Fabricating PDMS Devices at Bench Side with 3D Printed Master Molds | CADworks3D
CADworks3D is dedicated to empowering microfluidic research with a complete 3D printing solution.
Watch the process of how we fabricate this inertial microfluidic device using rapid soft lithography and a 3D printed master mold. Fabrication times is a single day at bench side - no clean rooms needed. Fabrication steps found below:
1. A master mold is 3D printed using the ProFluidics 285D printer and Master Mold for PDMS photopolymer resin.
2. The mold is cleaned with an isopropyl alcohol rinse, dried with compressed air and then cured under a UV light source.
3. Polydimethylsiloxane (PDMS) is prepped, degassed, poured into the master mold, and baked in a conventional lab oven.
4. Once cured, the PDMS device is extracted from the master mold and bonded to a glass substrate with oxygen plasma treatment. After which it is ready for flow testing.
3D Printer: ProFluidics 285D
3D Material: Master Mold for PDMS Photopolymer Resin
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