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研究生: 劉文欽
Liu, Wen-Chin
論文名稱: 應用錳矽氧玻璃於非核殼結構BCTZ積層陶瓷電容器之研製
Development of non-core-shell (Ba,Ca)(Ti,Zr)O3 base MLCC with Mn-Si-O glass
指導教授: 黃正亮
Huang, Cheng-Liang
共同指導教授: 李文熙
Lee, Wen-Hsi
學位類別: 碩士
Master
系所名稱: 電機資訊學院 - 電機工程學系
Department of Electrical Engineering
論文出版年: 2010
畢業學年度: 98
語文別: 中文
論文頁數: 46
中文關鍵詞: 抑制燒結非殼核結構
外文關鍵詞: Constraining Sintering, non-core-shell structure
相關次數: 點閱:104下載:5
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  • 本研究利用(Ba,Ca)(Ti,Zr)O3為主要材料,並添加錳矽氧玻璃作為燒結助劑,以卑金屬積層陶瓷電容製程來備製樣品,在其積層的結構中加入釔/矽摻雜之鈦酸鋇抑制層,使樣品中BCTZ基材在燒結時的X及Y方向收縮與晶粒成長受到抑制,進而得到較小平均晶粒分佈所形成的非殼核結構。
    此外亦導入快速燒結的製程,使其在燒結過程中更能有效降低卑金屬電極與陶瓷體之間的收縮應力,亦得到較佳的電極連續性,提昇樣品之電容值特性。
    實驗結果發現,錳矽氧玻璃添加之BCTZ與釔/矽摻雜之鈦酸鋇共燒的基層結構確能有效地抑制BCTZ基材的收縮及晶粒成長,經1260度燒結後其平均晶粒大小可抑制在0.6um,進而影響其電容器相關之介電常數、介電損失及溫度係數等特性。

    The (Ba,Ca)(Ti,Zr)O3 was used as the primary dielectric material in this study. And the Mn-Si-O glass was applied in the BCTZ system as a sintering aids to prepare multilayer ceramic capacitor by BME process. The Yttrium/Silicon doped BaTiO3 material was applied as the constraining layer to inhibit the XY direction shrinkage and grain growth of BCTZ dielectrics while sintering. Then the constrained BCTZ will have smaller mean grain size after sintering process.
    The fast sintering technology was applied in this study also. It could reduce the internal stress caused by sintering shrinkage between base metal electrode and ceramic dielectric. The electrode continuity will become better and the capacitance will be increased.
    The experimental result shows that the constraining construction could inhibit the shrinkage and grain growth of BCTZ dielectrics indeed. The mean grain size could be inhibited around 0.6um after 1260 oC sintering process, the dielectric constant, dissipation factor and temperature dependence characters of capacitor will be affected.

    中文摘要I 英文摘要 II 誌謝 IV 目錄 V 表目錄 VII 圖目錄 VIII 第一章 緒論 1 1-1 前言 1 1-2 研究目的 1 第二章 理論基礎與文獻 2 2-1 積層陶瓷電容器(MLCC)理論 2 2-2鈦酸鋇晶體結構及介電性質12 2-3 抑制燒結機制 19 2-4 快速燒結理論 22 第三章 實驗方法及步驟 25 3-1 實驗材料 25 3-2 樣品製備流程 25 3-3 實驗參數設定 26 3-4 電容器特性分析 27 3-4-1 電性量測 27 3-4-2 MLCC結構確認 27 3-4-3 材料特性計算 28 第四章 結果與討論 29 4-1 抑制層厚度對非核殼結構MLCC之影響 29 4-2 添加錳矽氧玻璃對BCTZ介電材料系統之影響 33 4-3 嵌入式抑制層結構對非核殼MLCC之影響 35 第五章 結論 41 參考文獻 42

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