Coating processes – Optical element produced
Reexamination Certificate
2007-06-05
2007-06-05
Bashore, Alain L. (Department: 1762)
Coating processes
Optical element produced
C427S164000, C427S240000, C427S425000, C427S508000, C427S510000, C427S512000, C427S157000, C118S052000, C118S319000, C118S320000, C369S272100, C369S275300, C369S283000, C369S284000, C369S286000, C369S288000, C369S094000
Reexamination Certificate
active
09761647
ABSTRACT:
An information layer for an optical information storage medium is formed in a centrifuge. A photopolymerizable composition is applied to a solid base having a relief pattern, and a flexible, transparent film layer is applied on top of the composition. The three are spun in a centrifuge to cause a thin, even distribution of the photopolymerizable composition, which is photopolymerized. The resulting replica is separated from the relief pattern and has a fluorescent material applied thereto. Alternatively, the replica has a non-fluorescent material applied thereto, and the non-fluorescent material is made fluorescent through diffusion. Multiple information layers thus formed can be glued together to form a multilayer optical information storage medium.
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Dorozhkina Galina
Kiryusheva Irina
Levich Eugene
Lezhnev Alexey
Pebalk Dmitry
Bashore Alain L.
D Data Inc.
Winston & Strawn LLP
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