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Additively manufactured multi-material free-form structure with printed electronics

Abstract

Additive manufacturing (AM) technique can help reduce time, cost, and complexity of the manufactured parts apart from adding functionality. This work explores AM techniques, namely fused deposition modeling (FDM) and PolyJet printing to fabricate a free-form structure with embedded electrical components. Both additive manufacturing technologies are discussed, analyzed, and compared. Another additive manufacturing method is then employed to print the electronic circuitry inside to connect the components. High-resolution X-ray computed tomography (CT) is employed to investigate the dimensional accuracy of the printed parts. This work demonstrates an innovative approach to construct arbitrary 3D objects with fully functional electronic circuits.

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Correspondence to Wai Yee Yeong.

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The authors declare no conflict of interest.

Electronic supplementary material

Figure S1

(a) Image of (a) silver nanoparticle and (b) carbon paint ink on PolyJet printed substrate. Optical microscope images for (c) silver nanoparticle and (d) carbon paint printed track lines (PPTX 10559 kb).

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Goh, G. ., Agarwala, S., Goh, G.D. et al. Additively manufactured multi-material free-form structure with printed electronics. Int J Adv Manuf Technol 94, 1309–1316 (2018). https://doi.org/10.1007/s00170-017-0972-z

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Keywords

  • Additive manufacturing
  • 3D printing
  • Rapid prototyping
  • Embedded electronics
  • Multi-material printing
  • Structural electronics