| Summary: | 碩士 === 國立臺灣科技大學 === 電機工程系 === 93 === This thesis studies the antenna and wave propagation properties of the radio frequency identification (RFID) for packaging objects. A finite difference time domain software package XFDTD and a finite element software package HFSS are applied in this study. Particularly, a tag antenna for Alien RFID IC is designed and some parameters to control the properties of the tag antenna are evaluated. Also, measurements of the properties and the readable distance of the tag antenna are performed in NTUST Antenna Far-field Anechoic Chamber to verify the performance of the tag antenna design. On the other hand, contains in packages will influence tag antenna and wave propagation properties significantly. Although different antenna designs may be employed for specific applications, wave propagation through stacked packages is usually a difficult problem. Thus, the efficiency of the packaging RFID system may be affected. To solve this problem, a practical method for the antenna design and wave propagation in stacked packages has been studied. Patent applications are submitted for the results developed in this study.
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