What are On-Board Valves and How Do They Work?
On-board valves provide control of the fluid circuit through the external application of pressure against a flexible material. The main advantages are the ability to add a lot of functions in a small area, making it compatible with small portable test platforms, and the ability to de-couple the electromechanical components from the fluids, enabling disposable fluidic devices in which the fluids never contact the electromechanical components.
In this article we review the different types of valves used in microfluidics and discuss their method of manufacture.
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