Embedded RFID Tag in Cardboard for Tamper Detection
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Solution Overview
Problem
RFID tags attached to packaging cartons often suffer damage during manufacturing, packaging, and shipping, and there is a need for improved tamper detection methods that are difficult to conceal.
Innovation Solution
Integration of an RFID device with a chip, a near-field antenna, and a detection unit into cardboard substrates or tape, where the outer antenna provides wide-field reporting capabilities and activates the inner antenna upon damage, allowing for detectable tampering and enhanced durability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If RFID tags are attached to packaging cartons, then identification and tracking capabilities are improved, but the tags become vulnerable to damage during manufacturing, packaging, and shipping
Solution Approach 1:
The RFID tag is embedded within the corrugated cardboard structure itself, nesting the electronic component inside the protective packaging material. This eliminates the need for external attachment and protects the tag from physical damage during handling and shipping.
Solution Approach 2:
The patent combines the RFID tag with the cardboard substrate by embedding it during the corrugated board manufacturing process. This merging of the tag and packaging structure ensures they move as a single unit, preventing detachment and damage.
2Reliability
If traditional tamper detection methods are used, then tampering can be detected, but the evidence can be concealed or the detection methods are insufficient
Solution Approach 1:
The RFID tag includes a tamper detection mechanism that provides immediate feedback when the packaging is opened or compromised. The tag's status changes from secure to compromised, and this information is continuously available for reading, preventing concealment of tamper evidence.
Solution Approach 2:
The RFID tag is pre-configured with tamper detection capabilities before the packaging is sealed. The system is ready to detect and record any unauthorized opening or manipulation attempts, ensuring evidence cannot be concealed after the fact.
3Reliability
If RFID tags are embedded in packaging substrates, then tag safety and durability are improved, but manufacturing complexity increases
Solution Approach 1:
The RFID tags are embedded in the corrugated cardboard during the initial manufacturing process, before the packaging is assembled and shipped. This preliminary action integrates the tag into the substrate, eliminating the need for separate attachment steps and reducing overall manufacturing complexity.
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 safety and cost-effectiveness of RFID tags by ensuring consistent detection of tampering and reducing damage, while maintaining operational integrity through strategic antenna configurations and placement within the packaging structure.
Implementation Method 1
RFID is the use of electromagnetic energy to stimulate a responsive device (known as an RFID 'tag' or transponder) to identify itself and, in some cases, provide additional information and/or data stored in the tag
Implementation Method 2
The first antenna may be or include a small ant loop antenna. The first antenna may provide a near field read capability
Data Source
AI summary
In some embodiments, an RFID device includes an RFID chip, a first antenna coupled to the RFID chip, and a cardboard substrate. The RFID chip may be at least one of attached to the cardboard substrate at a position and embedded within the cardboard substrate at the position. The cardboard substrate may form at least part of a carton blank configured to cover the RFID chip position with at least one layer of cardboard when the carton blank has been assembled into a closed box.