Data carrier, security element and method for influencing of a color change thermochromic ink layers

摘要

The present invention relates to a portable data carrier, a security element for a portable data carrier as well as a method for influencing of a color change of thermochromic ink layers on a portable data carrier, wherein at least in regions, a thermochromic ink layer in the data carrier body is arranged and by the action of a thermal energy modification to the color layer a color change of the thermochromic layer of ink is caused.