可植入微系统用高分子封装材料的阻隔性能

2013 IEEE XXXIII International Scientific Conference Electronics and Nanotechnology (ELNANO) Pub Date : 2013-04-16 DOI:10.1109/ELNANO.2013.6552075

S. Kirsten, Jakob Wetterling, J. Uhlemann, K. Wolter, Sergej Zigler

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引用次数: 6

摘要

与广泛使用的刚性钛或陶瓷包装相比，用于可植入微系统的柔性封装的生物相容性聚合物具有许多优点。然而，聚合物由于与环境的相互作用而改变了它们的性质。因此，这些材料的保护功能不可靠，特别是对于长期植入物。因此，我们研究了有机硅和聚对二甲苯膜对水蒸气的阻隔性能。我们将这些聚合物组合成一个多层膜，以增强这种封装系统的保护功能。在两个聚合物层之间应用粘合剂可以显著提高样品的强度和屏障性能。

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Barrier properties of polymer encapsulation materials for implantable microsystems

Biocompatible polymers utilized for flexible encapsulations of implantable microsystems provide many advantages compared to widely used rigid titanium or ceramic packages. However, polymers alter their properties due to interactions with their environment. As a result the protective function of these materials especially for long-term implants is not reliable. Therefore, we investigated barrier properties against water vapor of silicone and Parylene C membranes. And we combined these polymers to a multi-layer membrane to enhance the protective function of such an encapsulation system. Applying a bonding agent between two polymer layers increases the strength of the sample as well as the barrier properties significantly.

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2013 IEEE XXXIII International Scientific Conference Electronics and Nanotechnology (ELNANO)

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