Smoothing of 3D printed lenses
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United States of America Patent
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Oct 2, 2018
Grant Date -
Apr 13, 2017
app pub date -
Oct 9, 2015
filing date -
Oct 9, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
Systems and methods for smoothing a lens are disclosed herein. A monomer used to make or augment the lens according to an additive method is deposited on the lens surface to be smoothed. A film or membrane with certain elastic properties is pressed against the layered (stepped) surface, with the monomer in between the lens and the membrane. The pressure of the membrane spreads the monomer over the surface of the lens, filling the spaces between the layered (stepped) surface and the membrane. A curing agent is applied to transition the monomer into a polymer coating matching the curve of the membrane. The membrane is removed, leaving a clean, smooth lens surface.
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