IEEE Sensors Journal · 2014 · 255 citations · 44 references
AgricultureElectrical EngineeringEnvironmental EngineeringEnvironmental MonitoringPackaging DesignSensorsHumidity SensorsIntelligent PackagingPackaging EngineeringPackaging MaterialsPaper PackagingRadio-frequency Identification SystemsHumidityInductive CouplingRadio-frequency IdentificationRadio-frequency Identification TagsRelative Humidity SensingResponse TimeRfid TagsSensitivity
The paper introduces a fully‑printed chipless RFID sensor tag designed for short‑range item identification and humidity monitoring. The tag uses two planar inductor‑capacitor resonators—one encoding ID via frequency spectrum and the other sensing humidity through a paper substrate—whose performance was evaluated on three paper types. Paper substrates, especially commercial packaging paper, deliver high sensitivity and reasonable response time across 20–70 % RH, enabling ultralow‑cost intelligent packaging.
This paper presents a fully-printed chipless radio frequency identification sensor tag for short-range item identification and humidity monitoring applications. The tag consists of two planar inductor-capacitor resonators operating wirelessly through inductive coupling. One resonator is used to encode ID data based on frequency spectrum signature, and another one works as a humidity sensor, utilizing a paper substrate as a sensing material. The sensing performances of three paper substrates, including commercial packaging paper, are investigated. The use of paper provides excellent sensitivity and reasonable response time to humidity. The cheap and robust packaging paper, particularly, exhibits the largest sensitivity over the relative humidity range from 20% to 70%, which offers the possibility of directly printing the sensor tag on traditional packages to make the package intelligent at ultralow cost.
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Inkjet Printing—Process and Its Applications
Madhusudan Singh, Hanna M. Haverinen, Parul Dhagat et al. · Advanced Materials · 2009 · 2.3K citations