| 发明名称 |
Optical information recording medium |
| 摘要 |
An optical information recording medium, which is not deteriorated after repeated reading out and writing in operations, is provided by forming a glass thin film, which varies the intensity or the intensity distribution of light, on a substrate, and providing a recording film, a protective film, and a reflecting film thereon.
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| 申请公布号 |
US5985401(A) |
申请公布日期 |
1999.11.16 |
| 申请号 |
US19980090382 |
申请日期 |
1998.06.04 |
| 申请人 |
HITACHI, LTD. |
发明人 |
YAMAMOTO, HIROKI;NAITO, TAKASHI;NAMEKAWA, TAKASHI;SUZUKI, YASUTAKA;TAKAHASHI, KEN;TERAO, MOTOYASU;SHINTANI, TOSHIMICHI |
| 分类号 |
G11B7/24;C03C3/062;C03C3/078;C03C3/087;C03C3/091;C03C8/00;G11B7/0045;G11B7/005;G11B7/253;G11B7/257;(IPC1-7):B32B3/00 |
主分类号 |
G11B7/24 |
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