MD Data
MD Data is a magneto-optical medium succeeding MiniDisc. Sony wanted it to replace floppy disks, but instead came the Zip drive, CD writers, and memory sticks and cards.
MD Data Sony MMD-140A | |
| Media type | Magneto-optical disc |
|---|---|
| Read mechanism | 780 nm semiconductor laser diode |
| Write mechanism | Magnetic field modulation |
| Developed by | Sony |
| Usage | Data storage |
| Extended from | Floppy disk MiniDisc |
| Extended to | Hi-MD |
| Released | July 1993 |
| Optical discs |
|---|
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