Edge-Visible Security Laminate via Batch Printed Core Layer
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Solution Overview
Problem
Existing security features for identification documents, such as laminates, are costly and time-consuming to implement, especially when requiring post-production edge modifications, and are not effectively counteracting advanced counterfeiting methods.
Innovation Solution
Incorporating UV or photoluminescent security elements on a transparent or translucent core layer of a laminate structure, which can be printed during batch production and are visible from the edge, minimizing impact on lamination and allowing for visual authentication without post-production edge marking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If post-production edge marking approaches are used (perforating, printing, or etching directly on the edge), then security features are integrated with the card edge, but manufacturing complexity and cost increase significantly
Solution Approach 1:
The security elements are printed on the major surface of the core layer during batch production, before the lamination process. This preliminary action eliminates the need for complex post-production edge marking operations, as the security features are already in place and will be visible through the transparent or translucent core layer after lamination.
Solution Approach 2:
The invention uses a simplified representation of security features by printing them on the major surface rather than directly on the edge. The transparent or translucent core layer acts as a medium that allows these printed features to be visible from the edge, creating an optical copy effect that achieves the same security purpose with simpler manufacturing.
2Reliability
If post-production edge marking is performed, then security features are added to individual cards, but production time and cost increase
Solution Approach 1:
Security elements are printed on the core layer during batch production, allowing thousands of cards to be manufactured with security features simultaneously. This eliminates the need for slow, individual post-production edge marking operations, dramatically increasing production efficiency while maintaining security feature integration.
Solution Approach 2:
The printing of security elements is merged with the batch production process of the core layer. Instead of adding security features as a separate post-production step to each individual card, the security elements are incorporated into the core layer manufacturing itself, allowing parallel processing of multiple cards.
3Productivity
If security elements are printed on the core layer, then batch production is enabled with reduced cost, but the elements must be positioned to minimize lamination impact
Solution Approach 1:
The security elements are positioned at specific locations on the core layer where they will be visible from the edge but will not interfere with the lamination process. This local placement strategy allows the security features to serve their purpose while maintaining compatibility with the lamination manufacturing process.
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
This approach provides a cost-effective and efficient method to enhance the security of identification documents by making counterfeiting more difficult while maintaining the integrity of the laminate structure, allowing for batch production and easy visual verification.
Implementation Method 1
Incorporating UV or photoluminescent security elements on a transparent or translucent core layer of a laminate structure, which can be printed during batch production and are visible from the edge
Data Source
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AI summary
A laminate structure along with one or more security features is disclosed. The laminate structure may correspond to an identification document, such as an identification card, and may include a core layer with one or more security elements established thereon. As light is emitted into the core layer, the light impacts one or more of the security elements and is re -radiated back out of the core layer, thereby providing an indication that the laminate structure includes the security elements and is, therefore, authentic.