- 期刊
A Comparison of Polymer Composites for Development of Flexible Sensor Array
高分子複合材料應用於發展可撓式感測陣列之比較
摘要
將導電微粒加入高分子基材製成的高分子複合材料可具有壓阻特性。本論文探討石墨粉、碳黑、奈米碳纖混合銅粉分別對於聚二甲基矽氧烷壓阻特性的影響，以作為發展可撓式感測陣列之參考。本論文針對這些複合材料的溫度與觸覺感測功能進行分析，結果顯示奈米碳纖混合銅粉作為導電微粒，雜訊低而適合發展觸覺感測器。針對此材料，本研究發展出利用自動點膠機與軟性電路板的簡單製程，成功製作出可撓式壓力與溫度感測器陣列。
關鍵字
無資料並列摘要
Polymer composites could become piezoresistive by adding proper conductive fillers into the matrix. Three different kinds of conductive fillers, graphite powders, carbon black and carbon nano-fibers mixed with copper powders, mixed with polydimethlysiloxane (PDMS) were investigated for the purpose of developing flexible sensor arrays. These composites were characterized and compared for temperature and tactile sensation, respectively. The graphite powders are suitable fillers in PDMS for fabricating temperature sensor array with high sensitivity. Carbon nanofibers mixed with copper powders are suitable fillers for fabricating pressure/tactile sensor array with low signal noises. Based on these polymer composites, a simple fabrication process of flexible sensing array by utilizing automatic dispensing system and flexible printed circuit was proposed and demonstrated. Using this method, temperature and tactile sensor arrays can be easily integrated on a flexible substrate.
延伸閱讀
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