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Specific Process Knowledge/Back-end processing/PDMS Microfluidic

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PDMS Lab at DTU Nanolab

Polydimethylsiloxane (PDMS), also known as silicone, has become a fundamental material for fabricating microfluidic devices with applications in health, chemistry, biomedical sciences and more.

DTU Nanolab has a dedicated laboratory for the processing of PDMS and fabrication of microfluidics located in building 347. The PDMS Lab is part of the PolyFabLab and has been equipped with brand-new instruments funded by the Novo Nordisk Foundation, alongside selected equipment and processes from previous facilities.


Material requirements

Process flow

Mixing PDMS resin and degassing

Soft lithography micro molding

Mold surface conditioning

Molding by pouring

Molding by spin coating

Baking – Curing

Demolding

PDMS microfluidic chip

3D printing

Cutting PDMS

Punching

Laser ablation

Machining/milling

Air/water jet machining

Bonding

PDMS/PDMS and PDMS/glass bonding

PDMS/PMMA bonding

References

For further information contact Stephan Sylvest Keller suke@dtu.dk or Claudia Chaves Villarreal cchvi@dtu.dk