Method for producing security document blanks that can be personalized in color, security documents personalized in color, and method for personalization
US9895921B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 5, 2013 |
| Grant date | Feb 20, 2018 |
| Priority date | — |
| Expiry date | Jul 28, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03H2250/42
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A method for producing a document blank or a security document includes providing a substrate layer having a metal layer or applying a metal layer to a substrate layer, forming a color-effective pattern in or on the metal layer, in which the pattern has a pixel structure and each pixel includes at least two subpixels which cause a monochromatic color effect, and joining together the substrate layer and at least one further transparent substrate layer to form a document body. A security document blank, a personalized security document and a method for the laser personalization of security document blanks in color are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.