| 摘要 |
The present invention relates to a method of writing data on a master substrate ( 10 ) for optical recording, the master substrate comprising a recording layer ( 12 ) and a substrate layer ( 14 ), and the recording layer comprising a phase-change material the phase of which can be transferred from crystalline to amorphous by projecting light on the recording 5 layer, the method comprising the steps of: writing a first amorphous mark ( 32 ) from a plurality of amorphous marks on the master substrate by at least one write pulse, and providing a cooling gap before the next amorphous mark ( 32 ) will be written.
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