Miniaturized pumps and valves, based on conductive polimer actuators, for lab-on-chip application

2013 IEEE 26th International Conference on Micro Electro Mechanical Systems (MEMS 2013) : Taipei, Taiwan, 20-24 January 2013. IEEE International Conference on Micro Electro Mechanical Systems (26th : 2013 : Taipei, Taiwan) Pub Date : 2013-03-07 DOI:10.1109/MEMSYS.2013.6474464

M. Hiraoka, P. Fiorini, B. Vandecasteele, H. Tanaka, T. Podprocky, S. van Put, M. O. de Beeck, T. Matsuno, I. Yamashita

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Abstract

We developed a new type of conductive polymer (CP) actuator, specifically designed for miniaturized pumps and valves for lab-on-a-chip (LoC) applications. CP films soaked in an electrolyte solution reversibly change their thickness upon bias application. A large stroke actuator was fabricated by stacking several CP layers, bonded together by means of epoxy dots. The CP deposition process was optimized for obtaining the low surface roughness required for stacking. The maximum strain of stacked actuators and of individual layers was identical (13%), indicating that the dot gluing process eliminates strain losses previously observed in multi-layers actuators. Pumps and valves were fabricated and mounted on a microfluidic chip.

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小型化泵和阀门，基于导电聚合物致动器，用于芯片上的实验室应用

我们开发了一种新型导电聚合物(CP)致动器，专门设计用于芯片实验室(LoC)应用的小型化泵和阀门。CP膜浸泡在电解质溶液中，在偏压作用下可逆地改变其厚度。将多个CP层叠加在一起，用环氧点粘合成一个大行程驱动器。优化了CP沉积工艺，以获得堆垛所需的低表面粗糙度。堆叠致动器和单独层致动器的最大应变相同(13%)，表明点粘合过程消除了先前在多层致动器中观察到的应变损失。泵和阀被制造并安装在微流控芯片上。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2013 IEEE 26th International Conference on Micro Electro Mechanical Systems (MEMS 2013) : Taipei, Taiwan, 20-24 January 2013. IEEE International Conference on Micro Electro Mechanical Systems (26th : 2013 : Taipei, Taiwan)

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