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Inorganic Recordable Disk with More Eco-Friendly Material for Blue
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2003
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Materials SciencePhotonicsOptical MaterialsEngineeringInorganic Write-once DiskInorganic Recordable DiskBlue IntensityOptical PropertiesSustainable MaterialComputer Data StorageApplied PhysicsSustainable Material DevelopmentHigh Numerical ApertureLimit Equalizer
We realized an inorganic write-once disk using a high numerical aperture (NA) objective lens and a blue-violet laser diode. Its recording layer was Bi–Ge nitride alloy which was more environmentally friendly than that of the rewritable disk. The data-to-clock jitter of 5.7% was obtained at 25 GB capacity, using the limit equalizer. In addition, we confirmed that this disk had potential for application as a 1X-2X recordable disk.