Disposable RF Shielding Member for NFC Tag Security
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Solution Overview
Problem
NFC tags in products can be read surreptitiously through packaging, allowing potential hackers to obtain identifying information and exploit the product, and existing solutions like shielding materials can be easily removed and reused.
Innovation Solution
A packaging system comprising an outer container and an inner container with a one-time shielding member made of metallized paper or plastic that obscures NFC or RFID tags, rendering the shielding unusable when the product is removed, ensuring the tag cannot be read until the packaging is opened and providing a physical indication if the product has been previously unpacked.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a shielding member is used to prevent reading of the NFC tag, then the tag security is improved, but the shielding member can be easily removed and reused allowing repeated reading
Solution Approach 1:
The packaging system is configured to be opened only once, with the shielding member integrated into the packaging structure. When the packaging is opened for the first time, the shielding member is automatically removed or destroyed as part of the opening process, preventing any subsequent reuse of the shielding to protect the tag.
Solution Approach 2:
The shielding member is designed as a disposable component that is integrated into the packaging. Once the packaging is opened and the product removed, the shielding member loses its protective function and cannot be reused, ensuring the tag remains secure against repeated unauthorized reading attempts.
2Reliability
If the shielding member is integrated into the packaging, then the tag protection is improved, but the packaging complexity increases
Solution Approach 1:
The shielding member is merged with the packaging structure itself, forming an integrated unit. This combination eliminates the need for separate shielding components and simplifies the overall system while maintaining effective tag protection during packaging.
Solution Approach 2:
The packaging structure serves multiple functions: it protects the product physically, provides RF shielding for the tag, and includes tamper-evident features. This multi-functionality reduces the need for additional separate components, thereby managing complexity while enhancing protection.
3Reliability
If a one-time shielding member is used, then the security against repeated reading is improved, but the manufacturing complexity increases
Solution Approach 1:
The packaging is designed with distinct segments including the outer packaging, the shielding member, and the product holder. This segmentation allows each component to be manufactured separately using standard processes, then assembled together, simplifying production while achieving the one-time shielding effect.
Solution Approach 2:
The shielding member is constructed from composite materials that combine RF-shielding properties with the packaging material. This integration allows the shielding function to be achieved through material selection rather than complex structural design, easing manufacturing while maintaining security.
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
Prevents unauthorized reading of NFC or RFID tags during product packaging and alerts users if the product has been previously unpacked, ensuring the integrity of the tag and product security.
Implementation Method 1
an inner container with a shielding member obscuring the radio frequency readable tag from a radio frequency tag reader
Data Source
Figure 1
Figure 2
AI summary
Disclosed is a packaging system for protecting a radio frequency readable label from being read while the label is on or embedded within a packaged product. The product packaging may include a shielding member that is rendered unusable upon removal of the product from the packaging. The radio frequency readable product label may be on or in a product, and contain information related to the product, such as product identification.