Nanosecond pulsed laser micromachining of PMMA-based microfluidic channels

Teixidor, Daniel; Ciurana, Joaquim; Thepsonthi, Thanongsak; Özel, Tuğrul

doi:10.1016/j.jmapro.2012.09.001

Cited by 36 publications

(12 citation statements)

References 10 publications

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“…As a result, formed structures possess higher quality characteristics in contrast to processing with longer pulses [10,11]. The major advantages of femtosecond laser micro-machining are the possibility of formation of complex 3D structures with sub-micron resolution, high productivity; extensive possibilities for automation and rapid prototyping, and a single production stage.…”

Section: Introductionmentioning

confidence: 99%

High-speed and crack-free direct-writing of microchannels on glass by an IR femtosecond laser

Bulushev

Bessmeltsev

Dostovalov

et al. 2016

Optics and Lasers in Engineering

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Section: Introductionmentioning

confidence: 99%

High-speed and crack-free direct-writing of microchannels on glass by an IR femtosecond laser

Bulushev

Bessmeltsev

Dostovalov

et al. 2016

Optics and Lasers in Engineering

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“…In general the channel's width and depth (for polymeric materials) linearly depends on laser power and scanning rates. However, the pulse frequency does not influence the depth and width of channel much [11].…”

Section: Introductionmentioning

confidence: 99%

Laser Ablation Process Competency to Fabricate Microchannels in Titanium Alloy

Ahmed

Darwish

Alahmari

et al. 2015

Materials and Manufacturing Processes

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Laser ablation is one of the competent machining processes to fabricate microfeatures in variety of engineering materials. This study has been progressed to evaluate the process capability of generating microchannels of various sizes (50 Â 50 mm, 100 Â 100 mm, 200 Â 100 mm, and 1000 Â 500 mm) in titanium alloy (Ti6Al4V) using Nd:YAG laser. Channel's top width, bottom width, depth, and taperness are examined as the four process responses against three laser based parameters to the naming of laser intensity, repetition rate, and scan speed. All the geometrical dimensions are measured through photographic snapshots of SEM of each fabricated channel. The results reveal that the selection of channel size is critical to achieve the desired machining geometries. Wider sized channels (such as 200 Â 100 and 500 Â 1000 mm) are experienced as more flexible to be generated than narrower sized channels (50 Â 50 and 100 Â 100 mm). The precise parametric combination is the key to realize more tight dimensional enormities with respect to the targeted machining elements. The most appropriate parametric combinations that can generate the respectable results are explored and applied for machining of different channel sizes.

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“…In general, for polymeric materials, the micro-channel's geometry (width and depth) primarily relies on laser power and scanning speed under linear relationship. However, the frequency of laser pulses does not severely affects the channel's depth and width [237]. Malhotra et al [65] produced micro-channels on transparent alumina ceramic, shiny silicon wafer, sialon, and polycarbonate with laser-induced plasma micro-machining (LIPMM) process and direct laser ablation as shown in Fig.…”

Section: Fabrication Techniquesmentioning

confidence: 99%

Laser Beam Machining, Laser Beam Hybrid Machining, and Micro-channels Applications and Fabrication Techniques

Darwish

Ahmed

Al‐Ahmari

2016

Machining, Joining and Modifications of Advanced Materials

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Laser beam machining (LBM) has proven its applications and advantages over almost all the range of engineering materials. It offers its competences from macro machining to micro and nano-machining of simple-to-complex shapes. The flipside of LBM is the existence of universal problems associated with its thermal ablation mechanism. In order to alleviate or reduce the inherent problems of LBM, a massive research has been done during the past decade and in turn build a relatively new route of laser-hybrid processes. The hybrid approaches in laser ablation have demonstrated much improved results in terms of material removal rate, surface integrity, geometrical tolerances, thermal damage, metallurgical alterations and many more. This chapter reviews the research work carried out so far in the area of LBM and its hybrid processes for different materials and shapes.

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Nanosecond pulsed laser micromachining of PMMA-based microfluidic channels

Cited by 36 publications

References 10 publications

High-speed and crack-free direct-writing of microchannels on glass by an IR femtosecond laser

High-speed and crack-free direct-writing of microchannels on glass by an IR femtosecond laser

Laser Ablation Process Competency to Fabricate Microchannels in Titanium Alloy

Laser Beam Machining, Laser Beam Hybrid Machining, and Micro-channels Applications and Fabrication Techniques

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