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    題名: On gas-permeation in PDMS
    作者: Yang, Lung-Jieh
    貢獻者: 淡江大學機械與機電工程學系
    日期: 2010-10
    上傳時間: 2011-10-14 14:18:00 (UTC+8)
    出版者: Bristol: Institute of Physics Publishing Ltd.
    摘要: A theoretical model of gas permeation in polydimethylsiloxane (PDMS) is conducted for two prior works involving MEMS sensors and actuators. The issue for modeling a sensor is about using PDMS slabs to replace Pyrex glass as the packaging substrate for bulk-micromachined pressure sensors. The leakage pressure due to gas permeation in PDMS reveals the time-varying behavior of exponential decay. The issue for modeling an actuator is the flow rate in a PDMS-based gas permeation pump. The nonlinear dependence of the flow rate with the diffusion area can be explained by this model. The prediction of this theoretical result is therefore in qualitative agreement with two previous experimental data sets by a conventional curve-fitting technique.
    關聯: Journal of Micromechanics and Microengineering 20(11), 115033(7pages)
    DOI: 10.1088/0960-1317/20/11/115033
    顯示於類別:[機械與機電工程學系暨研究所] 期刊論文


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