METHOD FOR MAKING OPTICAL ARTICLES
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United States of America Patent
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N/A
Issued Date -
Oct 22, 2009
app pub date -
Sep 2, 2008
filing date -
Apr 16, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method for making an optical article having a first optical surface and an opposite second optical surface, is provided. The method includes: providing a transparent substrate having a first surface and an opposite second surface; forming a first layer comprised of a first molding material on the first surface of the substrate; press-molding the first layer to form a first optical surface thereon; providing a supporting mold having a supporting surface conforming to the first optical surface; attaching the supporting mold to the first layer with the first optical surface in intimate contact with the supporting surface thereof; forming a second layer comprised of a second molding material on the second surface of the substrate; press-molding the second layer to form a second optical surface thereon; and removing the supporting mold to obtain an optical article including the substrate with the first and second layers at opposite sides thereof.
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