A study of the relationship between the difference mesurements of radio frequencies for laboratory designs of Chiphless RFID and the effect of the different readability probabilities of radio frequencies

Document Type : scientific articles

Authors

1 Faculty of Applied Arts - Helwan University

2 استاذ النظم الطباعية

3 Printing, Packaging & Publishing Department- Faculty of Applied Arts - Helwan University - Cairo- Egypt

4 استاذ تصميم المطبوعات

Abstract

Abstract:

We are use a conductive silver ink that has been specified and reproduced through an electrochemical deposition process that with a very low conductivity value (0.6-4)ohm/cm, that used for printing printed chipless RFID tags that determined for each design in the form and method of vertical projection of radar cross section (RCS) and radio frequencies on samples of paper materials (banknote paper - couche paper) According to the previously described specifications for the printing base materials, using screen printing mesh 43 lines / inch which samples of different designs are printed and the results are measured on the design and simulation program (CST) as well as on the vector analysis device after the printing process, where the samples of printing designs are compared and affected by the difference in the readability of radio frequencies and then Results are represented by curves for laboratory comparisons of these samples.

Key Words:

Computer Simulation Technology، Vector Network Analyzer

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