发明名称 |
Multiple data surface magneto-optical data storage system |
摘要 |
An optical data storage system 10 comprises an optical disk drive and a multiple data surface magneto-optical medium 12. The medium comprises a substrate 50, a first dielectric layer 130, a first magneto-optical data layer 132, a second dielectric layer 134, a transmissive member 78, a third dielectric layer 140, a second magneto-optical data layer 142, a fourth dielectric layer 144, and a reflector layer 146. The thicknesses of the magneto-optical and dielectric layers are selected to maximize the magneto-optical read out signal received from the data layers. The disk drive includes a phase retarder for improving the signal from the magneto-optical data layers. <IMAGE> |
申请公布号 |
EP0723264(A3) |
申请公布日期 |
1997.06.25 |
申请号 |
EP19960300278 |
申请日期 |
1996.01.15 |
申请人 |
INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
MCDANIEL, TERRY WAYNE;NOTARYS, HARRIS ANTHONY;ROSEN, HAL JERVIS;RUBIN, KURT ALLAN |
分类号 |
G11B11/10;G11B7/135;G11B11/105 |
主分类号 |
G11B11/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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