Injection overmolding with heat/cool cycling for making optical lenses using 3D-printed functional wafers

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United States of America

PATENT NO 12226968
APP PUB NO 20220266488A1
SERIAL NO

17623692

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Abstract

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Disclosed herein is an injection molding method for making optical thermoplastic lenses using 3D—printed functional wafers. The method employs a variable injection molding cavity temperature that is heated to at least wafer Tg—10° C.

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Patent Owner(s)

  • ESSILOR INTERNATIONAL

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chiu, Hao-Wen Holden, US 43 80
Jallouli, Aref Shrewsbury, US 41 79
Shan, Haifeng Shrewsbury, US 28 27

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