| http://www.w3.org/ns/prov#value | - In view of such situation, the intensity of the recording laser beam is modulated such that the laser beam is completely ???off??? in the area other than the area where record marks are to be formed, or such that the phase change layer is irradiated with the beam of the power that does not affect the crystalline state of the phase change layer, so that the phase change layer other than the area wh
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