| 摘要 |
A device for restoring damaged surface layers of optically readable discs having a body (1) for manual repair comprising at least two grinding/polishing surfaces (2) with grinding/polishing materials of different fineness, wherein the grinding/polishing material is a polymer based material with micro crystals of diamond, glass or silicon carbide. Manual use of a grinding/polishing material that is polymer silicon carbide for restoring a damaged surface layer of optical readable discs. |
