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Three-Dimensional Chipless RFID Tags: Fabrication through Additive Manufacturing.

Sergio Terranova1, Filippo Costa1, Giuliano Manara1

  • 1Dipartimento di Ingegneria dell'Informazione, Università di Pisa, 56122 Pisa, Italy.

Sensors (Basel, Switzerland)
|August 26, 2020
PubMed
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Researchers developed novel 3D-printed chipless RFID tags using low-cost materials. These tags offer enhanced security for anti-counterfeiting by encrypting data within their inner structure, preventing eavesdropping.

Area of Science:

  • Electrical Engineering
  • Materials Science
  • Cryptography

Background:

  • Traditional Radio Frequency IDentification (RFID) tags face challenges with counterfeiting and data security.
  • Existing chipless RFID solutions often rely on amplitude modulation, which can be vulnerable.
  • Metallic surfaces pose mounting challenges for conventional RFID tag performance.

Purpose of the Study:

  • To propose and evaluate a new class of three-dimensional (3D)-printed chipless RFID tags.
  • To demonstrate a secure data encryption method for RFID tags suitable for anti-counterfeiting.
  • To assess the performance of these novel tags, particularly on metallic surfaces.

Main Methods:

  • Fabrication of 3D-printed chipless RFID tags using low-cost dielectric materials.
Keywords:
3D printingRadio Frequency IDentification (RFID), chipless RFIDadditive manufacturingmounted on metal

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  • Implementation of a novel data-encoding algorithm based on maximizing available states and non-overlapping uncertainty regions.
  • Performance assessment through measurements on physical prototypes, including their behavior on metallic surfaces.

    • Main Results:

    • Successful realization of 3D-printed chipless RFID tags with internally encrypted information.
    • Demonstration of a secure data encoding method distinct from common amplitude schemes.
    • Validation of tag functionality and security features through prototype measurements.

    Conclusions:

    • The proposed 3D-printed chipless RFID tags offer a promising, low-cost solution for anti-counterfeiting and security applications.
    • The internal encryption method enhances security by preventing eavesdropping and visual inspection vulnerabilities.
    • These tags are suitable for mounting on metallic surfaces, expanding their practical applicability.