Rapid and mask-less laser-processing technique for the fabrication of microstructures in polydimethylsiloxane

Rapid and mask-less laser-processing technique for the fabrication of microstructures in polydimethylsiloxane

We report a rapid laser-based method for structuring polydimethylsiloxane (PDMS) on the micron-scale. This mask-less method uses a digital multi-mirror device as a spatial light modulator to produce a given spatial intensity pattern to create arbitrarily shaped structures via either ablation or mult...

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Bibliographic Details
Main Authors: Sones, C.L (Author), Katis, I.N (Author), Mills, B. (Author), Feinäugle, M. (Author), Mosayyebi, Ali (Author), Butement, J. (Author), Eason, R.W (Author)
Format: Article
Language:English
Published: 2014-04-15.
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Summary:We report a rapid laser-based method for structuring polydimethylsiloxane (PDMS) on the micron-scale. This mask-less method uses a digital multi-mirror device as a spatial light modulator to produce a given spatial intensity pattern to create arbitrarily shaped structures via either ablation or multi-photon photo-polymerisation in a master substrate, which is subsequently used to cast the complementary patterns in PDMS. This patterned PDMS mould was then used for micro-contact printing of ink and biological molecules.

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