Optical recording medium

Details Optical recording medium Optical recording medium

G - Physics

11

B

G11B 7/24 (2006.01)

Patent

CA 2111646

ABSTRACT OF THE DISCLOSURE: An optical recording medium comprises a transparent substrate, a recording layer containing at least one organic dye overlying the substrate, a metallic layer directly contacting and overlying the recording layer, a protective layer comprising at least one layer directly contacting and overlying the metal layer, a layered print portion comprising at least one layer directly contacting and overlying the protective layer, and said protective layer and said print portion satisfying the following relationship: .SIGMA.AiBi + .SIGMA.CjDj < 3 (µm) (1) where A1 (µm) is a thickness and Bi is a curing shrinkage rate of the i-th protective layer, respectively, where i is an integer of 1 or more, Cj (µm) is a thickness and Dj is a curing shrinkage rate of the j-th print portion layer, respectively, where j is an integer of 1 or more.

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