Sony and Panasonic today have announced plan to release a new optical disc to provide larger capacities and long-term storage. The current plan/road map aims to release a 300GB disc sometime in summer 2015 with both Sony and Panasonic planing to expand the technology and increase recording capacity to 500GB and then 1TB. We have included the official specs for the new optical disc below, but check out the source link for the press release.
| Disc size (type) | 300 GB (write-once) |
|---|---|
| Optical parameter | Wavelength λ=405 nm (nanometers), Numerical Aperture NA=0.85 |
| Disc structure | Double-sided Disc (3 layers/side), Land and Groove Format |
| Track pitch | 0.225μm (micrometers) |
| Data bit length | 79.5nm (nanometers) |
| Error correction method | Reed-Solomon Code |
Source: Sony
