Designing Artifical Magnetic Conductor Using Bendable Substrate For RFID Application

Maisarah, Abu (2013) Designing Artifical Magnetic Conductor Using Bendable Substrate For RFID Application. Project Report. UTeM, Melaka, Malaysia. (Submitted)

Text (24 Pages) Designing Artifical Magnetic Conductor Using Bendable Substrate For RFID Application 24 Pages.pdf - Submitted Version Download (543kB)

Abstract

Radio Frequency Identification, (RFID) is one of emerging technology nowadays. It is capable to handle more than one object in one time. Each object will be attached to the tag or transponder which is very small and thin. The tag is one of the important components in RFID system. It consistsof a dipole antenna anda tiny chip that will be used to store the data of the object. The problem in RFID system is whenever the tag is placed near to onto the metal surface (or object) it become invisible. The tag is failed to be detected by the reader‟s antenna because of the behavior of the metal that will reflect all signals received by the tag. Hence, it will change the return loss, gain and efficiency of the tag. In this project, the Artificial Magnetic Conductor, (AMC) is designed to overcome the problem caused by the metal object. AMC is placed at the back of the RFID tag to redirect back the reflected signal. Three types of AMC are designed at frequency of 920 MHz, 2.45 GHz and 5.8 GHz by using different types of substrate and structure. The process started by designing and simulating the design by using CST Studio Suite 2011. After getting the desired result, the design is fabricated onto the substrate using manual etching process. At the end of the process, the fabricated design will be tested using the actual RFID system from the manufacturer to get the maximum read range of the tag when applied to the AMC and metal object.

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