太赫兹生物光谱微流控系统技术发展

V. Mille, N. Bourzgui, F. Mejdjoub, L. Desplanque, J. Lampin, P. Supiot, B. Bocquet
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引用次数: 3

摘要

我们研究了一种基于硅衬底涂覆一层厚聚合物的混合技术制造专用于太赫兹光谱的微流控MEMS的可能性。这一层有利于微流体的循环和电磁传播。我们使用RPECVD(远程等离子体增强气相沉积)实现的原始沉积工艺,也称为“冷等离子体”。我们得到的层数高达110 /spl mu/m,没有任何裂缝。我们用矢量网络分析仪测量了这种新型聚合物在220 GHz范围内的介电特性,用电光技术测量了在0.1 ~ 1.2 THz范围内的介电特性。这项技术现在已经准备就绪,可以实现与一次性生物医疗系统兼容的大规模生产。
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Technological development of THz microfluidic microsystems for biological spectroscopy
We investigate a possible fabrication of microfluidic MEMS dedicated to the THz spectroscopy in a mixing technology based on silicon substrate coated with a thick layer of polymer. This layer is useful for the microfluidic circulation and the electromagnetic propagation. We use an original deposition process realized by RPECVD (remote plasma enhanced vapor deposition), called also "cold plasma". We obtain layers up to 110 /spl mu/m without any cracks. We have measured the dielectric characteristics of this new type of polymer up to 220 GHz with a vectorial network analyzer and between 0.1 to 1.2 THz in the time domain with an electro-optic technique. This technology is now ready and allows realizing a mass production compatible with disposable bioMEMS.
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