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7459120 Low pressure thermoforming of thin, optical carriers  
A method for thermoforming a thin thermoplastic carrier with uniformity of thickness at optical quality. The sheet to be thermoformed is heated and placed on a vented platform equipped with a mold...
7449135 Flexible plastic substrate for optical display producing process  
The present invention relates generally to a flexible plastic substrate, its manufacturing process and optical components for optical display applications. In so doing, cyclic olefin copolymer...
7413689 Lens element from diamond-turned thermoplastic resin  
A method for fabrication of a lens element from a lens blank shaped from a high index, high thermal property thermoplastic resin conditions the surface of the lens blank by an extended annealing...
Matches 1 - 3 out of 3