| 摘要 |
The present invention relates to an optical record carrier with layer stack comprising a reflector or heat sink layer, a recording layer, and at least one ruthenium (Ru) interlayer arranged between said reflector or heat sink layer and said recording layer. Furthermore, the present invention relates to a method of manufacturing such a record carrier. In particular, Ru thin films may form a top or cover layer, a bottom or seed layer, or may be interleaved within reflector or heat sink layers. The Ru layer(s) lead to a modified microstructure and/or smoothness of the recording stack, so that the carrier-to-noise level can be improved during readout.
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