Security element and method for the production thereof
US8613471B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 17, 2008 |
| Grant date | Dec 24, 2013 |
| Priority date | — |
| Expiry date | Aug 26, 2029 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB42D2035/24
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
The invention relates to a security element (22) for securing items of value, with a relief structure (22) on which a thin film element (24) having a color shift effect is superposed in an overlap zone, wherein the thin film element (24) includes an absorber layer (30) with gaps (32), in the zone of which a color shift effect is not visible, and with a semitransparent ink layer (34), which is superposed on the thin film element (24) and the relief structure (22) in the area of the gaps (32) in the absorber layer (30), wherein the color impression of the thin film element (24) is coordinated with at least a partial zone of the semitransparent ink layer (34) when viewed under predefined viewing conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.