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    • 33. 发明授权
    • Optical head, optical information storage apparatus, and their fabrication method
    • 光头,光信息存储装置及其制造方法
    • US07457206B2
    • 2008-11-25
    • US11211438
    • 2005-08-26
    • Takeshi ShimanoMasatoshi KanamaruMasaya Horino
    • Takeshi ShimanoMasatoshi KanamaruMasaya Horino
    • G11B7/00
    • G11B7/08576G11B7/123G11B7/1374
    • In an optical head, if a lens is reduced in size so that it can be integrated with a light source and a photodetector, other optical components as well as the lens must be reduced in size, which would result in greater difficulties in handling for assembly and adjustment purposes. The invention allows large quantities of ultra-small optical heads to be produced accurately and at low cost, the optical heads being easy to adjust and not requiring the handling of minute components for adjustment purposes. A first substrate includes lenses for focusing light on an information storage medium, a second substrate includes detectors and disposed on the surface thereof, and a layer, which is disposed between the first and second substrates, includes prisms and mirrors. The layer also includes cavities in which light sources are disposed. The individual substrates are formed in the form of wafers with the lenses, mirrors, prisms, light sources, and photodetectors disposed thereon.
    • 在光学头中,如果透镜的尺寸减小以使其能够与光源和光电检测器集成,则其它光学部件以及透镜的尺寸必须减小,这将导致更大的装配难度 和调整目的。 本发明允许以低成本准确地,低成本地制造大量的超小型光学头,光学头易于调节,并且不需要处理用于调整目的的微小部件。 第一基板包括用于将光聚焦在信息存储介质上的透镜,第二基板包括检测器并设置在其表面上,并且布置在第一和第二基板之间的层包括棱镜和反射镜。 该层还包括其中设置有光源的空腔。 各个基板以晶片的形式形成,其上设置有透镜,反射镜,棱镜,光源和光电探测器。
    • 34. 发明申请
    • Optical head, optical information storage apparatus, and their fabrication method
    • 光头,光信息存储装置及其制造方法
    • US20060193214A1
    • 2006-08-31
    • US11211438
    • 2005-08-26
    • Takeshi ShimanoMasatoshi KanamaruMasaya Horino
    • Takeshi ShimanoMasatoshi KanamaruMasaya Horino
    • G11B7/00
    • G11B7/08576G11B7/123G11B7/1374
    • In an optical head, if a lens is reduced in size so that it can be integrated with a light source and a photodetector, other optical components as well as the lens must be reduced in size, which would result in greater difficulties in handling for assembly and adjustment purposes. The invention allows large quantities of ultra-small optical heads to be produced accurately and at low cost, the optical heads being easy to adjust and not requiring the handling of minute components for adjustment purposes. A first substrate includes lenses for focusing light on an information storage medium, a second substrate includes detectors and disposed on the surface thereof, and a layer, which is disposed between the first and second substrates, includes prisms and mirrors. The layer also includes cavities in which light sources are disposed. The individual substrates are formed in the form of wafers with the lenses, mirrors, prisms, light sources, and photodetectors disposed thereon.
    • 在光学头中,如果透镜的尺寸减小以使其能够与光源和光电检测器集成,则其它光学部件以及透镜的尺寸必须减小,这将导致更大的装配难度 和调整目的。 本发明允许以低成本准确地,低成本地制造大量的超小型光学头,光学头易于调节,并且不需要处理用于调整目的的微小部件。 第一基板包括用于将光聚焦在信息存储介质上的透镜,第二基板包括检测器并设置在其表面上,并且布置在第一和第二基板之间的层包括棱镜和反射镜。 该层还包括其中设置有光源的空腔。 各个基板以晶片的形式形成,其上设置有透镜,反射镜,棱镜,光源和光电探测器。