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Two-component injection molding for micofluidic devices

机译：微流体装置的两组分注塑

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摘要

In recent years there has been an increasing demand for functional integration in microfluidic devices. This integration often requires the use of different materials in order to generate the demanded performance. Typical examples for such integrated functionalities are on-chip valves or areas used for sealing one component against another, e.g. a microfluidic manifold against a sensor chip. Such functionalities have been described in the literature mainly by using elastomeric materials such as PDMS. However this material suffers from the lack of suitable high-volume manufacturing processes and its high material cost. For production of such hybrid material devices, two-component injection molding can prove to be a suitable microfabrication method. In our paper we will present several examples for such two-component injection molded microfluidic components such as a mechanical turning valve, microfluidic chips with gasketing structures and chips with plug seals to close a fluidic port.
机译：近年来，对微流体装置中的功能集成的需求不断增长。这种集成通常需要使用不同的材料才能产生所需的性能。这种集成功能的典型示例是片上阀或用于将一个组件密封到另一个组件上的区域，例如密封件。微流体歧管紧靠传感器芯片。在文献中主要通过使用弹性体材料例如PDMS描述了这种功能。但是，这种材料缺乏合适的大批量制造工艺，并且其材料成本较高。为了生产这种混合材料装置，两组分注射成型可以证明是合适的微加工方法。在我们的论文中，我们将介绍这种双组分注射成型微流体组件的几个示例，例如机械转向阀，具有垫圈结构的微流体芯片以及具有用于封闭流体端口的塞子密封的芯片。

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