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US 2013/0230699 A1Published application
Forming Method For Polymeric Laminated Wafers Comprising Different Film Materials
AssigneeInsight Equity A.P.X., L.P. (dba Vision-Ease Lens)
InventorHideyo Sugimura
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Abstract
A method of making a polymeric laminated wafer comprising different film materials that are softenable and formable at different softening temperatures corresponding with the film materials.
Claims20
An optical film laminate wafer having a curved form and comprising at least two film layers having different softening temperatures.
An ophthalmic lens comprising:
- a protective film layer having a first glass transition temperature;
- a base film layer having a second, different glass transition temperature;
- a functional layer interposed between the protective film layer and the base film layer;
- and
- a lens material fused to the base film layer.
2 more elements
An optical film laminate comprising:
- a first film layer having a first glass transition temperature;
- a second film layer having a second, different glass transition temperature;
- and
- a functional layer interposed between the first film layer and the second film layer.
1 more element
Dependencies are inferred from the claim text.