Patent · US Active

Security document and method for producing a security document

US11766885B2 · kind B2 · utility

1Cited by
6References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 10, 2019
Grant dateSep 26, 2023
Priority date
Expiry dateSep 10, 2039

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB42D25/46
  • WIPO fieldOther consumer goods
  • WIPO sectorOther fields

Abstract

A security document has a carrier element which has a surface with a principal plane and a personalization region. A personalization layer is applied to the surface, such that the surface of the carrier element in the personalization region is configured with a plurality of structure elements uniformly aligned with each other and raised with respect to the principal plane. The structure elements of the plurality of structure elements are configured immediately adjacent to each other and the structure elements are configured with a center distance between vertical axes of the respective structure elements of less than 250 μm.

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