Optical recording medium, and information recording/playback...

Stock material or miscellaneous articles – Circular sheet or circular blank – Recording medium or carrier

Reexamination Certificate

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C428S064500, C428S064600, C430S270130

Reexamination Certificate

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07736715

ABSTRACT:
In a single-sided, recordable/rewritable phase change optical recording medium having one or more layers, an interface layer adjacent to a phase change optical recording film contains at least Zr (zirconium), O (oxygen), and N (nitrogen), and further contains one or both of Y (yttrium) and Nb (niobium).

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