| 发明名称 |
PHOTO DIODE IC |
| 摘要 |
A photo diode for a laser diode of two wavelenghts is disclosed. According to the present invention, a 12-sectioned photo diode is provided to detect a DVD laser beam and CD laser beam, respectively, and as a result, the laser diode of two wavelenghts is well adapted for use in an optical pick-up. |
| 申请公布号 |
WO2005029481(A1) |
申请公布日期 |
2005.03.31 |
| 申请号 |
WO2003KR02169 |
申请日期 |
2003.10.17 |
| 申请人 |
SAMSUNG ELECTRONICS CO., LTD.;PARK, SOO-HAN;KIM, JONG-UK |
发明人 |
PARK, SOO-HAN;KIM, JONG-UK |
| 分类号 |
G11B7/00;G11B7/09;G11B7/12;G11B7/125;G11B7/13 |
主分类号 |
G11B7/00 |
| 代理机构 |
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