Tion, H.K.S. All authors have study and agreed to the published version of the manuscript. Funding: This study was supported by grants in the Korea Institute of Oriental Medicine (grant numbers KSN2013310 and KSN2021310). Institutional Overview Board Statement: Not applicable. Informed Consent Statement: Not applicable. Conflicts of Interest: The authors have declared no conflict of interest.
applied sciencesArticleProgrammable Organic Chipless RFID Tags Inkjet Printed on Paper SubstratesMiquel Moras 1 , Carme Mart ezDomingo 1 , Roger Escud1 , Cristian Herrojo 2 , Ferran Paredes 2 , Llu Ter 1 , Ferran Mart two and Eloi Ramon 1, Institut de Microelectr ica de Barcelona, IMBCNM (CSIC), 08193 Bellaterra, Spain; [email protected] (M.M.); [email protected] (C.M.D.); [email protected] (R.E.); [email protected] (L.T.) CIMITEC, Departament d’Enginyeria Electr ica, Universitat Aut oma de Barcelona, 08193 Bellaterra, Spain; [email protected] (C.H.); [email protected] (F.P.); [email protected] (F.M.) Correspondence: [email protected]: Moras, M.; Mart ezDomingo, C.; Escud R.; Herrojo, C.; Paredes, F.; Ter , L.; Mart , F.; Ramon, E. Programmable Organic Chipless RFID Tags Inkjet Printed on Paper Substrates. Appl. Sci. 2021, 11, 7832. https://doi.org/ ten.3390/app11177832 Academic Editor: Oscar Reinoso Garc Received: 28 July 2021 Accepted: 23 August 2021 Published: 25 AugustAbstract: In this paper, an organic, totally recyclable and ecofriendly 20bit inkjetprinted chipless RFID tag is presented. The tag operates in the close to field and is implemented by suggests of chains of resonant components. The characterization and manufacturing approach of your tag, printed having a handful of layers of a industrial organic ink on conventional paper substrate (DIN A4), are presented, and tag functionality is demonstrated by reading it by signifies of a customdesigned reader. The tags are study by proximity (by way of the close to field), by displacing them more than a resonatorloaded transmission line, and each and every resonant element (bit) from the tag is interrogated by a harmonic signal tuned for the resonance frequency. The coupling in between the reader line and also the resonant components with the tag produce and amplitude modulated (AM) signal containing the identification (ID) code of your tag. Search phrases: chipless RFID; organic inks; inkjet printing; printed electronics; secure paper; authentication1. Introduction Paper electronics is really a broad location of versatile electronics with all the concentrate on paper and cellulosebased materials not just as a substrate, but additionally as functional layers for electronic devices [1]. Despite the high porosity and roughness of paper, its use reduces production costs and finds applications in a lot of electronic devices, which include thin film transistors (TFT), passive electronic components, energystorage devices, and MEMS [1,five,7,8]. TFTs are among one of the most basic, and yet, most important elements of modernday electronics [92]. Inkjet printing is Lithocholic acid 3-sulfate-d4 disodium Autophagy actually a recognized deposition technology for manufacturing devices within the field of versatile and printed electronics [137]. The technologies provides different benefits, such as additive printing approach ability, accuracy within the micrometer range, and flexibility in terms of material processing [171]. On account of its positive aspects, the technologies has begun to replace conventional metal subtractive etching/lithographic as well as sputtering/ebeam evaporation technologies in largearea and flexible substrates [22,23]. Thes.
