scholarly journals Programmable Organic Chipless RFID Tags Inkjet Printed on Paper Substrates

2021 ◽  
Vol 11 (17) ◽  
pp. 7832
Author(s):  
Miquel Moras ◽  
Carme Martínez-Domingo ◽  
Roger Escudé ◽  
Cristian Herrojo ◽  
Ferran Paredes ◽  
...  
Keyword(s):  
Transmission Line ◽  
Resonance Frequency ◽  
Manufacturing Process ◽  
Near Field ◽  
Harmonic Signal ◽  
Rfid Tags ◽  
Paper Substrate ◽  
Rfid Tag ◽  
Chipless Rfid ◽  
Paper Substrates

In this paper, an organic, fully recyclable and eco-friendly 20-bit inkjet-printed chipless RFID tag is presented. The tag operates in the near field and is implemented by means of chains of resonant elements. The characterization and manufacturing process of the tag, printed with a few layers of a commercial organic ink on conventional paper substrate (DIN A4), are presented, and tag functionality is demonstrated by reading it by means of a custom-designed reader. The tags are read by proximity (through the near field), by displacing them over a resonator-loaded transmission line, and each resonant element (bit) of the tag is interrogated by a harmonic signal tuned to the resonance frequency. The coupling between the reader line and the resonant elements of the tag produce and amplitude modulated (AM) signal containing the identification (ID) code of the tag.

Design of near-field chipless RFID tags and reader based on transmission line

2013 ◽  
Author(s):  
Won-Seok Lee ◽  
Hyung-Seok Jang ◽  
Wang-Sang Lee ◽  
Kyung-sub Oh ◽  
Jong-Won Yu
Keyword(s):  
Transmission Line ◽  
Near Field ◽  
Rfid Tags ◽  
Chipless Rfid

scholarly journals Near-Field Chipless-RFID System With Erasable/Programmable 40-bit Tags Inkjet Printed on Paper Substrates

2018 ◽  
Vol 28 (3) ◽  
pp. 272-274 ◽  
Author(s):  
Cristian Herrojo ◽  
Javier Mata-Contreras ◽  
Ferran Paredes ◽  
Alba Nunez ◽  
Eloi Ramon ◽  
...  
Keyword(s):  
Near Field ◽  
Rfid System ◽  
Chipless Rfid ◽  
Paper Substrates

scholarly journals Miniaturized Chipless RFID Tags Based on Periodically Loaded Microstrip Structure

2019 ◽  
Vol 9 (5) ◽  
pp. 4679-4684
Author(s):  
M. Added ◽  
K. Rabaani ◽  
S. Chabaan ◽  
N. Boulejfen
Keyword(s):  
Radio Frequency Identification ◽  
Low Cost ◽  
Resonant Circuit ◽  
Rfid Tags ◽  
Frequency Range ◽  
Rfid Tag ◽  
Chipless Rfid ◽  
Frequency Identification ◽  
Coding Capacity ◽  
Microstrip Structure

A compact chipless radio frequency identification (RFID) tag-based on slow-wave technology is introduced in this paper. The tag consists of a resonant circuit based on open stub resonators periodically loaded by shunt stubs allowing a coding capacity of 9 bits and operating in a frequency range from 2 to 4GHz. The receiving and transmitting antennas of the tag are particularly designed to minimize the tag size as much as possible. The proposed tag presents a robust bit pattern with a compact and fully printable structure using FR4 substrate for a low-cost tag.

Design of Double-Layer Copper Sheet for RFID Tags Antenna

2013 ◽  
Vol 787 ◽  
pp. 461-466 ◽  
Author(s):  
Charinsak Saetiaw ◽  
Chanchai Thongsopa
Keyword(s):  
Resonance Frequency ◽  
Double Layer ◽  
Dipole Antenna ◽  
Rfid Tags ◽  
Copper Sheet ◽  
Rfid Tag ◽  
Relative Value

This paper demonstrates a design of double-layer copper sheet suitable for RFID tags antenna called extended double-layer flexible strip dipole antenna. RFID tag antenna is widely used with different surfaces. The result found that RFID tag antenna can be bended or curved responding to the cylinder shape of the objects. Our proposed extended double-layer flexible strip dipole antenna has been technically designed to make changes on itself to obtain the result in increasing resonance frequency when it is being bended. The key concept of the study is the designed antenna which can freely change inside each layer when applying itself on curved object. The result of this design reveals that antenna has better performance than modern antenna. The extended double-layer flexible strip dipole antenna for RFID tags was designed for resonance frequency of 2.45 GHz. Consequently, the analysis of antennas efficiency will be affected by thickness. The designed antenna there will be considered and discussed to find out the relative value in order to use creating the design for the antenna that is suitable for the further study.

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