基本信息:
- 专利标题: 멀티 광픽업
- 专利标题(英):Multi optical pick up
- 专利标题(中):多光拾取
- 申请号:KR1020100016473 申请日:2010-02-24
- 公开(公告)号:KR1020110096914A 公开(公告)日:2011-08-31
- 发明人: 한현석 , 강도원 , 김현준 , 이인우 , 박호만 , 김용상 , 임부빈
- 申请人: 엘지전자 주식회사
- 申请人地址: ***, Yeoui-daero, Yeongdeungpo-gu, Seoul, *****, Republic of Korea
- 专利权人: 엘지전자 주식회사
- 当前专利权人: 엘지전자 주식회사
- 当前专利权人地址: ***, Yeoui-daero, Yeongdeungpo-gu, Seoul, *****, Republic of Korea
- 代理人: 특허법인로얄
- 主分类号: G11B7/135
- IPC分类号: G11B7/135
Multi optical pickup according to the present invention, for example, of a simple structure divided into the second grating region for separating the laser beam of the first grating region and the second wavelength to separate the laser beam of the first wavelength half the grating (Half grating) for, by using the installation to a location on said first optical path before the laser beam and the laser beam of a second wavelength, the first wavelength is superimposed, specially, such as a phase shift grating, wavelength selectable grating, two-sided grating therefore does not require the use of optical elements of the fabricated high price, also reduce the manufacturing cost of the optical pick-up and at the same time, it is possible to improve the productivity and performance of the optical pickup.
信息查询:
EspacenetIPC结构图谱:
G | 物理 |
--G11 | 信息存储 |
----G11B | 基于记录载体和换能器之间的相对运动而实现的信息存储 |
------G11B7/00 | 用光学方法,例如,用光辐射的热射束记录用低功率光束重现的;为此所用的记录载体 |
--------G11B7/002 | .按载体形状区分的记录、重现或抹除系统 |
----------G11B7/135 | ..将光束从光源引导到记录载体上去或从记录载体引导到检测器上去的装置 |