This paper presents the first printed organic 13-MHz RFID on flexible substrate. The proposed solution includes a planar near field antenna bonded to an RFID tag, which is printed on flexible foil using an organic complementary TFT technology. Thanks to an active envelope detector, ASK modulation with modulation depth as low as 20% can be adopted to increase the available input power for the rectifier. The RFID functionality is demonstrated at the internally generated supply voltage of 24 V, for a reading range of 2-5 cm and a bit-rate up to 50 bit/s. With more than 250 transistors on the same foil, this work represents the most complex circuit ever published in a printed organic complementary TFT technology.

An integrated 13.56-MHz RFID tag in a printed organic complementary TFT technology on flexible substrate

FIORE, VINCENZO;BATTIATO, PLACIDO SALVATORE;Ragonese E;PALMISANO, Giuseppe
2015-01-01

Abstract

This paper presents the first printed organic 13-MHz RFID on flexible substrate. The proposed solution includes a planar near field antenna bonded to an RFID tag, which is printed on flexible foil using an organic complementary TFT technology. Thanks to an active envelope detector, ASK modulation with modulation depth as low as 20% can be adopted to increase the available input power for the rectifier. The RFID functionality is demonstrated at the internally generated supply voltage of 24 V, for a reading range of 2-5 cm and a bit-rate up to 50 bit/s. With more than 250 transistors on the same foil, this work represents the most complex circuit ever published in a printed organic complementary TFT technology.
2015
amplitude shift keying;flexible electronics;HF antennas;organic semiconductors;planar antennas;radiofrequency identification;rectifiers;substrates;transistors;integrated RFID tag;printed organic complementary TFT technology;flexible substrate;planar near field antenna;flexible foil;active envelope detector;ASK modulation;modulation depth;frequency 13.56 MHz;voltage 24 V;Radiofrequency identification;Thin film transistors;Antennas;Logic gates;Capacitance;Modulation;Active detection;ASK modulation;mixed analog-digital circuits modulation index;organic circuits;pentacene;polyimide;radio frequency identification;silent tag;spiral antenna;sub-threshold;thin film transistor
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.11769/19402
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