Patent · US Active

Security feature for a value document, value document and method of producing a security feature

US12269289B2 · kind B2 · utility

0Cited by

2References

11Claims

0Family size

Assignee

GIESECKE+DEVRIENT EPAYMENTS GMBH · DE

Inventors

Cristina FABIAN · Garching an der Alz, DE
Klaus Kohl · Miesbach, DE
Günter Endres · Birkenfeld, DE

Key dates

Filing date	Apr 26, 2022
Grant date	Apr 8, 2025
Priority date	—
Expiry date	Apr 26, 2042

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB42D25/351
WIPO fieldOther consumer goods
WIPO sectorOther fields

Abstract

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.