发明名称 |
OPTICAL HEAD AND OPTICAL INFORMATION STORAGE DEVICE |
摘要 |
<p>It is an object of the present invention to provide an optical information storage device capable of performing stable information accessing at a high recording density, and an optical head, and the optical information storage device and the optical head of the present invention comprise: a light shielding body held in a position close to/in contact with a surface of a recording medium, and provided with a slit adapted to intersect a track of the recording medium by an angle α of 45° or lower; condensing means for condensing a light emitted from a light source on the slit of the light shielding body; and moving means for moving the light S condensed on the slit by the condensing means along the slit.</p> |
申请公布号 |
EP1229525(A1) |
申请公布日期 |
2002.08.07 |
申请号 |
EP19990974164 |
申请日期 |
1999.11.11 |
申请人 |
FUJITSU LIMITED |
发明人 |
HASEGAWA, SHINYA;ODAJIMA, WATARU;AOYAMA, NOBUHIDE |
分类号 |
G11B7/085;G11B7/12;G11B7/125;G11B7/135;G11B11/105;(IPC1-7):G11B7/09 |
主分类号 |
G11B7/085 |
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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