发明名称 |
Optical pickup actuator, optical disc drive using the same, and method to increase drive sensitivity |
摘要 |
An optical pickup actuator including a coil, a first magnet, and a second magnet. The coil is installed in a blade holding an objective lens. The first magnet is positioned inside a cavity formed in the center of the coil. The second magnet is installed outside the cavity to face the first magnet. The outer surface of the first magnet facing the coil is polarized into a first pole and inner surface of the first magnet is polarized into a second pole.
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申请公布号 |
US7058960(B2) |
申请公布日期 |
2006.06.06 |
申请号 |
US20030632869 |
申请日期 |
2003.08.04 |
申请人 |
SAMSUNG ELECTRONICS CO., LTD. |
发明人 |
KIM JEEN-GIE;JANG DAE-JONG |
分类号 |
G11B17/00;G11B7/09 |
主分类号 |
G11B17/00 |
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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