Dynamic optical information storage or retrieval – Optical storage medium structure
Reexamination Certificate
2006-11-28
2006-11-28
Watko, Julie Anne (Department: 2627)
Dynamic optical information storage or retrieval
Optical storage medium structure
Reexamination Certificate
active
07143426
ABSTRACT:
An optical recording medium includes a substrate, a protective layer, three or more information recording layers formed between the substrate and the protective layer and transparent intermediate layers each formed between neighboring information recording layers and capable of recording data in the three or more information recording layers and reproducing data recorded in the three or more information recording layers by projecting a laser beam onto the three or more information recording layers via a light incidence plane constituted by the surface of either the substrate or the protective layer, wherein neighboring transparent intermediate layers facing each other across an information recording layer have different thicknesses. According to the thus constituted optical recording medium, it is possible to reduce interlayer cross-talk.
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Inoue Hiroyasu
Komaki Tsuyoshi
Mishima Koji
Utsunomiya Hajime
Yamada Takashi
Seed IP Law Group PLLC
TDK Corporation
Watko Julie Anne
LandOfFree
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