Evaluation of Lateral and Vertical Dimensions of Micromolds Fabricated by a PolyJet™ Printer.
PolyJet 3D printing
fidelity of 3D printing
microfluidics
Journal
Micromachines
ISSN: 2072-666X
Titre abrégé: Micromachines (Basel)
Pays: Switzerland
ID NLM: 101640903
Informations de publication
Date de publication:
13 Mar 2021
13 Mar 2021
Historique:
received:
29
12
2020
revised:
03
03
2021
accepted:
09
03
2021
entrez:
3
4
2021
pubmed:
4
4
2021
medline:
4
4
2021
Statut:
epublish
Résumé
PolyJet™ 3D printers have been widely used for the fabrication of microfluidic molds to replicate castable resins due to the ease to create microstructures with smooth surfaces. However, the microstructures fabricated by PolyJet printers do not accurately match with those defined by the computer-aided design (CAD) drawing. While the reflow and spreading of the resin before photopolymerization are known to increase the lateral dimension (width) of the printed structures, the influence of resin spreading on the vertical dimension (height) has not been fully investigated. In this work, we characterized the deviations in both lateral and vertical dimensions of the microstructures printed by PolyJet printers. The width of the printed structures was always larger than the designed width due to the spreading of resin. Importantly, the microstructures designed with narrow widths failed to reproduce the intended heights of the structures. Our study revealed that there existed a threshold width (
Identifiants
pubmed: 33805817
pii: mi12030302
doi: 10.3390/mi12030302
pmc: PMC7998153
pii:
doi:
Types de publication
Journal Article
Langues
eng
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