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Proceedings Paper

Novel fabrication technology of polydimethylsiloxane microfluidic chip
Author(s): Bo Su; Yanqiu Li; Hongguang Sun
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Paper Abstract

The fabrication of PDMS microfluidic chip was reported. The microchip was composed of multimode optical fiber, PDMS cover slab and PDMS base slab. The mould of cover slab was achieved by using twice exposal technology and the microfluidic chip was fabricated with casting PDMS method. The microfluidic channel with a 50μm depth and the fiber channel with a 90μm depth were formed in the PDMS cover slab, and another fiber channel with a 40μm depth were made in the PDMS base slab, so the centers of the microfluidic channel and the fiber could be located in the same plane. Several factors, which affect the characteristic of the chip, were discussed. The experiment was achieved with the fabricated chip to separate Fluorescein Isothiocyanate (FITC) and FITC-labeled amino acid mixture reagent, and the feasibility of the chip was approved.

Paper Details

Date Published: 19 November 2007
PDF: 5 pages
Proc. SPIE 6724, 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Design, Manufacturing, and Testing of Micro- and Nano-Optical Devices and Systems, 672410 (19 November 2007); doi: 10.1117/12.782732
Show Author Affiliations
Bo Su, Institute of Electrical Engineering (China)
Yanqiu Li, Beijing Institute of Technology (China)
Hongguang Sun, Institute of Electrical Engineering (China)


Published in SPIE Proceedings Vol. 6724:
3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Design, Manufacturing, and Testing of Micro- and Nano-Optical Devices and Systems
Sen Han; Tingwen Xing; Yanqiu Li; Zheng Cui, Editor(s)

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