Journal
APPLIED SURFACE SCIENCE
Volume 298, Issue -, Pages 125-129Publisher
ELSEVIER
DOI: 10.1016/j.apsusc.2014.01.138
Keywords
Ablation; Photo-polymerisation; Digital multi-mirror; Laser material processing; Microstructure fabrication; Micro-contact printing
Categories
Funding
- Engineering and Physical Sciences Research Council (EPRSC) [EP/J008052/1, EP/K023454/1]
- EPSRC [EP/K023454/1, EP/J008052/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [1304065, EP/J008052/1, EP/K023454/1] Funding Source: researchfish
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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. (C) 2014 Elsevier B.V. All rights reserved.
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