| 发明名称 |
Optical head apparatus and optical disk apparatus using this optical head apparatus |
| 摘要 |
An optical head apparatus according to the present invention has a flat coil in which a focusing coil and a tracking coil are integrally formed on both surfaces or one surface of a pair of insulative.
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| 申请公布号 |
US2004179438(A1) |
申请公布日期 |
2004.09.16 |
| 申请号 |
US20040786616 |
申请日期 |
2004.02.26 |
| 申请人 |
KABUSHIKI KAISHA TOSHIBA |
发明人 |
SHINOZUKA HIROSHI |
| 分类号 |
G11B7/09;(IPC1-7):G11B7/00 |
主分类号 |
G11B7/09 |
| 代理机构 |
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