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Printed, flexible, compact UHF-RFID sensor tags enabled by hybrid electronics

delete2020-10-06
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OA
AI
C
Carol Baumbauer
M
Matthew G. Anderson
J
Jonathan Ting
A
Akshay Sreekumar
J
Jan M. Rabaey
A
Ana Claudia Arias *
A
Arno Thielens
DOI:10.1038/s41598-020-73471-9delete
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Abstract

Abstract

En 中文
Sensor data can be wirelessly transmitted from simple, battery-less tags using Radio Frequency Identification (RFID). RFID sensor tags consist of an antenna, a radio frequency integrated circuit chip (RFIC), and at least one sensor. An ideal tag can communicate over a long distance and be seamlessly integrated onto everyday objects. However, miniaturized antenna designs often have lower performance. Here we demonstrate compact, flexible sensor tags with read range comparable to that of conventional rigid tags. We compare fabrication techniques for flexible antennas and demonstrate that screen and stencil printing are both suitable for fabricating antennas; these different techniques are most useful at different points in the design cycle. We characterize two versions of flexible, screen printed folded dipoles and a meandered monopole operating in the 915 MHz band. Finally, we use these antennas to create passive sensor tags and demonstrate over the air communication of sensor data. These tags could be used to form a network of printed, flexible, passive, interactive sensor tags.
Keywords:
MONOPOLE ANTENNA
PAPER SUBSTRATE
DESIGN
FABRICATION
MODULE
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Journal

Scientific Reports cover
Scientific Reports
IF:
3.9
Papers:
27.1W
Citations:
83.5W

Organization

University of California System cover
University of California System
Scholars:
37.5W
Papers: 33.7W
Citations: 6.6K