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US 4,791,039 AGranted
Visible ray-recording hologram material
AssigneeFujitsu Limited
InventorsTakeshi Ishitsuka, Yasuo Yamagishi, Akihiro Mochizuki
Life of this patent
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Abstract
A visible ray-recording hologram material comprising a polymer containing a carbazole ring, iodoform, and an aromatic colorant having a fused ring system. This material enables recording with rays having a wavelength of 450 to 550 nm.
Claims9
A visible ray-recording hologram material comprising a polymer containing a carbazole ring, iodoform, and a phenylnapthacene.
Dependencies are inferred from the claim text.