Blu-ray disc, the main technical information and technical specs.
- The Blu-ray is an optical disc the same dimensions as the DVD – HD DVD, but with much more recording capacity (Blu-ray 25gb – Blu-ray 50gb)
- Disc Diameter = 120 mm
- Disc Thickness = 1,2 mm
- Disc Structure = 2 bounded 1,1 mm – 0,1 mm substrates
- Laser Wavelength = 405 nm
- Track pitch = 0.32 nm
- Layer of data = 1 to 2
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