Micro mixer with fast diffusion


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Miyake, Ryo and Lammerink, Theo S.J. and Elwenspoek, Miko and Fluitman, Jan H.J (1993) Micro mixer with fast diffusion. In: Micro Electro Mechanical Systems, MEMS '93: 'An Investigation of Micro Structures, Sensors, Actuators, Machines and Systems', Februari 7-10, 1993, Fort Lauderdale, FL, USA.

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Abstract:A concept for micromixing of liquid is introduced, and its feasibility is demonstrated. The mixer allows fast mixing of small amounts of two liquids and is applicable to microliquid handling systems. The mixer has a channel for the liquid, an inlet port for the reagent, a 2.2-mm×2-mm×330-μm mixing area, and 400 micronozzles (15 μm×15 μm) through with a reagent is injected into the sample liquid. The resulting microplumes greatly increase the contact surface between the two liquids and hasten the speed of the mixing by diffusion. The fabrication process is extremely simple. The mixing is complete within a few seconds; a homogeneous state of mixing is reached in 1.2 s when the total volume injected is 0.5 μl and the injection flow rate is 0.75 μl/s
Item Type:Conference or Workshop Item
Copyright:© 1993 IEEE
Faculty:
Electrical Engineering, Mathematics and Computer Science (EEMCS)
Research Group:
Link to this item:http://purl.utwente.nl/publications/17145
Official URL:http://dx.doi.org/10.1109/MEMSYS.1993.296914
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Metis ID: 114040