Method of manufacturing an optical device by means of a...

Details Method of manufacturing an optical device by means of a... Method of manufacturing an optical device by means of a...

2003-01-27

2010-06-15

Griffin, Steven P (Department: 1791)

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Light polarizing article or holographic article

Reexamination Certificate

active

07736550

ABSTRACT:
The invention relates to a method and an apparatus for manufacturing an optical device by means of a replication method comprising the steps of: a) filling a gap between a substrate and a mold with a liquid light-transmissive polymeric material, b) curing the polymeric material to obtain a replica layer, c) removing the mold. In order to manufacture optical devices, such as lenses having a larger NA-value, it is proposed according to the present invention that the replication method is repeated at least two times while using the same or different molds, and that the substrate, together with one or more replica layers obtained during one or more previous runs of the replication method, is used as a substrate for the next run of the replication method.

REFERENCES:
patent: 5178800 (1993-01-01), Blum
patent: 5986818 (1999-11-01), Hashimura
patent: 6305194 (2001-10-01), Budinski et al.
patent: 8227002(A) (1996-09-01), None
patent: 11008372(A) (1999-01-01), None

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