Methods of making a pattern of optical element shapes on a roll for use in making optical elements on or in substrates
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United States of America Patent
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app pub date -
Dec 23, 2003
filing date -
Jun 27, 1995
priority date (Note) -
Abandoned
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Abstract
The method involves cutting or forming one or more patterns of optical element shapes in the exterior surface of a sleeve or one or more curved substrates or films on a roll during rotation of the roll. Then at least a portion of the sleeve or substrates or films containing at least one pattern of optical element shapes is removed from the roll and the pattern of optical element shapes or a copy or inverse copy thereof is used to form a corresponding pattern of optical elements on or in an optical substrate.
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