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Micromachines 2016, 7(11), 201; doi:10.3390/mi7110201

A Rapid Prototyping Technique for Microfluidics with High Robustness and Flexibility

1
State Key Laboratory of Digital Manufacturing Equipment and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
2
Ångström Laboratory, Microsystems Technology, Department of Engineering Sciences, Uppsala University, Uppsala 75121, Sweden
*
Author to whom correspondence should be addressed.
Academic Editors: Maria Farsari and Nam-Trung Nguyen
Received: 16 August 2016 / Revised: 18 October 2016 / Accepted: 1 November 2016 / Published: 8 November 2016
(This article belongs to the Collection Laser Micromachining and Microfabrication)
View Full-Text   |   Download PDF [3760 KB, uploaded 8 November 2016]   |  

Abstract

In microfluidic device prototyping, master fabrication by traditional photolithography is expensive and time-consuming, especially when the design requires being repeatedly modified to achieve a satisfactory performance. By introducing a high-performance/cost-ratio laser to the traditional soft lithography, this paper describes a flexible and rapid prototyping technique for microfluidics. An ultraviolet (UV) laser directly writes on the photoresist without a photomask, which is suitable for master fabrication. By eliminating the constraints of fixed patterns in the traditional photomask when the masters are made, this prototyping technique gives designers/researchers the convenience to revise or modify their designs iteratively. A device fabricated by this method is tested for particle separation and demonstrates good properties. This technique provides a flexible and rapid solution to fabricating microfluidic devices for non-professionals at relatively low cost. View Full-Text
Keywords: prototyping technique; microfluidics; soft lithography; ultraviolet (UV) laser direct writing prototyping technique; microfluidics; soft lithography; ultraviolet (UV) laser direct writing
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Liu, Z.; Xu, W.; Hou, Z.; Wu, Z. A Rapid Prototyping Technique for Microfluidics with High Robustness and Flexibility. Micromachines 2016, 7, 201.

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