Minghsin University Institutional Repository:Item 987654321/762
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    Please use this identifier to cite or link to this item: http://120.105.36.38/ir/handle/987654321/762


    Title: 設計與模擬橋墩微米級裂縫感測之 CMOS-MEMS 微結構
    Authors: 蔡健忠
    Contributors: 光電系
    Keywords: 橋墩、微米級裂縫、位移感測、CMOS-MEMS
    Date: 2012-12
    Issue Date: 2013-04-17 12:48:24 (UTC+8)
    Abstract: 本次設計之微結構是依照國家晶片系統設計中心( National Chip Implementation
    Center,CIC )之製程規範做為設計之準則,並採用台積電TSMC 0.35μm 2P4M
    COMS-MEMS 共用製程製作應用於橋墩微米級裂縫感測之CMOS-MEMS 微結構,本元
    件將安裝於橋墩可能產生微米級裂縫處,在橋墩遭受外力衝擊而產生微米級裂縫時,其
    槓桿結構會因槓桿原理而產生反向位移,使微結構之上下電極之間的重疊面積改變,因
    而產生了電容值的變化,藉此電容值量測微米級裂縫之寬度,再將數據轉換成電訊號,
    經放大電路及無線傳輸電路將警示訊號傳送出去,達到自動偵測及預警的效果。此外,
    為了防止微結構作動時,因所承受之外力過大而導致結構斷裂,因此在微結構中加入彈
    簧結構以降低元件所受到的應力。經設計,在彈簧結構之厚度為0.64 μm、彈簧線寬為
    2 μm 且彈簧節數4 其彈簧係數為0.1765 時,可大幅降低受力,減低元件應力。此微米
    級裂縫感測微結構,可大幅提升感測橋墩微米級裂縫之性能。
    Appears in Collections:[Department of Opto-Electronic System Engineering] Research Projects in School

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