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Issue 18, 2010
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Shrink film patterning by craft cutter: complete plastic chips with high resolution/high-aspect ratio channel

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Abstract

This paper presents a rapid, ultra-low-cost approach to fabricate microfluidic devices using a polyolefin shrink film and a digital craft cutter. The shrinking process (with a 95% reduction in area) results in relatively uniform and consistent microfluidic channels with smooth surfaces, vertical sidewalls, and high aspect ratio channels with lateral resolutions well beyond the tool used to cut them. The thermal bonding of the layers results in strongly bonded devices. Complex microfluidic designs are easily designed on the fly and protein assays are also readily integrated into the device. Full device characterization including channel consistency, optical properties, and bonding strength are assessed in this technical note.

Graphical abstract: Shrink film patterning by craft cutter: complete plastic chips with high resolution/high-aspect ratio channel

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Publication details

The article was received on 29 Mar 2010, accepted on 21 Jun 2010 and first published on 02 Aug 2010


Article type: Technical Note
DOI: 10.1039/C004737F
Citation: Lab Chip, 2010,10, 2472-2475
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    Shrink film patterning by craft cutter: complete plastic chips with high resolution/high-aspect ratio channel

    D. Taylor, D. Dyer, V. Lew and M. Khine, Lab Chip, 2010, 10, 2472
    DOI: 10.1039/C004737F

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