发明名称 |
Magneto-optical disc having a protective film with minimal projections and method of production of same |
摘要 |
A magneto-optic disc comprised of a substrate on which are formed a recording layer and a protective film and on which information is recorded by a magnetic head floating above the magneto-optic disc by a predetermined floating distance at least at the time of recording the information, wherein the height of the projections on the surface of the protective film of the magneto-optic disc is smaller than the floating distance of the magnetic head.
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申请公布号 |
US5745443(A) |
申请公布日期 |
1998.04.28 |
申请号 |
US19960667227 |
申请日期 |
1996.06.19 |
申请人 |
SONY CORPORATION |
发明人 |
YOSHIDA, MIKIO;IKEDA, ETSURO |
分类号 |
G11B11/10;G11B7/24;G11B7/254;G11B11/105;(IPC1-7):G11B11/00 |
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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