Method for forming optical elements having an optical coating by

Details Method for forming optical elements having an optical coating by Method for forming optical elements having an optical coating by

1991-08-28

1992-11-03

Lowe, James

Plastic and nonmetallic article shaping or treating: processes

Optical article shaping or treating

Composite or multiple layer

264 25, 264338, 427133, B29D 1100

Patent

active

051606682

ABSTRACT:
Method for forming an optical element having an optical coating thereon by replication having the steps of preparing first and second molds having polished surfaces which are to be replicated, depositing a soluble inorganic salt to form a release layer, depositing an optical coating in reverse order upon the release layer, supplying liquid material between the molds and in contact with the optical coating, causing the liquid material to solidify and form a bond with the optical coating, separating the molds from the solidified material with the optical coating adherent to the solidified material with separation occurring between the mold and the optical coating in the parting layer and removing any remaining portions of the parting layer from the optical coating.

REFERENCES:
patent: 2241415 (1941-05-01), Moulton
patent: 4061518 (1977-12-01), Burroughs et al.
patent: 4919850 (1990-04-01), Blum et al.

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