| 发明名称 |
Optical recording medium having a third non-linear optical reflection film |
| 摘要 |
An optical disk having two transparent and a refelection film. The reflection film is made of a non-linear optical material in which reflectance increases according to intensity of incident light thereto. The reflection film has a multiple reflectance.
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| 申请公布号 |
US5381391(A) |
申请公布日期 |
1995.01.10 |
| 申请号 |
US19930125294 |
申请日期 |
1993.09.22 |
| 申请人 |
PIONEER ELECTRONIC CORPORATION |
发明人 |
YANAGISAWA, TAKUMA;OHSAWA, SEIICHI |
| 分类号 |
G11B7/24;G11B7/258;(IPC1-7):G11B13/00 |
主分类号 |
G11B7/24 |
| 代理机构 |
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