Radiation imagery chemistry: process – composition – or product th – Holographic process – composition – or product
Reexamination Certificate
2006-11-07
2006-11-07
Angebranndt, Martin (Department: 1756)
Radiation imagery chemistry: process, composition, or product th
Holographic process, composition, or product
C430S002000, C369S003000, C369S022000, C369S025010, C369S026010
Reexamination Certificate
active
07132200
ABSTRACT:
The hologram recording sheet according to the invention is made up of a base film and hologram sensitive materials sensitive to different wavelength regions formed therein in a desired pattern, or a film and at least two hologram recording sensitive materials sensitive to different wavelength regions laminated on the film with a transparent plastic spacer layer located therebetween, thereby enabling the required diffraction light wavelengths to be recorded on the required sites without producing unnecessary interference fringes. At least two hologram recording sensitive materials sensitive to different wavelength regions are formed on different sites on a film in dotted or striped configuration, the size of which is up to 200 mm or at least twice as large as the thickness of the sensitive material layers, thereby enabling regions diffracting light of different wavelengths to be formed in the form of independent sets of interference fringes.
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Hotta Tsuyoshi
Iriyama Hideyuki
Sekiguchi Atsushi
Taniguchi Yukio
Ueda Kenji
Angebranndt Martin
Dai Nippon Printing Co. Ltd.
Sughrue & Mion, PLLC
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