The design of an in-plane compliance structure for microfluidical systems

T.T. Veenstra; N.R. Sharma; F.K. Forster; Johannes G.E. Gardeniers; Michael Curt Elwenspoek; Albert van den Berg

doi:10.1016/S0925-4005(01)00964-9

The design of an in-plane compliance structure for microfluidical systems

T.T. Veenstra, N.R. Sharma, F.K. Forster, Johannes G.E. Gardeniers, Michael Curt Elwenspoek, Albert van den Berg

Research output: Contribution to journal › Article › Academic › peer-review

12 Citations (Scopus)

Abstract

Two compliance structures for the use in liquid-based microfluidic systems have been realized with the aid of silicon micromachining. The basic principle is that these structures contain air bubbles that dampen the flow and pressure variations that may arise from a micropump. The compliance structures were specifically designed to work with the no moving parts valve (NMPV) pump [Proc. ASME Fluids Eng. Division, 1995, in press]. The structures were modeled and simulated. From the results of these simulations and the model, design rules for the compliance are formulated. Measurements on the compliance structures could only be performed for the steady state. These measurements were in very good agreement with the model. Working with two sets of pumps showed that pumps without the compliance structure needed an external compliance in order to get them to work, whereas the pumps with the on-chip compliance pumped right away.

Original language	Undefined
Pages (from-to)	377-383
Number of pages	7
Journal	Sensors and actuators
Volume	81
Issue number	2-3
DOIs	https://doi.org/10.1016/S0925-4005(01)00964-9
Publication status	Published - 5 Jan 2002

Keywords

IR-42665
METIS-202474
EWI-12732

Access to Document

10.1016/S0925-4005(01)00964-9

http://eprints.eemcs.utwente.nl/secure2/12732/01/JSAA_81_377.pdf

Cite this

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abstract = "Two compliance structures for the use in liquid-based microfluidic systems have been realized with the aid of silicon micromachining. The basic principle is that these structures contain air bubbles that dampen the flow and pressure variations that may arise from a micropump. The compliance structures were specifically designed to work with the no moving parts valve (NMPV) pump [Proc. ASME Fluids Eng. Division, 1995, in press]. The structures were modeled and simulated. From the results of these simulations and the model, design rules for the compliance are formulated. Measurements on the compliance structures could only be performed for the steady state. These measurements were in very good agreement with the model. Working with two sets of pumps showed that pumps without the compliance structure needed an external compliance in order to get them to work, whereas the pumps with the on-chip compliance pumped right away.",

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AU - Veenstra, T.T.

AU - Sharma, N.R.

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AU - Gardeniers, Johannes G.E.

AU - Elwenspoek, Michael Curt

AU - van den Berg, Albert

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