| 发明名称 |
Method and device for the mechanical removal of a layer of alien material from a basic material |
| 摘要 |
A method for mechanical removal of a layer of alien material from a basic material of a disc-shaped optically readable information carrier. The layer of alien materials is removed from the basic material by a jet of deep-frozen particles applied under pressure.
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| 申请公布号 |
US6095903(A) |
申请公布日期 |
2000.08.01 |
| 申请号 |
US19970940829 |
申请日期 |
1997.09.30 |
| 申请人 |
U.S. PHILIPS CORPORATION |
发明人 |
RIEN, WILLI |
| 分类号 |
B24C1/00;B24C3/32;B24C11/00;G11B7/26;(IPC1-7):B24B1/00 |
主分类号 |
B24C1/00 |
| 代理机构 |
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