发明名称 |
Optical pickup apparatus comprising optical device with phase shift coating layer |
摘要 |
An optical pickup apparatus including a first light source to emit light; light transmitting and/or reflecting units to affect the emitted light as the emitted light is transmitted and/or reflected to an optical information storage medium; and a phase shift coating layer provided on at least one of the light transmitting and/or reflecting units to change a polarization state of the emitted light.
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申请公布号 |
US2004246876(A1) |
申请公布日期 |
2004.12.09 |
申请号 |
US20040784881 |
申请日期 |
2004.02.24 |
申请人 |
SAMSUNG ELECTRONICS CO., LTD. |
发明人 |
KIM KI-BOK;KWAK NO-JUN;PARK SUN-MOOK |
分类号 |
G11B7/00;G11B7/135;(IPC1-7):G11B7/135 |
主分类号 |
G11B7/00 |
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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