研究生: |
洪思遠 Hung, Sz-Yuan |
---|---|
論文名稱: |
以all-polymer材料製作壓阻式壓力感測器 Design and fabrication piezoresistive pressure sensor based on all-polymer materials |
指導教授: |
林唯耕
Lin, Wei-Keng 王本誠 Wang, Pen-Cheng |
口試委員: |
王本誠
Wang, Pen-Cheng 周文祥 |
學位類別: |
碩士 Master |
系所名稱: |
原子科學院 - 工程與系統科學系 Department of Engineering and System Science |
論文出版年: | 2011 |
畢業學年度: | 99 |
語文別: | 中文 |
論文頁數: | 79 |
中文關鍵詞: | 導電高分子 、壓阻式壓力感測器 、壓阻特性 、孔洞性結構 |
相關次數: | 點閱:3 下載:0 |
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壓力感測在各領域上被廣泛使用,如醫學上用於足壓量測、關節壓力分析、義肢配合、牙齒咬合等…方面,由壓力分布量測,可提供醫師指標,協助病患矯正不良姿勢;工業上應用於輪圈和輪胎之壓力分布量測,經由壓力分布量測可以改善輪胎和輪圈之最佳化設計;也可用於機台壓力分布量測,藉由壓力分布量測可協助校正機台;在電子構裝散熱上,接觸面積大小是一個重要因素,透過壓力分布量測,可以觀測散熱模組與熱源是否有密合接觸,做為平整度分析之參考數據,以此改善散熱模組效率。
傳統壓力感測器造價昂貴且不易大面積製作,高分子材料具備容易加工、價格便宜、環境容忍度佳,本實驗遂以全高分子聚合物為材料,設計出一具備壓阻特性之壓阻式壓力感測器;該感測器為一三明治結構之感測器,由上、下電極和中間之可變電阻層所構成,可變電阻層具備孔洞性結構,當壓力感測器受壓時,可變電阻層受到壓縮,感測器之電阻變小,而當壓力釋放時可變電阻層恢復原狀,感測器之電阻值變大。
本實驗以一定壓壓力裝置對壓力感測器進行性能測試,測試方式以24.2(kN/m2)為一壓力單位,逐漸增大施加壓力至145.2(kN/m2),同時以三用電錶量測壓力感測器之電阻值,以此觀察壓力感測器之壓阻特性;實驗結果顯示吾人成功設計出全高分子聚合物壓力感測器,該感測器具備〝電阻值隨施加壓力增大而漸小〞之壓阻特性。
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