Low profile optical head
    3.
    发明授权
    Low profile optical head 失效
    低调光学头

    公开(公告)号:US06914868B1

    公开(公告)日:2005-07-05

    申请号:US09540657

    申请日:2000-03-31

    IPC分类号: G11B7/00

    摘要: An optical head of a type useable in a optical disk reader/writer is provided. The optical head has a low profile, e.g., in a vertical direction parallel to the disk spin axis, such as less than about 5 mm preferably less than about 3 mm. Substantially all components of the optical system, including a laser source, objective lens, intervening optics and photo detector are provided in the optical head and mounted in a fixed position with respect to one another. Substantially all optical components of the optical head are moved as a unit, e.g., during tracking and/or focusing. Preferably, the optical head is fabricated using wafer scale and/or stacking technologies, e.g., stacking substantially planar components to achieve the final optical head configuration.

    摘要翻译: 提供了一种可用于光盘读写器的光头。 光学头具有低轮廓,例如在平行于盘旋转轴线的垂直方向上,例如小于约5mm,优选小于约3mm。 包括激光源,物镜,中间光学元件和光电检测器在内的光学系统的基本上所有部件都设置在光学头中并相对于彼此安装在固定位置。 例如,在跟踪和/或聚焦期间,光学头的基本上所有的光学部件作为一个单元被移动。 优选地,使用晶片刻度和/或堆叠技术制造光学头,例如堆叠基本上平面的部件以实现最终的光学头结构。

    Beamshaper for optical head
    4.
    发明授权

    公开(公告)号:US07079472B2

    公开(公告)日:2006-07-18

    申请号:US09764026

    申请日:2001-01-16

    IPC分类号: G11B7/135

    摘要: An optical head of a type useable in a optical disk reader/writer is provided. One of the optical elements is provided in a fashion that one or more optical parameters or characteristics of the system are invariant, regardless of whether the one optical element is used, or not. In one embodiment the optical element is a beamshaper. In order to provide the desired invariant property, the surfaces of the optical element are preferably formed with high accuracy. One manner of economically achieving high accuracy is to measure errors or imperfections in a first formed, preferably etched, surface and adjust the shape or position of a second aligned etched surface so as to at least partially compensate for the errors or imperfections.

    Low profile optical head
    6.
    发明授权
    Low profile optical head 失效
    低调光学头

    公开(公告)号:US07227817B1

    公开(公告)日:2007-06-05

    申请号:US09457104

    申请日:1999-12-07

    IPC分类号: G11B7/00

    摘要: An optical head of a type useable in a optical disk reader/writer is provided. The optical head has a low profile, e.g., in a vertical direction parallel to the disk spin axis, such as less than about 5 mm preferably less than about 3 mm. Substantially all components of the optical system, including a laser source, objective lens, intervening optics and photo detector are provided in the optical head and mounted in a fixed position with respect to one another. Substantially all optical components of the optical head are moved as a unit, e.g., during tracking and/or focusing. Preferably, the optical head is fabricated using wafer scale and/or stacking technologies, e.g., stacking substantially planar components to achieve the final optical head configuration.

    摘要翻译: 提供了一种可用于光盘读写器的光头。 光学头具有低轮廓,例如在平行于盘旋转轴线的垂直方向上,例如小于约5mm,优选小于约3mm。 包括激光源,物镜,中间光学元件和光电检测器在内的光学系统的基本上所有部件都设置在光学头中并相对于彼此安装在固定位置。 例如,在跟踪和/或聚焦期间,光学头的基本上所有的光学部件作为一个单元被移动。 优选地,使用晶片刻度和/或堆叠技术制造光学头,例如堆叠基本上平面的部件以实现最终的光学头结构。

    Optical disk drive with micro-SIL
    7.
    发明申请
    Optical disk drive with micro-SIL 失效
    带微SIL的光盘驱动器

    公开(公告)号:US20060280102A1

    公开(公告)日:2006-12-14

    申请号:US11148140

    申请日:2005-06-08

    IPC分类号: G11B7/00

    摘要: A small form factor optical disk drive is provided that incorporates a SIL/objective lens assembly. A laser for the small form factor optical disk drive has a coherence function having maxima spaced apart by intervals. The optical disk drive is configured such that a roundtrip optical path through the SIL/objective lens assembly is such that a coherence value for the laser is located in one of the intervals.

    摘要翻译: 提供了一种小尺寸光盘驱动器,其包括SIL /物镜组件。 用于小尺寸光盘驱动器的激光器具有通过间隔间隔开的最大值的相干函数。 光盘驱动器被配置为使得穿过SIL /物镜组件的往返光路使得激光器的相干值位于其中一个间隔中。