3D PRINTING OF AN INTRAOCULAR LENS HAVING SMOOTH, CURVED SURFACES

Australia Patent

APP PUB NO AU-2023266347-A1
SERIAL NO

2023266347

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Abstract

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A continuous additive fabrication system comprises a bath of photopolymer resin; a light source assembly comprises a light source and a motorized variable aperture. A platform is located within the bath of photopolymer resin and configured to support cured polymer comprising a build object; and a processor coupled to the light source assembly. The processor is configured to execute software instructions of a curing control module configuring the processor to control the light source assembly, the curing control module further configuring the processor to change a diameter of the motorized variable aperture according to a shape of a build object while a curing plane is continuously moved through the bath of photopolymer resin. The curing plane is continuously moved through the bath of photopolymer resin by continuously changing an optical power of the light source assembly to thereby move the curing plane through the photopolymer resin.

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Patent Owner(s)

Patent OwnerAddress
ALCON INCCHCH-6331 HUNENBERG

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Inventor(s)

Inventor Name Address
AUSTIN XAVIER RODEHEAVER -
FERNANDO ENRIQUE ORTIZ -
BRIAN CRAIG COX -

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