Replication of optically flat surfaces

Details Replication of optically flat surfaces Replication of optically flat surfaces

B - Operations, Transporting

29

D

B29D 11/00 (2006.01) B29D 99/00 (2010.01) B29C 70/78 (2006.01) B29C 71/00 (2006.01) B29C 35/08 (2006.01) B29C 43/00 (2006.01) B29D 31/00 (2006.01)

Patent

CA 2147488

A method of replicating an optically flat surface includes providing a plastic optical element (20) having a machined flat surface. The machined flat surface includes a plurality of grooves thereon. A coating material is applied to an optically perfect flat (30,40) and the optical element is rolled and positioned on the coating material applied to the optically perfect flat such that the grooves fill with the coating material. The coating material sandwiched between the optical element and the optically perfect flat is cured and the optically perfect flat is removed from the cured coating material.

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