DocumentCode :
2278837
Title :
Study of a capillary force driven passive valve for a microfluidic package
Author :
Chew, Michelle ; Teo, William ; Xie, Ling ; Premachandran, Cs ; Wong, Wai Hing ; Xu, Diao ; Yao, Qiang
Author_Institution :
Inst. of Microelectron., Singapore
fYear :
2006
fDate :
6-8 Dec. 2006
Firstpage :
448
Lastpage :
453
Abstract :
A capillary force driven passive valve is designed and studied with different valve dimensions to understand the threshold pressure of the valve. A capillary force driven valve has been formed by creating a smaller cross-section compared to the normal fluidic channel. CFD-ACE+, an advanced CFD & multiphysics software is used to conduct simulation to design and study the threshold pressure of the capillary driven passive valves. Circular channels are fabricated on PDMS (poly-dimethylsiloxane) substrate by casting method. The testing set up is based on a hydrostatic design. The simulation, experimental and theoretical results are compared by keeping the larger channel constant, while varying the smaller channels. Studies on the change in the threshold pressure are done with respect to the geometric ratio of the large channel/small channel, keeping the dimension of the large channel constant.
Keywords :
capillarity; computational fluid dynamics; microfluidics; microvalves; CFD-ACE+; PDMS; capillary force driven passive valve; casting method; circular channels; fluidic channel; hydrostatic design; microfluidic package; multiphysics software; polydimethylsiloxane substrate; threshold pressure; Actuators; Chemical analysis; Costs; Fabrication; Fluid flow control; Microfluidics; Packaging; Reservoirs; Silicon; Valves;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Electronics Packaging Technology Conference, 2006. EPTC '06. 8th
Conference_Location :
Singapore
Print_ISBN :
1-4244-0664-1
Electronic_ISBN :
1-4244-0665-X
Type :
conf
DOI :
10.1109/EPTC.2006.342756
Filename :
4147285
Link To Document :
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