Optical recording

The history of optical recording can be divided into a few number of distinct major contributions. The pioneers of optical recording worked mostly independently, and their solutions to the many technical challenges have very distinctive features, such as

  • reflective disc (Compaan and Kramer)
  • transparent disc (Gregg)
  • floppy disc (Russell)
  • rigid disc (Compaan and Kramer)
  • focused laser beam for read-out through transparent substrate (Compaan and Kramer).
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