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 | This article needs additional citations for verification. (August 2012) |
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| Media type | Optical disc |
|---|---|
| Capacity | 23 GB per layer |
| Developed by | Sony |
| Usage | Data storage |
| Released | 2003 |
| Optical discs |
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Professional Disc (PFD) is a digital recording optical disc format introduced by Sony in 2003 primarily for XDCAM, its tapeless camcorder system. It was one of the first optical formats to utilize a blue laser, which allowed for a higher density of data to be stored on optical media compared to infrared laser technology used in the CD and red laser technology used in the DVD format.