Production of optical elements
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United States of America Patent
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Oct 4, 2011
Grant Date -
Aug 17, 2006
app pub date -
Apr 5, 2006
filing date -
Mar 3, 1995
priority date (Note) -
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status (Latency Note)
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Abstract
A method of making an optical element that includes a thermoplastic power portion, the method including laminating a first thermoplastic sheet to one side of a functional film, laminating a second thermoplastic sheet to a second side of the functional film, and affixing either the first thermoplastic sheet or the second thermoplastic sheet to the power portion, with the other of the first or second thermoplastic sheets being open to atmosphere.
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