Manufacturing a Plurality of Optical Elements
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United States of America Patent
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Issued Date -
Jan 2, 2014
app pub date -
Jan 23, 2012
filing date -
Jan 25, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method for manufacturing a plurality of optical devices comprising the steps of:—Providing a replication tool (1), the replication tool comprising a replication surface defining an array of replication cells, each replication cell comprising a lens replication portion (2) and a spacer replication portion (3), wherein the spacer replication portion on the replication tool is more indented than the lens replication portion,—Bringing the replication tool and a support (6) in contact with each other with replication material (11) between the replication surface and the support,—Causing the replication material to harden,—Wherein the lens replication sections are caused to be kept at a distance from the support when the support rests against the replication tool,—Removing the replication tool, and—Separating the hardened replication material into individual optical devices, each device having a replicated surface portion with a structure corresponding to a negative of a replication cell and comprising a spacer portion and a lens portion, wherein the lens portion is recessed with respect to the spacer portion.
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