Abstract
The detailed design considerations for the printed RFID-based sensor system is presented in this paper. Starting from material selection and metallization method, this paper discusses types of RFID-based sensors (single- & dual-tag sensor topologies), design procedures, and performance evaluation methods for the wireless sensor system. The electrical properties of the paper substrates (cellulose-based and synthetic papers) and the silver nano-particle-based conductive film are thoroughly characterized for RF applications up to 8 GHz. The reported technology could potentially set the foundation for truly “green”, low-cost, scalable wireless topologies for autonomous Internet-of-Things (IoT), bio-monitoring, and “smart skin” applications.
Highlights
Paper has found an almost ubiquitous use in numerous applications due to its low-cost, fabrication maturity, and availability in various forms customized to specific needs and conditions
This paper has introduced the materials and fabrication method for the inkjet-printed radio frequency identification (RFID)-based
This paper has introduced the materials and fabrication method for the inkjet-printed RFID-based sensor system, including paper substrates and conductive nanosensor system, including paper substrates and conductive nano-particle particle film
Summary
Paper has found an almost ubiquitous use in numerous applications due to its low-cost, fabrication maturity, and availability in various forms customized to specific needs and conditions. Silver nano-particle ink is widely utilized for printing conductive traces for paper electronics, many types of nano-particle inks are made from copper (Cu) [5] and gold (Au) [6], due to their low sintering temperatures and high conductivities These attractive properties of inkjet-printed paper electronics (ease of low cost fabrication and prototyping) make the technology a strong candidate for the easy-to-scale implementation of generation electronics, such as the Internet of things (IoT), radio frequency identification (RFID)-based sensor technology, and printed passive/active electronics [7]. A self-sustainable, standalone wireless sensor system having a longer life and lower maintenance costs can be realized by converging printing, passive RFID, and sensor technologies It is a very practical approach since it does not need any specific equipment or system to realize the RFID-based sensor system. Electrical properties of paper substrates popular for RFID tag printing are thoroughly characterized over the broad frequency band up to
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