Inkjet-printed flexible RFID antenna for UHF RFID transponders Cover

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Inkjet-printed flexible RFID antenna for UHF RFID transponders

Materials Science-Poland

Volume 34 (2016): Issue 4 (December 2016)

By: Grzegorz Tomaszewski, Piotr Jankowski-Mihułowicz, Mariusz Węglarski and Wojciech Lichoń

Open Access

|Nov 2016

Figures & Tables

Geometrical model of transponder antenna

Transponder antenna: (a) geometrical model, (b) cut samples, (c) samples after printing

Nanomaterial deposition problems: (a – e) different parameters of generated drops, (f – h) structure defects

Printhead drops frequency distribution for: a) given speed, b) given volume

Ink spreading problems: (a) lack of regularity, (b) various conditions of wettability, (c) strongly hydrophilic substrate, (d) strongly hydrophobic substrate, (e) heterogeneity in the spread

Morphology of printed structures

Transponder antenna parameters: (a) CMF, (b) a sample under the test

Impedance of transponder antenna: Re(ZA) – real part, Im(ZA) – imaginary part

Transponders under application tests: (a) integration with a PET bottle, (b) integration with a cardboard box, (c) record of the serial number in the RWD application.

Technological parameters used for layers printing

Sample	S1	S2	S3 – S6	S7
Layer 1 print	N1	N25	N47	N47
Layer 2 print	N11	N47	N47	N47
Layer 3 print	–	–	–	N47

Dimensions of realized transponder antenna elements in millimeters

		RV			ARV			RV_MIN			RV_MAX
DES	S1	S3	S7	S1	S3	S7	S1	S3	S7	S1	S3	S7
A	1.60	1.52	1.50	0.10	0.02	0.00	1.58	1.50	1.50	1.65	1.55	1.55
C	1.84	1.76	1.80	0.14	0.06	0.10	1.75	1.70	1.78	1.90	1.85	1.82
D	1.10	1.00	1.00	0.10	0.00	0.00	1.05	1.00	1.00	1.15	1.10	1.10
E	0.48	0.42	0.42	0.02	–0.08	–0.09	0.40	0.38	0.38	0.60	0.48	0.47
F	0.47	0.43	0.45	–0.03	–0.07	–0.05	0.40	0.38	0.40	0.52	0.52	0.52
G	1.64	1.60	1.63	0.14	0.10	0.13	1.55	1.58	1.60	1.70	1.61	1.65
H	0.45	0.40	0.40	–0.06	–0.10	–0.10	0.36	0.38	0.39	0.50	0.53	0.50
HI	0.64	0.65	0.69	0.14	0.15	0.19	0.62	0.55	0.67	0.65	0.68	0.70
I	1.06	1.03	1.01	0.06	0.03	0.01	1.00	1.00	1.00	1.10	1.20	1.20
V	115.30	115.25	115.29	–0.10	–0.15	–0.11	underlined – cross dimension to print direction

Dimensions of transponder antenna elements in millimeters

DES	PV	DES	PV	DES	PV	DES	PV	DES	PV	DES	PV
A	1.50	E	0.50	HI	0.50	L	7.50	P	9.00	U	10.20
B	0.50	F	0.50	I	1.00	M	11.00	R	11.00	V	115.40
C	1.70	G	1.50	J	0.50	N	13.00	S	8.50	Y	35.00
D	1.00	H	0.50	K	14.00	O	10.00	T	11.00	Z	130.00

Maximal distance (read range) for tested transponders in centimeters

POUT	R_PHmax	R_BHmax	R_BVmax
[W]	[cm]	[cm]	[cm]
2.0	13	19	21
1.5	12	17	19
1.0	11	11	15

Parameters of the transponder antenna

	FSM	ROM	S1	S2	S3	S4	S5	S6	S7
Re(Z), Ω	37	51	129	130	114	113	115	110	107
Im(Z), Ω	336	479	433	455	440	447	447	431	449
CMF, –	0.81	0.13	0.26	0.23	0.26	0.24	0.24	0.28	0.24

DOI: https://doi.org/10.1515/msp-2016-0097 | Journal eISSN: 2083-134X | Journal ISSN: 2083-1331

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Language: English

Page range: 760 - 769

Submitted on: Feb 1, 2016

Accepted on: Aug 25, 2016

Published on: Nov 17, 2016

Published by: Wroclaw University of Science and Technology

In partnership with: Paradigm Publishing Services

Publication frequency: 4 issues per year

Keywords:

flexible antenna,

inkjet printing,

RFID transponder,

printed electronics

Related subjects:

Materials sciences,

Materials sciences, other,

Functional and smart materials,

Materials characterization and properties

© 2016 Grzegorz Tomaszewski, Piotr Jankowski-Mihułowicz, Mariusz Węglarski, Wojciech Lichoń, published by Wroclaw University of Science and Technology
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

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