光碟
(由鐳射唱片跳轉過嚟)
光碟（optical disc）喺1965年由美國人 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。
攷
編輯- "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.
