Data carrier with a printed security element and gravure production method thereof
US7311043B2 · kind B2 · utility
5Cited by
24References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 28, 2000 |
| Grant date | Dec 25, 2007 |
| Priority date | — |
| Expiry date | Mar 15, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB42D25/29
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The invention relates to a data carrier with a security printed image produced by intaglio printing. The security printed image consists of a plurality of contrasting structural elements disposed in exact register. A first part of the structural elements is designed to be relieflike and tactile and a second part of the structural elements flat and nontactile.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.