HIGH-THROUGHPUT 3D PRINTING OF CUSTOMIZED ASPHERIC IMAGING LENSES
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United States of America Patent
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Issued Date -
Jan 21, 2021
app pub date -
Mar 8, 2019
filing date -
Mar 9, 2018
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Abstract
In an aspect, a method for additive manufacture of a three-dimensional object based on a computational model comprises steps of: grayscale photohardening a precursor material to form a portion of the object; and applying a hardened meniscus coating at a feature of the object; wherein the three-dimensional object is formed via at least the combination of the steps of gray scale photohardening and applying the meniscus coating. In some embodiments, the grayscale photohardening step is a grayscale photopolymerization step. In some embodiments, the applying a hardened meniscus coating step is a meniscus equilibrium post-curing step.
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