| 摘要 |
The invention relates to a storage medium for the optical storage and retrieval of information, the storage medium comprising: a substrate and an active layer for retention of data. According to the invention, the active layer is provided with a pre-determined pattern ( 4 ) of bit positions ( 14, 14 ', . . . ). Preferably, the substrate is provided with the pre-determined pattern of bit positions. The storage medium has a relatively high data density. |
