An Embroidered Slot-loaded Patch Antenna for Characterization of Dielectric Materials

Michael Elsdon*, Shahrzad Zahertar, Hamdi Torun, Linzi E. Dodd

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Embroidery has been recently introduced as a new method to realize sensors especially for wearables. In this paper, we present a slot-loaded embroidered patch antenna to provide a simplified setup which allows the antenna to act as a stand-alone resonator. The design procedure, simulation and implementation of an embroidered sensor are presented and discussed. It is demonstrated that this structure can be used without any need for external antennas as a wireless sensor. To demonstrate the feasibility of this technique, the design process using a slot-loaded antenna to achieve a high Q antenna, fabricated on an FR4 substrate, is presented and discussed. This structure is then manufactured, with practical results shown to agree with simulated results. Using this as a basis for subsequent designs, an embroidered slot-loaded patch is presented and discussed. We demonstrate this capability in an experiment where a set of solvents inside plastic bottles were interrogated using the embroidered antennas.
Original languageEnglish
Pages (from-to)183-193
Number of pages11
JournalProgress In Electromagnetics Research C
Publication statusPublished - 13 Dec 2022


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