NFC/RFID Codeword Packaging for Counterfeit Detection
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Solution Overview
Problem
Current packaging technologies are inadequate in effectively detecting counterfeiting and tampering, particularly in complex supply chains where nefarious actors can easily bypass existing resistive-loop tamper detection mechanisms, posing risks to product integrity and patient safety, especially in the pharmaceutical industry.
Innovation Solution
A multilayer laminate structure with a conductive layer and NFC/RFID integrated circuit that senses voltage signals to decode a predefined codeword, providing an indication of suspected counterfeiting or falsification, and includes a transformative material that changes impedance in response to intrusions, making it difficult for counterfeiters to replicate the packaging design.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If resistive-loop tamper detection mechanisms are used, then tampering detection capability is provided, but counterfeiters can easily bypass these mechanisms
Solution Approach 1:
The patent employs a multilayer laminate structure comprising a base layer, a transformative material layer, and a conductive layer. This composite construction integrates multiple functional materials to achieve both mechanical integrity and electrical detection capabilities, making the packaging resistant to both tampering and counterfeiting attempts
Solution Approach 2:
The transformative material changes its electrical properties (impedance, conductivity, or capacitance) in response to environmental conditions such as temperature, humidity, or chemical exposure. This dynamic parameter change provides reliable detection of tampering events and product authenticity, as the electrical characteristics serve as a unique fingerprint that is difficult to replicate
2Measurement precision
If complex NFC/RFID integrated circuits with codeword verification are implemented, then counterfeiting detection accuracy is improved, but device complexity increases
Solution Approach 1:
The patent encodes authentication information in the form of codewords that are read by NFC/RFID integrated circuits. The system verifies authenticity by comparing the read codeword against expected values, providing a simple yet effective verification mechanism that does not require complex hardware
Solution Approach 2:
The NFC/RFID integrated circuit serves multiple functions: it reads the codeword from the packaging, verifies its authenticity, detects tampering events, and provides product traceability. This multi-functionality reduces the need for separate dedicated components for each function
3Reliability
If transformative material is encapsulated between conductive layers, then intrusion detection capability is enhanced, but manufacturing complexity increases
Solution Approach 1:
The transformative material is pre-encapsulated between the conductive layers during the packaging manufacturing process, before the final product assembly. This preliminary action ensures that the sensitive material is protected and pre-positioned correctly, simplifying the overall manufacturing process
Solution Approach 2:
The packaging structure is divided into distinct functional layers: a base layer for structural support, a transformative material layer for detection, and a conductive layer for electrical signaling. This segmentation allows each layer to be optimized and manufactured separately using appropriate processes
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 solution enhances the detection of counterfeiting and tampering by providing a secure and reliable method to verify the authenticity of packaged goods throughout the supply chain, significantly reducing the risk of falsified products reaching consumers.
Implementation Method 1
The NFC/RFID integrated circuit is configured to sense voltage signals produced by the plurality of electrical circuits, determine a sensed codeword based on the sensed voltage signals
Implementation Method 2
The transformative material is configured to change impedance between the first and second conductive layers in response to an intrusion or perforation through at least part of the multilayer laminate structure
Data Source
AI summary
A packaging system for at least one article includes a multilayer laminate structure that encapsulates a transformative material between first and second conductive layers where one of the first and second conductive layers defines a set of elongate sections. An NFC/RFID IC is electrically coupled to an antenna. The NFC/RFID IC has a plurality of input terminals electrically coupled to a plurality of electrical circuits that provide for electrical connection or electrical disconnection between sections in the set of elongate sections in accordance with a predefined codeword. The NFC/RFID IC is configured to sense voltage signals produced by the plurality of electrical circuits, determine a sensed codeword based on the sensed voltage signals, compare the sensed codeword to the predefined codeword, and output a signal based on such comparison. The predefined codeword can be associated with the packaging system for the at least one article or the at least one article, and the output signal output can be related to suspected counterfeiting or falsification of the at least one article. The NFC/RFID IC or an additional NFC/RFID IC can be configured to detect and register an intrusion or perforation in the multilayer laminate structure that relates to suspected tampering.