Laser micromachining of the materials using in microfluidics by high precision pulsed near and mid-ultraviolet Nd:YAG lasers

Chen, Tai-Chang; Darling, Robert M.

doi:10.1016/j.jmatprotec.2007.06.083

Cited by 34 publications

(14 citation statements)

References 12 publications

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“…The common problems associated with conventional micromachining are tool wear and force-induced damage on ceramic components. 120 These problems can be adequately addressed by using thermal softening by a laser heat source during micro-machining. Thus, laser micro-machining of structural ceramics is still a gray area and has immense potential for research and applications.…”

Section: Laser Micromachiningmentioning

confidence: 99%

Laser machining of structural ceramics—A review

Samant

Dahotre

2009

Journal of the European Ceramic Society

440

169

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Section: Laser Micromachiningmentioning

confidence: 99%

Laser machining of structural ceramics—A review

Samant

Dahotre

2009

Journal of the European Ceramic Society

440

169

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“…Infrared lasers (such as carbon dioxide lasers, widely used for machining and processing) for example, have proven feasible for fabrication of polymer and glass components for microfluidic devices 16,18,37,42,44. Employing ultraviolet lasers for micromachining, on the other hand, allows not only for improved resolution (due to the several-fold decrease in the diffraction limit), but also for utilization of photochemical ablation (due to the photoexcitation at relatively high frequencies) 14,37…”

Section: Development Of Papmentioning

confidence: 99%

Print-and-Peel Fabrication for Microfluidics: What’s in it for Biomedical Applications?

et al. 2009

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This article reviews the development and the advances of print-and-peel (PAP) microfabrication. PAP techniques provide means for facile and expedient prototyping of microfluidic devices. Therefore, PAP has the potential for broadening the microfluidics technology by bringing it to researchers who lack regular or any accesses to specialized fabrication facilities and equipment. Microfluidics have, indeed, proven to be an indispensable toolkit for biological and biomedical research and development. Through accessibility to such methodologies for relatively fast and easy prototyping, PAP has the potential to considerably accelerate the impacts of microfluidics on the biological sciences and engineering. In summary, PAP encompasses: (1) direct printing of the masters for casting polymer device components; and (2) adding three-dimensional elements onto the masters for single-molding-step formation of channels and cavities within the bulk of the polymer slabs. Comparative discussions of the different PAP techniques, along with the current challenges and approaches for addressing them, outline the perspectives for PAP and how it can be readily adopted by a broad range of scientists and engineers.

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“…This may be explained by the fact that quartz is totally transparent at the wavelength employed, while the glass is highly absorptive. Absorbed energy generates heat, causing the nanofilaments to be removed faster, and a certain amount of the solidified molten material remains in the cutting kerfs due to the thermal processes associated with nanosecond pulse laser ablation [22,23].…”

Section: Resultsmentioning

confidence: 99%

Micropatterning of superhydrophobic silicone nanofilaments by a near-ultraviolet Nd:YAG laser

2010

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We demonstrate that a recently developed coating composed of superhydrophobic silicone nanofilaments can be selectively functionalized to yield well defined micron-scale patterns of contrasting wettabilities (superhydrophobic/hydrophilic and amphiphobic/amphiphilic). Nanofilament ablation was performed using a near-ultraviolet (UV) laser with a wavelength of 355 nm and a repetition rate of 10 kHz. This is a highly promising approach for open channel microfluidics and microarray analysis due to its simplicity, the chemical and environmental stability of the coating, and the low cost.

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Laser micromachining of the materials using in microfluidics by high precision pulsed near and mid-ultraviolet Nd:YAG lasers

Cited by 34 publications

References 12 publications

Laser machining of structural ceramics—A review

Laser machining of structural ceramics—A review

Print-and-Peel Fabrication for Microfluidics: What’s in it for Biomedical Applications?

Micropatterning of superhydrophobic silicone nanofilaments by a near-ultraviolet Nd:YAG laser

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