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13 March 2024 Acrylate-based photoresins for high quality parts made by volumetric additive manufacturing
Chantal Paquet
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Proceedings Volume PC12898, Advanced Fabrication Technologies for Micro/Nano Optics and Photonics XVII; PC128980O (2024) https://doi.org/10.1117/12.2691770
Event: SPIE OPTO, 2024, San Francisco, California, United States
Abstract
Volumetric additive manufacturing (VAM) is a newly developed polymer 3D printing technique that uses tomographic light patterns to fabricate complex 3D objects all-at-once. This volumetric printing platform, however, introduces challenges with photoresin requirements. In this presentation, we will discuss the constraints imposed by VAM on the photoresins and the strategies we are using to circumvent these constraints. The advances, made by understanding the dynamics of acrylate-based chain growth polymerization in 3D volumes, have led to photoresins capable of printing larger objects four times faster with higher resolution. These breakthroughs in photoresin formulations significantly broadens the application space for VAM as it can generate intricate polymer objects with exceptional print fidelity with surface finishes of optical quality.
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Chantal Paquet "Acrylate-based photoresins for high quality parts made by volumetric additive manufacturing", Proc. SPIE PC12898, Advanced Fabrication Technologies for Micro/Nano Optics and Photonics XVII, PC128980O (13 March 2024); https://doi.org/10.1117/12.2691770
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KEYWORDS
Additive manufacturing
3D printing
Printing
Polymers
Light emitting diodes
Optical surfaces
Polymer optics
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