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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 46: P11: Wetting, Micro and Nano Fluidics

CPP 46.17: Poster

Mittwoch, 18. März 2015, 10:00–13:00, Poster A

Application of rapid prototyping techniques to create microfluidic devices — •Fabian Schmid-Michels and Andreas Hütten — Center for Spinelectronic Materials and Devices, Physics Department, Bielefeld University, Germany

Microfluidic devices have applications as analytical systems or biomedical devices and are tools to study various (bio-)chemical reactions. Conventional methods for fabrication are etching glass or silicon, or soft lithography to create a mold for poly(dimethylsiloxane) (PDMS). Soft lithography needs several costly devices and chemicals. By replacing this process with 3D-printing methods like fused filament fabrication, the creation of the mold requires no more chemicals. By using bio-compatible materials it is also possible to directly print simple microfluidic channels for bio-applications. Print resolution below 0.3mm is difficult to achieve and needs careful tuning of the printer. Several techniques and materials are evaluated to achieve better print resolution.