光碟(optical disc)喺1965年美國人 James T. Russell 或 David Paul Gregg 發明嘅,當時所儲存嘅格式仍以 analog 為主,係用雷射掃描記錄同讀出保存信息嘅一種介質。

光碟
  • "Inventor of the Week Archive: The Digital Compact Disc". Massachusetts Institute of Technology. December, 1999. 喺2007-07-13搵到. {{cite web}}: Check date values in: |date= (help)
  • Brier Dudley (November 29, 2004). "Scientist's invention was let go for a song". The Seattle Times. 喺2007-07-13搵到.
  • "David Gregg and the Optical Disk". About.com. 喺2007-07-13搵到.