发明名称 |
Over write capable magnetooptical recording medium, recording method and apparatus using the same |
摘要 |
A multi-layered magnetooptical recording medium that satisfies predetermined formulas is over write capable when used, in a recording method and apparatus, with a jointing field, i.e., a magnetic field the intensity of which decreases continuously from an initial field to a bias field having the same direction as the initial field, permitting greater freedom in the choice of media compositions. In a two-layer structure including magnetically coupled recording and reference layers, recorded data may advantageously be reproduced from the reference layer.
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申请公布号 |
US5126986(A) |
申请公布日期 |
1992.06.30 |
申请号 |
US19910668376 |
申请日期 |
1991.03.11 |
申请人 |
NIKON CORPORATION |
发明人 |
SAITO, JUN;SATO, MASATOSHI;MATSUMOTO, HIROYUKI |
分类号 |
G11B5/02;G11B11/10;G11B11/105 |
主分类号 |
G11B5/02 |
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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