| 摘要 |
<p>The present invention relates to a data medium intended for printing on liquid toner presses, comprising a substrate coated on at least one of its faces with an adhesion primer suitable for liquid electrophotography, and at least one security element, said printable face coated with the adhesion primer having a non-random relief conferring a Bendtsen surface roughness in the range from 500 to 1500 ml/min. Said relief is in particular visible to the naked eye in raking light.</p> |
