Method for producing a lens pattern on roll
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United States of America Patent
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Aug 20, 2013
Issued Date -
N/A
app pub date -
Aug 28, 2009
filing date -
Jul 7, 2009
priority date (Note) -
Expired
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Abstract
The present disclosure generally relates to a method for producing lens patterns on a roll which is used to produce optical films wherein the method comprises forming a resin film on a roll comprising a plated layer which has been surface-plated with copper (Cu) or nickel (Ni); producing a preliminary lens pattern by striking the surface of the resin film on the roll with a chisel; etching with an etching solution the roll having the preliminary lens pattern formed thereon; and removing the resin film, and a roll for producing optical films comprising lens patterns formed thereon by the same method.
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