Abstract
A new method of initialization-free phase-change (PC) optical recording wasproposed based on the crystallization kinetics of PC media. It was suggested thattwo special additional layers could be added to the disk to form a new diskstructure for the initialization-free function. The physical mechanism ofinitialization-free PC optical recording was discussed. A model was proposed toexplain the initialization-free method which combined the surface crystallizationinduced by the additional layer and the temperature change during the sputteringprocess. The simulation results of the initialization-free disk showed only aslight influence of the initialization-free structure on the writing/erasingproperties of the PC recording layer. Experimental results verified thefeasibility of the initialization-free method for PC optical recording.
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