors are always on the lookout for newer and more secure features and protective mechanisms that can be used to protect sensitive documents against misuse and falsification. The reversible image, which is produced with the help of a laser, is one of this domain’s newest security features. A change in the tilt angle results in a different image being visible. Markings of this nature are very difficult to produce and imitate.