Method of making cast aspheric lenses
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 21, 1980
Issued Date -
N/A
app pub date -
Jul 16, 1979
filing date -
Jul 16, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of making plastic aspheric lenses by casting a liquid lens monomer in a container having the aspheric curve present on the bottom of the container, polymerizing the lens monomer to form a transparent solid having an aspheric optical surface formed within the container and cutting a second optical surface on the solid lens material with the container supporting the lens material during the cutting and polishing operation.
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Cited Art Landscape
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