Rapid Laser Manufacturing of Microfluidic Devices from Glass Substrates
AbstractConventional manufacturing of microfluidic devices from glass substrates is a complex, multi-step process that involves different fabrication techniques and tools. Hence, it is time-consuming and expensive, in particular for the prototyping of microfluidic devices in low quantities. This article describes a laser-based process that enables the rapid manufacturing of enclosed micro-structures by laser micromachining and microwelding of two 1.1-mm-thick borosilicate glass plates. The fabrication process was carried out only with a picosecond laser (Trumpf TruMicro 5×50) that was used for: (a) the generation of microfluidic patterns on glass, (b) the drilling of inlet/outlet ports into the material, and (c) the bonding of two glass plates together in order to enclose the laser-generated microstructures. Using this manufacturing approach, a fully-functional microfluidic device can be fabricated in less than two hours. Initial fluid flow experiments proved that the laser-generated microstructures are completely sealed; thus, they show a potential use in many industrial and scientific areas. This includes geological and petroleum engineering research, where such microfluidic devices can be used to investigate single-phase and multi-phase flow of various fluids (such as brine, oil, and CO2) in porous media. View Full-Text
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Wlodarczyk, K.L.; Carter, R.M.; Jahanbakhsh, A.; Lopes, A.A.; Mackenzie, M.D.; Maier, R.R.J.; Hand, D.P.; Maroto-Valer, M.M. Rapid Laser Manufacturing of Microfluidic Devices from Glass Substrates. Micromachines 2018, 9, 409.
Wlodarczyk KL, Carter RM, Jahanbakhsh A, Lopes AA, Mackenzie MD, Maier RRJ, Hand DP, Maroto-Valer MM. Rapid Laser Manufacturing of Microfluidic Devices from Glass Substrates. Micromachines. 2018; 9(8):409.Chicago/Turabian Style
Wlodarczyk, Krystian L.; Carter, Richard M.; Jahanbakhsh, Amir; Lopes, Amiel A.; Mackenzie, Mark D.; Maier, Robert R.J.; Hand, Duncan P.; Maroto-Valer, M. M. 2018. "Rapid Laser Manufacturing of Microfluidic Devices from Glass Substrates." Micromachines 9, no. 8: 409.
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