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Updated: May 24, 2026

Hybrid Printing for the Fabrication of Smart Sensors

Hybrid Printing for the Fabrication of Smart Sensors

Published on: January 31, 2019

RFID label tag design for metallic surface environments.

Chong Ryol Park¹, Ki Hwan Eom

¹Department of Electronic Engineering, Dongguk University, 3-26, Pil-dong, Joong-gu, Seoul, Korea. parkcr@dongguk.edu

Sensors (Basel, Switzerland)

|February 21, 2012

Summary

This summary is machine-generated.

This study presents a simple method for making metal-mountable RFID tags using Styrofoam. The enhanced RFID tags reliably communicate on metallic surfaces, achieving 2m read distances comparable to commercial tags.

Keywords:

RFID tag electric transformers metallic surface supply chain

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Area of Science:

Materials Science
Electrical Engineering
Supply Chain Management

Background:

Radio Frequency Identification (RFID) tags often malfunction on metallic surfaces due to signal interference.
Existing metallic mountable RFID tags can be expensive or complex to implement.

Purpose of the Study:

To develop a cost-effective and reliable RFID tag solution for metallic surfaces.
To evaluate the performance of modified commercial RFID tags in a real-world supply chain environment.

Main Methods:

Commercial label-type RFID tags were modified by attaching a 2.5 mm thick Styrofoam layer with a relative permittivity of 1.03 to their back.
The performance of these modified tags was tested on an electric transformer supply chain system.

Main Results:

The modified RFID tags demonstrated reliable communication on metallic surfaces.
Communication with RFID readers was achieved from a distance of 2 meters.
The recognition rates of the proposed tags were found to be comparable to commercial metallic mountable tags.

Conclusions:

The proposed Styrofoam-based modification is an effective method for enabling standard RFID tags to function reliably on metallic surfaces.
This approach offers a practical and cost-efficient alternative for metallic asset tracking in supply chain systems.