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The MiniDiscª format was launched in 1990. The small format and 140MB capacity which means up to 74 minutes of music focussed wide attention on a magneto-optical technology for the first time.
Some manufacturers of the MiniDiscª: (in alphabetical order)
MiniDiscª-structure: The picture below shows the structure of the MiniDiscª and each thin film layer applied by the Sprinter's process stations. (except the protective layer)
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