期刊
JOURNAL OF MICROMECHANICS AND MICROENGINEERING
卷 21, 期 7, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0960-1317/21/7/075008
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类别
资金
- Science and Technology Key Program of Shandong Province, China [2008GG10004020]
- Harbin Institute of Technology, China
- national science foundation of China (NSFC) [10904072]
- Harbin Institute of Technology [HITQNJS.2009.033]
We have fabricated a microdiverter with a protrusion and a complicated micromixer with grid-like structures in silica glass by using water-assisted femtosecond laser ablation. When distilled water is introduced into the fabricated microchannel, the blocking and redepositing effects of ablated debris can be reduced greatly. The total length of the fabricated microfluidic devices is 6 mm without any deformation. The diameters of the fabricated microchannels can be controlled by changing the used pulse energies and the width of the laser-scanning region inside the sample. The experimental results show that it is possible to fabricate high-quality and high-aspect-ratio complicated microfluidic devices in single step without the need of using photosensitive glass or post-processing.
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