Producing polarizing optical devices and product thereof
Abstract
Abstract A LAMINATED OPTICAL ELEMENT IS PRODUCE BY PREPOSITIONING A POLARIZING SHEET, WHICH HAS BEEN COATED ON BOTH SIDES WITH ADHESIVE COMPATIBLE WITH THE ENCASING MATERIAL, IN A MOLD SO AS TO ACCURATELY SPACE THE POLARIZING SHEET FROM THE INNER MOLD SURFACES, INJECTING A MONOMER OF ALLYL DIGLYCOL CARBONATE INTO THE MOOLD SO AS TO COMPLETELY ENCASE THE POLARIZING SHEET, AND THEN CURING THE LAMINATE. THE PROCESS INCLUDES PRODUCING STRESS FREE CASTINGS CAPABLE OF BEING SUBJECTED TO SUBSEQUENT COLOR ACCEPTING TREATMENT AND VARIOUS FINISHING PROCESSES. THE LAMINATED PRODUCT PROVIDES A FULLY ENCASED POLARIZING SHEET WITH A THIN LAYER OF UNIFORM THICKNESS OF THE POLYMER ON THE FRONT SIDE OF THE POLARIZING SHEET WHICH MAY BE READILY FINISHED FOR OPTICAL DEVICES.
Inventors
- 👤 Norman U La Liberte
Bibliographic Details
Claims Analysis
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