发明授权
US08570849B2 Tilt angle adjustment method for objective lens and optical information recording/reproducing apparatus 有权
用于物镜和光学信息记录/再现装置的倾斜角度调节方法

Tilt angle adjustment method for objective lens and optical information recording/reproducing apparatus
摘要:
A method for adjusting a tilt angle of an objective lens with respect to one of a multilayer optical disc having a plurality of recording layers and an optical axis of an optical information recording/reproducing apparatus, wherein a use wavelength λ and a numerical aperture NA are defined by conditions: 390
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