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10 March 2020 High resolution volumetric additive manufacturing (Conference Presentation)
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Abstract
In volumetric additive manufacturing, an entire three-dimensional object is simultaneously solidified by irradiating a liquid photopolymer volume from multiple angles with dynamic light patterns. Though volumetric additive manufacturing has the potential to produce complex parts with a higher throughput and a wider range of printable materials than layer-by-layer additive manufacturing, the resolution limit has not been thoroughly studied. We show that a low-etendue illumination system and an integrated feedback system to accurately control the photopolymerization kinetics improve drastically the fidelity and spatial resolution. Hard and soft centimeter-scale parts are produced in less than 30 seconds with 80-µm positive features.
Conference Presentation
© (2020) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Christophe Moser, Paul Delrot, and Damien Loterie "High resolution volumetric additive manufacturing (Conference Presentation)", Proc. SPIE 11292, Advanced Fabrication Technologies for Micro/Nano Optics and Photonics XIII, 1129214 (10 March 2020); https://doi.org/10.1117/12.2541762
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