HD DVD

  • The HD DVD is an optical disc the same dimensions as the DVD, but with much more recording capacity (HD DVD 15GB – HD DVD 30GB)
  • Disc Diameter   = 120 mm
  • Disc Thickness  = 1,2 mm
  • Disc Structure   = 2 bounded 0.6 mm substrates
  • Laser Wavelength  = 405 nm
  • Track pitch    = 0.40 nm
  • Layer of data = 1 to 2