Multi-Layer Document Security via Pre-arranged Lamination
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current methods for producing security documents lack sufficient security against forgery, as they can be easily imitated or manipulated by counterfeiting processes, and existing technologies do not effectively prevent unauthorized production or tampering.
Innovation Solution
A multi-layer document production method involving a first and further document layer, where the layers are arranged to form a non-joined composite with thickened or thinned partial areas, and subsequently joined using lamination, resulting in a changed information representation that is difficult to replicate, thereby enhancing security features.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional lamination methods are used to join document layers, then the document can be produced efficiently, but the security against forgery is insufficient
Solution Approach 1:
The patent applies preliminary action by pre-defining specific arrangement patterns of document layers before joining. The layers are positioned in predetermined configurations (e.g., offset positions, specific orientations) that create unique security features when joined, preventing forgery while maintaining production efficiency through standardized pre-arranged patterns
Solution Approach 2:
The patent implements local quality by creating localized thickened or thinned partial areas within the document layers through selective arrangement and joining. These local structural variations serve as unique security features that are difficult to replicate, enhancing forgery resistance without requiring complete redesign of the entire document structure
2Reliability
If document layers are arranged with thickened or thinned partial areas to create security features, then forgery resistance increases, but the manufacturing precision requirements increase
Solution Approach 1:
The patent applies parameter changes by systematically varying arrangement parameters such as layer positions, offsets, and orientations according to predefined patterns. These controlled parameter variations create distinct security features while maintaining manufacturability through standardized parameter sets that balance security requirements with production capabilities
3Reliability
If the document structure is made more complex with multiple layers and arrangement variations to prevent counterfeiting, then security improves, but the ease of manufacture decreases
Solution Approach 1:
The patent applies segmentation by dividing the document into multiple separable layers that can be independently manufactured and then joined in specific arrangements. This segmentation allows each layer to be produced using standard, simple processes while the complex security features emerge from the predetermined combination and arrangement of these segmented layers, maintaining ease of manufacture overall
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The method significantly increases security against forgery by ensuring that the joined document has information that differs from the original, making it harder to produce counterfeit documents, as the specific arrangement and joining parameters are required to achieve the desired security features.
Implementation Method 1
The non-joined layer composite is joined, in particular laminated
Data Source
Figure 1~3
Figure 4~6
Figure 7~8
AI summary
The invention relates to a device and a method for producing a document, wherein a first document layer (2) and at least one further document layer (3) are provided, wherein the at least one further document layer (3) is arranged above or below the first document layer (2), wherein the document layers (2, 3) are arranged relative to each other and/or at least one of the document layers (2, 3) is designed such that an unjoined layer assembly (1) provided from the first and the further document layer (2, 3) has at least one thickened or thinned partial area (14), wherein the layer assembly (1) is joined, and a document.