Amirreza Ghaznavi, Jie Xu, Seth A. Hara

A Non-Sacrificial 3D Printing Process for Fabricating Integrated Micro/Mesoscale Molds

  • Electrical and Electronic Engineering
  • Mechanical Engineering
  • Control and Systems Engineering
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Three-dimensional printing technology has been implemented in microfluidic mold fabrication due to its freedom of design, speed, and low-cost fabrication. To facilitate mold fabrication processes and avoid the complexities of the soft lithography technique, we offer a non-sacrificial approach to fabricate microscale features along with mesoscale features using Stereolithography (SLA) printers to assemble a modular microfluidic mold. This helps with addressing an existing limitation with fabricating complex and time-consuming micro/mesoscale devices. The process flow, optimization of print time and feature resolution, alignments of modular devices, and the advantages and limitations with the offered technique are discussed in this paper.

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