Photopatterning
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United States of America Patent
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Issued Date -
Jan 2, 2014
app pub date -
Feb 27, 2012
filing date -
Mar 18, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A photopatternable structure (10) comprises an optically transparent substrate (12) having first and second faces (14, 16), coated respectively with first and second photosensitive materials (18, 20), the coated substrate being opaque to electromagnetic radiation of one or more wavelengths to which the photosensitive materials are sensitive. In use, the faces (14, 16) are exposed (sequentially or simultaneously) to curing radiation to which the photosensitive materials are sensitive and to which the coated substrate is opaque, resulting in two sided photopatterning without through -cure occurring.
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