Wear-resistant optical disk
The utility model provides a wear-resistant optical disk, comprising a disk body and a plurality of protrusions arranged on the edges of reading and writing surface. Using the protrusions which are symmetrically arranged to avoid the wear of the reading and writing surface for the optical disk.
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The utility model provides a wear-resistant optical disk, comprising a disk body and a plurality of protrusions arranged on the edges of reading and writing surface. Using the protrusions which are symmetrically arranged to avoid the wear of the reading and writing surface for the optical disk. |
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