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研究生: 熊永式
Hsiung, Yung-Shih
論文名稱: A 8×32 CMOS MEMS Capacitive Tactile Sensor Array
8×32 CMOS微電容式觸覺感測器陣列
指導教授: 盧向成
Lu, Shiang-Cheng
口試委員:
學位類別: 碩士
Master
系所名稱: 電機資訊學院 - 電子工程研究所
Institute of Electronics Engineering
論文出版年: 2010
畢業學年度: 98
語文別: 中文
論文頁數: 69
中文關鍵詞: 電容式感測指紋感測微機電系統積體電路
外文關鍵詞: Capacitive, CMOS, MEMS, Fingerprint
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  • 這篇論文,成功的設計和製造可用於指紋感測電容式觸覺感測器陣列,此感測器電容之電極可利用簡便CMOS後製程步驟產生,且此電極是由CMOS電晶體內部之金屬和金屬間介電層所構成,所以不需再作額外的薄膜沉積,且感測電路位於感測結構下方,有助於縮小晶片面積。陣列中的每Pixel大小為 65 μm× 65 μm,最初的感測電容值為12 fF。該晶片量測平均靈敏度為 1.14 fF/Mpa,其感測電容結構彈簧係數為1.424 kN/m,此形式的CMOS(MEMS)指紋感測器跟以前提出CMOS(MEMS) 指紋感測器相比具有價格上的優勢且也能夠成功的感測出指紋圖像。


    第1章. 緒論 11 1-1 研究動機 11 1-2 微機電技術簡介 12 1-3 文獻回顧 15 1-3-1 光學式感測 19 1-3-2 熱感應式感測 20 1-3-3 矽晶片式感測 21 第2章. 感測器之原理及設計 26 2-1 指紋感測原理及機制 26 2-2 感測器之基本架構 29 2-3 電容感測結構設計 31 2-4 感測電路設計 32 2-5 電路與感測電容結構模擬 42 2-5-1 感測電容結構模擬 43 2-5-2 電路模擬部分 47 第3章. 量測結果 51 3-1 感測晶片照像圖 51 3-2 感測結構部份 52 3-2-1 TSMC 2P4M 0.35 µm製程晶片電極製程 52 3-2-2 使用Nano-indenter 量測 54 3-3 電路量測 56 3-4 驗證感測器機制之檢驗 58 3-5 指紋感測 62 第4章. 結論 67 4-1 研究成果與討論 67 4-2 未來工作 67 第5章. 參考文獻 68

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