Rapid prototyping of microstructures with bell-shaped cross-sections and its application to deformation-based microfluidic valves

Nobuyuki Futai; Wei Gu; Shuichi Takayama

doi:10.1002/adma.200400595

Rapid prototyping of microstructures with bell-shaped cross-sections and its application to deformation-based microfluidic valves

Nobuyuki Futai, Wei Gu, Shuichi Takayama

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

81 Citations (Scopus)

Abstract

A rapid prototyping method to fabricate microchannels with bell-shaped cross-sections was investigated using backside diffused-light exposure. It was found that these profiles could be used as compressive, deformation-based microfluidic valves. It was observed that the bell-shaped microchannels, when used as deformation-based microfluidic valves, showed improved self-sealing upon compression. It was also observed that the bell-shaped channels maximized the cross-sectional area within microfluidic channels without compromising the ability to completely close channels upon deformation.

Original language	English
Pages (from-to)	1320-1323
Number of pages	4
Journal	Advanced Materials
Volume	16
Issue number	15 SPEC. ISS.
DOIs	https://doi.org/10.1002/adma.200400595
Publication status	Published - 2004 Aug 3
Externally published	Yes

ASJC Scopus subject areas

Materials Science(all)
Mechanics of Materials
Mechanical Engineering

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10.1002/adma.200400595

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AU - Gu, Wei

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AB - A rapid prototyping method to fabricate microchannels with bell-shaped cross-sections was investigated using backside diffused-light exposure. It was found that these profiles could be used as compressive, deformation-based microfluidic valves. It was observed that the bell-shaped microchannels, when used as deformation-based microfluidic valves, showed improved self-sealing upon compression. It was also observed that the bell-shaped channels maximized the cross-sectional area within microfluidic channels without compromising the ability to completely close channels upon deformation.

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Rapid prototyping of microstructures with bell-shaped cross-sections and its application to deformation-based microfluidic valves

Abstract

ASJC Scopus subject areas

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