发明名称 OPTICAL PICKUP DEVICE INCLUDING UNIT TO REMOVE CROSSTALK IN MULTI-LAYERED DISK, AND OPTICAL RECORDING/REPRODUCING DEVICE
摘要 <P>PROBLEM TO BE SOLVED: To provide an optical pickup device using a unit to remove crosstalk in a multi-layered disk, and an optical recording/reproducing device. <P>SOLUTION: The optical pickup device for recording/reproducing data on a target recording layer of a disk having a plurality of recording layers includes: a light source; an optical path converting unit for converting the path of light emitted from the light source; a crosstalk removing unit having a reflection area for reflecting light incident from the optical path converting unit and a transmission area for transmitting the incident light, and inclined at a predetermined angle to the optical axis of the incident light to reflect the light reflected in the reflection area in a direction different from the incident direction of the incident light; an objective lens for focusing the incident light on the disk; and a photodetector for detecting the light reflected on the disk. <P>COPYRIGHT: (C)2010,JPO&INPIT
申请公布号 JP2010205411(A) 申请公布日期 2010.09.16
申请号 JP20100113505 申请日期 2010.05.17
申请人 SAMSUNG ELECTRONICS CO LTD 发明人 YOO JANG-HOON;YOON YONG-HAN;PARK SOO-HAN;JEON YOUNG-SUN;KIM MYOUNG-SEEK
分类号 G11B7/135 主分类号 G11B7/135
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