本論文探討包裝體之射頻辨識天線與電波傳播特性，其中乃應用XFDTD時域有限差分與HFSS有限元素套裝軟體進行分析，以針對一款Alien射頻辨識標籤IC進行標籤天線設計，並歸納出一些可調參數，且於本校天線遠場全無反射實驗室中實測所設計天線之特性及可讀取距離，以驗證所設計天線之效能。另一方面，包裝體內所裝載物體對標籤天線與電波傳播均會有顯著影響，其中雖然能針對不同的情況設計適當的天線，不過若要射頻辨識電磁波訊號傳播至堆疊包裝體之標籤天線處，仍然會有困難，以致影響包裝體射頻辨識系統的效能。因此，本研究針對此問題提出一相當具有應用價值之堆疊包裝體標籤天線設計與射頻訊號傳播技術，而該研究成果並申請發明專利中。

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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