SECURITY FEATURE FOR A VALUABLE DOCUMENT, VALUABLE DOCUMENT AND METHOD OF PRODUCING A SECURITY FEATURE
A security feature for a value document, into which markings are introduced by at least one laser beam, includes at least one laser-sensitive recording layer which is transparent in the visible spectral range, light-diffracting or light-refracting structures arranged on a first side of the recording...
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| creator | ENDRES, Günter FABIAN, Cristina KOHL, Klaus |
| description | A security feature for a value document, into which markings are introduced by at least one laser beam, includes at least one laser-sensitive recording layer which is transparent in the visible spectral range, light-diffracting or light-refracting structures arranged on a first side of the recording layer, at least one first marking which is introduced into the at least one recording layer by a laser beam from at least one direction through the light-diffracting or light-refracting structures into the at least one recording layer and is visible when viewed from the same direction from a second side, at least one second marking which is introduced into the at least one recording layer with a laser beam from the second side of the recording layer and is visible when viewed from the first and the second side |
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| language | eng ; fre ; ger |
| recordid | cdi_epo_espacenet_EP4330050A2 |
| source | esp@cenet |
| subjects | BOOK COVERS BOOKBINDING DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR FILES LOOSE LEAVES MOVABLE-STRIP WRITING OR READING APPARATUS PERFORMING OPERATIONS PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR SPECIAL PRINTED MATTER TRANSPORTING |
| title | SECURITY FEATURE FOR A VALUABLE DOCUMENT, VALUABLE DOCUMENT AND METHOD OF PRODUCING A SECURITY FEATURE |
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