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    • 9. 发明授权
    • Optical head with monolithic layer for optical storage
    • 光学头具有用于光学存储的单片层
    • US06522617B1
    • 2003-02-18
    • US09374446
    • 1999-08-13
    • John BergJohn RitterDavid KindlerLori Duncan
    • John BergJohn RitterDavid KindlerLori Duncan
    • G11B700
    • G11B7/1387G11B7/122G11B7/1374G11B7/22G11B11/10554G11B11/1058G11B2007/13727
    • Optical heads having a monolithic layer for interfacing storage media and methods for manufacturing such heads. In one embodiment, the substrate has first and second surfaces to define a through hole which forms an optical path and a lens with a spherical surface and a flat surface opposing the spherical surface is disposed in the optical path in the through hole. The flat surface is coplanar with a flat portion of the second surface. The optical head also includes a transparent layer contiguously formed over both the flat surface of the lens and the second surface of the substrate to form a monolithic layer. The refractive index of the additional layer may match that of the lens. In addition, the additional layer may have a material hardness greater than that of the lens to protect the lens and to reduce wear.
    • 具有用于连接存储介质的单片层的光学头和用于制造这种头的方法。 在一个实施例中,基板具有第一和第二表面以限定形成光路的通孔,并且具有球形表面的透镜和与球形表面相对的平坦表面设置在通孔中的光路中。 平坦表面与第二表面的平坦部分共面。 光学头还包括在透镜的平坦表面和衬底的第二表面上连续形成的透明层,以形成整体层。 附加层的折射率可以与透镜的折射率相匹配。 此外,附加层的材料硬度可能大于透镜的材料硬度,以保护透镜并减少磨损。