Method and mold to control optical device polymerization

Details Method and mold to control optical device polymerization Method and mold to control optical device polymerization

2006-12-05

2006-12-05

Heckenberg, Donald (Department: 1722)

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Utilizing plasma, electric, electromagnetic, particulate, or...

C264S001380, C425S808000

Reexamination Certificate

active

07144528

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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