| 发明名称 |
OPTICALLY RECORDABLE CARRIER |
| 摘要 |
<p>OPTICALLY RECORDABLE CARRIER In an optically recordable carrier having a substrate and an optical record layer on the substrate, the optical record layer is enveloped, at all of its surfaces with a protective film of inorganic material by which the resistance to corrosion of the optical record layer is improved considerably.</p> |
| 申请公布号 |
CA1266975(A) |
申请公布日期 |
1990.03.27 |
| 申请号 |
CA19870534737 |
申请日期 |
1987.04.15 |
| 申请人 |
SONY CORPORATION |
发明人 |
MIYAI, SEIICHI;AKAMATSU, JUNICHI |
| 分类号 |
G11B11/10;G11B7/24;G11B11/105;(IPC1-7):G11B7/24 |
主分类号 |
G11B11/10 |
| 代理机构 |
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代理人 |
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| 地址 |
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