Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
December 5, 2006
Patent Application Number
10839495
Date Filed
May 5, 2004
Patent Primary Examiner
Patent abstract
A method and mold assembly to control the polymerization of a cast optical device. The mold assembly includes at least one mold portion having a non-critical surface with fresnel or diffractive geometry. Alternately, a fresnel lens or diffractive lens may be placed at a predetermined distance from the mold.
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