发明名称 |
Non-linear optical recording medium |
摘要 |
<p>An optical information recording medium, which is not deteriorated after repeating reading out and writing in, is provided by forming a glass thin film (2), on a substrate (1), and providing a recording film, a protective film, and a reflecting film thereon. The thin glass film (1) has non-linear intensity distributions of irradiated and transmitted light. The glass may contain cobalt oxide. <IMAGE></p> |
申请公布号 |
EP0884723(A2) |
申请公布日期 |
1998.12.16 |
申请号 |
EP19980304433 |
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):G11B7/24 |
主分类号 |
G11B7/24 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|