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8 December 1998 Novel method for disk run-out testing
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We raised a novel method to test radial run-out of optical disc. The method measures run-out by track-across signal when optical head keeps focusing on rotating disc and stops in radial direction. The track-across signal can be picked up from commercial disc drive. Then the distance of passed tracks is calibrated by linear gratings. The advantages of this method are low-cost and high accuracy.
© (1998) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Jun Huang, Xiandeng Pei, Changsheng Xie, and Benxi Liu "Novel method for disk run-out testing", Proc. SPIE 3430, Novel Optical Systems and Large-Aperture Imaging, (8 December 1998);


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