摘要
　　在本論文內將討論0.95MgTiO3 – 0.05CaTiO3介電陶瓷材料，藉由分別添加不同燒結促進劑ZnO、B2O3、SiO2，探討對其微波特性的影響。
　　材料方面分為三部分：第一部份為單一添加物對0.95MgTiO3 – 0.05CaTiO3微波性質之影響；第二部份為微量添加ZnO對0.95MgTiO3 – 0.05CaTiO3微波性質之影響；第三部份為混合此三種玻璃添加物對0.95MgTiO3 – 0.05CaTiO3微波性質之影響。實驗結果顯示，添加1wt%的ZnO可有效降低燒結溫度到1350℃，此時可得最佳介電特性εr~20.3，Q×f~66300，因此改善了0.95MgTiO3 – 0.05CaTiO3介電陶瓷的微波特性。
　　此外，本論文以FR4、氧化鋁、0.95MgTiO3 – 0.05CaTiO3+1wt%ZnO三種不同基板，製作設計一個緊密的微帶線步階阻抗帶通濾波器，中心頻率定為2.4GHz，頻寬10%。

Abstract
　　The microwave properties of 0.95MgTiO3 – 0.05CaTiO3 dielectric ceramic materials are discussed in this paper. By adding different sintering aids ZnO、B2O3 and SiO2 respectively, we study the existence effects of liquid phase for the microwave properties of 0.95MgTiO3 – 0.05CaTiO3.
　　There are three part about the dielectric material. First, we discuss the properties of 95MCT with single sitering aids. Second, we discuss 0.95MgTiO3 – 0.05CaTiO3 adding a trace of ZnO. Third, we mix 0.95MgTiO3 – 0.05CaTiO3 with those three different sintering aids.. The experiment results show that 0.95MgTiO3 – 0.05CaTiO3 with 1wt% ZnO addition can efficiently reduce sintering temperature to 1350 oC, and it appears the best property: εr~20.3, Q×f~66300. Hence, the microwave properties of 0.95MgTiO3 – 0.05CaTiO3 dielectric ceramic materials is improved.
　　In addition, we design and fabricate compact SIR band-pass filters with 2.4GHz central frequency and 10% bandwidth on FR4, Al2O3 and 0.95MgTiO3 – 0.05CaTiO3 substrates.

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