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標題: 設計一新微槳型樑結構量測銅薄膜材料之機械行為
Designing a novel paddle cantilever beam in measurement of the mechanical behavior of copper thin films
作者: 許信男
Hsu, Hsin-Nan
關鍵字: mechanical behavior
paddle cantilever beam
出版社: 精密工程學系所
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摘要: 由於半導體產業及微機電產業之蓬勃發展,並且其尺度線寬已達到微-奈米等級之下,因此,本論文提出了一項新的研究奈米尺度下金屬薄膜材料之機械行為的構想。在這項新的微槳型樑試件上,薄膜材料尺度可以降低至十奈米到幾百奈米。此微槳型試件是藉由標準的黃光製作流程所完成,懸臂樑設計成梯形主要是為了提供均勻平面應力,以避免傳統平行樑應力分佈不均勻的缺點,實驗時沉積金屬薄膜材料於微槳型試件上後,再使用靜電力驅動微槳型結構使其產生偏移量,並且搭配光學干涉儀器,用於量測試件受到外力作用下之平面偏移的數據。 藉由力學理論及數學模型分析計算,最後將實驗結果與理論分析進行驗證且吻合,也就代表著本實驗系統之架構具有可靠性,期許在不久的將來能量測出更多金屬薄膜材料的機械行為,以提供產業及學術界所需要的材料性質,作為產品設計之參考依據。
In this thesis ,a new technique for studying the mechanical behavior of nano-scale thin metal films on silicon substrate is presented. The test structure was designed on this novel “paddle” cantilever beam specimens with dimensions as few hundred nanometers to less than 10 nanometers. This beam is in triangle shape in order to provide uniform plane stress distribution. Standard clean room processing was used to prepare the paddle sample. The experiment can be operated by using the electrostatic deflection on the “paddle”cantilever beam and then measure the deposited thin metal film materials on top of it. The optical interference technique was used to measure the deflection of beam with the force.
其他識別: U0005-2208200813354200
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