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Satoh; Masashi
Takasaki, JP
No. of patents:

Patent Number Title Of Patent Date Issued
8119216 Optical information recording medium and manufacturing method thereof February 21, 2012
An optical information recording medium has at least an optical reflective layer, an optical recording layer, an protective layer, and an optical transparency layer formed in that order on the main surface of a disc-shaped substrate. An area in which the protective layer is formed is
8025947 Optical information recording medium September 27, 2011
An optical information recording medium has a substrate, and an optical reflection layer, an optical recording layer containing an organic dye, an interlayer, and a cover layer formed in this order on the substrate. The interlayer contains a sputtered Nb.sub.2O.sub.5--Al.sub.2O.sub.3

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