Patent ID: 8403230

Claim:
A card usable as a value card, comprising: several layers laminated with each other, wherein between a first card layer and a second card layer there is embedded a security element comprising a plastic or lacquer layer with a relief structure and two main surfaces; said relief structure having first relief areas comprising first picture elements and second relief areas comprising second picture elements, wherein the picture elements of the first relief areas produce a first representation visually recognizable under ambient conditions, and the picture elements of the second relief areas produce a second representation visually not recognizable under ambient conditions; said security element being adhesively bonded by a first adhesive layer to the first card layer and by a second adhesive layer to the second card layer, wherein the first and the second adhesive layers comprise an adhesive which is the same as or different from each other and comprise an adhesive selected from the group consisting of physically drying adhesives and adhesives crosslinkable by heat; and wherein, if at least one of the adhesives is an adhesive crosslinkable by heat at a crosslinking temperature, the crosslinking temperature of the adhesive is lower than the softening temperature of the plastic or the lacquer layer of the security element.