Optical: systems and elements – Holographic system or element – Having particular recording medium
Reexamination Certificate
2004-09-29
2009-06-09
Allen, Stephone B (Department: 2872)
Optical: systems and elements
Holographic system or element
Having particular recording medium
C359S900000
Reexamination Certificate
active
07545546
ABSTRACT:
A holographic recording medium which has parallelism of high precision and causes little substrate deformation ascribable to contraction of its recording areas when recording interference fringes, and a method for manufacturing the same. The holographic recording medium has a holographic recording material layer between a first transparent substrate and a second transparent substrate. This holographic recording material layer is formed integrally with a spacer which is composed of a large number of spherical beads arranged so as to surround recording areas for interference fringes to be recorded on.
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Miura Hideaki
Mizushima Tetsuro
Tsukagoshi Takuya
Yoshinari Jiro
Allen Stephone B
Chapel Derek S
Oliff & Berridg,e PLC
TDK Corporation
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