| 发明名称 |
STRETCHED-FILM OPTICAL RECORDING DISC |
| 摘要 |
<p>241,000 CAN/REG Optical recording disc having a rigid, dimensionally-stable support (18 or 18a) which keeps a plastic film (10) taut and flat so that an opticallyrecordable coating on the plastic film resists the dimensional changes and warping which it otherwise might experience if unsupported.</p> |
| 申请公布号 |
CA1171964(A) |
申请公布日期 |
1984.07.31 |
| 申请号 |
CA19820394635 |
申请日期 |
1982.01.21 |
| 申请人 |
MINNESOTA MINING AND MANUFACTURING COMPANY |
发明人 |
GERFAST, STEN R. |
| 分类号 |
G11B7/24;G11B7/26;(IPC1-7):G11B7/00 |
主分类号 |
G11B7/24 |
| 代理机构 |
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代理人 |
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| 地址 |
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