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Customization of Poly(dimethylsiloxane) Stamps by Micromachining Using a Femtosecond-Pulsed Laser

✍ Scribed by D.B. Wolfe; J.B. Ashcom; J.C. Hwang; C.B. Schaffer; E. Mazur; G.M. Whitesides

Publisher: John Wiley and Sons
Year: 2003
Tongue: English
Weight: 203 KB
Volume: 15
Category: Article
ISSN: 0935-9648
DOI: 10.1002/adma.200390012

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✦ Synopsis

A femtosecond‐pulsed Ti:sapphire laser is used to generate surface features in slabs of poly(dimethylsiloxane) with minimum dimensions of 1 μm—smaller than those available by rapid‐prototyping techniques using transparency masks. The fabrication of magnetic field concentrators and the addition of custom features to a generic microfluidic channel (see Figure) demonstrate the utility of the technique.