Security document having a perforation window, and method for the production thereof
A security document and document body technology, applied in printing, information-bearing cards, printed matter, etc., can solve the problems of counterfeiting security documents, inability to realize full-color or colorful information storage, insufficient guarantee, etc.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Publication Date
- 2014-12-10
Smart Images
Figure 1 Figure 2 Figure 3
Abstract
Description
technical field
[0001] The invention relates to a security document and a method for its manufacture, in particular to a security document having at least one security feature which is optically verifiable and which has different optical effects depending on the viewing side of the security document. Background technique
[0002] Various security documents are known from the prior art. All objects comprising at least one security feature which makes forgery, imitation, unauthorized copying etc. difficult or preferably impossible are referred to as the security document.
[0003] Security documents include, for example, ID documents (Identification: identification), travel passports, personal certificates, ID cards, driver's licenses, driving licenses, vehicle factory licenses, access cards, company certificates, access cards (Zutrittskarten), bank cards, credit cards, Visa also includes anti-counterfeit tags, access cards, banknotes, stamps, securities, and the like. Such ...
Examples
Embodiment Construction
[0058] exist figure 1 The security document 1 is schematically shown in perspective in . The security document comprises a document body 2 which is produced from a plurality of original self-supporting layers, in particular based on plastic, which are stacked on top of each other and composited with each other. From its front side 11 to its rear side 12 , the document body 2 is composed of a transparent layer 3 , a layer 4 provided for laser marking, a flat opaque layer 5 and a further transparent layer 6 . It will be understood by those skilled in the art that security documents may be manufactured from different numbers of original self-supporting layers. In the exemplary embodiment shown, the layers 3 to 6 are identical with regard to their two-dimensional extension. Other embodiments can be implemented differently in terms of development.
[0059] Preferably, the layers are all based on the same plastic material, for example all made of polycarbonate material. This has...