Fully Untethered Battery-free Wearable Biomonitoring Stickers via Printed Stretchable Antenna and Far-Field Energy Harvesting

Description

We demonstrate untethered battery-free patches through a series of printed and stretchable antennas for far-field energy harvesting. We introduce digitally fabricated stretchable antennas through low-cost and scalable techniques, i.e. extrusion printing or laser patterning. Here is the relevant data for dipole and PIFA antennas used in the elaboration of the manuscript. It contains the VNA tests for 1) PIFA stretch testing. 2) PIFA antenna made of Cu. 3) PIFA antennas made of Ag. 4) Dipole antenna with foam seperator. 5) Dipole antenna first test without seperator. Also, 6) Simulated PIFA result.

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