Method for producing a data carrier

Details Method for producing a data carrier Method for producing a data carrier

G - Physics

06

K

G06K 19/10 (2006.01)

Patent

CA 2625657

In order to produce a data carrier (1) a substrate (6) is printed with a printing ink and personalized by means of a laser. The printing ink is laser- active and is converted at least in regions during the personalization in such a way that, for example, a silver-grade pigment is formed which is readily visible only when the substrate (6) is inclined. In particular, the printing ink has a comparatively small proportion of carbon black that is converted by the laser essentially without disturbing combustion and overall formation.

L'invention concerne un procédé pour produire un support de données (1), consistant à imprimer un substrat (6) à l'aide d'une encre d'impression, et à le personnaliser au moyen d'un laser. L'encre d'impression est activée par le laser, et est au moins partiellement transformée lors de la personnalisation, de sorte qu'un pigment gris argenté soit formé, ce pigment gris argenté étant parfaitement visible lorsque le substrat (6) est incliné. L'encre d'imprimerie présente une teneur relativement faible en noir de carbone qui est transformé sous l'action du laser, sensiblement sans combustion perturbatrice, ni formation de bulles.

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