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US 2024/0308161 A1Published application
Composite mold insert for fabricating microstructured lenses
AssigneeEssilor International
InventorsBurcin IKIZER, Haifeng SHAN, Ahmed DRAMMEH, Zbigniew TOKARSKI
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Abstract
A mold insert includes a base, a material of the base being a metal; a body disposed adjacent to the base along a first side of the body, a material of the body having a thermal conductivity between 0.05 and 5 W/m-K; and a working stamp disposed adjacent to the body along a second side of the body, the working stamp including a plurality of microstructures.
Claims15
A mold insert, comprising:
- a base, a material of the base being a metal;
- a body disposed adjacent to the base along a first side of the body, a material of the body having a thermal conductivity between 0.05 and 5 W/m-K;
- and
- a working stamp disposed adjacent to the body along a second side of the body, the working stamp including a plurality of microstructures.
1 more element
A method of forming a lens, comprising:
- arranging a first mold insert on a first mold side, the first mold insert including
- a base, a material of the base being a metal,
- a body disposed adjacent to the base along a first side of the body, a material of the body having a thermal conductivity between 0.05 and 5 W/m-K, and
- a working stamp disposed adjacent to the body along a second side of the body, the working stamp including a plurality of microstructures;
- coupling the first mold insert with a second mold insert on a second mold side to form a cavity;
- and
- injecting a polymer melt into the cavity.
4 more elements
Dependencies are inferred from the claim text.