Two-Photon Polymerization lithography for three-dimensional micro polymer parts manufacturing evaluation

Ali Davoudinejad, Radu Malureanu, Darwin Palima, Guido Tosello

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

Two-photon polymerization (2PP) technique is one of the common techniques to realize the fabrication of high-quality 3D microstructures. The combination between the laser power, the printing strategy, and the printed feature size are not completely assessed. This study characterizes the additive manufacturing processes by Direct Laser Writing (DLW) for fabrication of 3D microstructures. The printing samples were selected from a certified calibrated set with different sizes consisting of five boxes ranging from 8 μm to 200 μm. The laser power was selected as a variable parameter in order to find out the effect of various powers in printing size and strategy. Six different powers were selected from 0.6 mW to 1.6 mW for each set of the structure. The results show the importance of choosing the right power value, otherwise the structures would be burned for too high power or not completely polymerised for too low one. In addition, they show the importance of a good scaffolding, especially for bigger structures where the geometry can be distorted.
Original languageEnglish
Title of host publicationProceedings of the euspen Special Interest Group Meeting : Micro/Nano Manufacturing
Number of pages3
PublisherThe European Society for Precision Engineering and Nanotechnology
Publication date2017
Publication statusPublished - 2017
Eventeuspen Special Interest Group Meeting: Micro/Nano Manufacturing - University of Strathclyde, Glasgow, United Kingdom
Duration: 8 Nov 20179 Nov 2017

Conference

Conferenceeuspen Special Interest Group Meeting: Micro/Nano Manufacturing
LocationUniversity of Strathclyde
Country/TerritoryUnited Kingdom
CityGlasgow
Period08/11/201709/11/2017

Keywords

  • Additive manufacturing
  • Two - Photon Polymerization
  • Micro manufacturing
  • Polymer components
  • Precision

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