Trends and Mechanical Issues in Optical Disk Drives

Seung-Yop Lee, Sookyung Kim
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引用次数: 1

Abstract

Recent trends and the effect of mechanical vibrations in optical disk drives are reviewed in this paper. The transition from CD drives to high density DVD drives and the development of writable optical disk drives require tighter mechanical tolerance. The demand for faster access time and higher data transfer rate also leads to critical mechanical problems to limit the tracking and focusing servo performances. The current mechanical issues in the optical disk drives and various technologies to overcome the mechanical problems are introduced. Vibrations of disk-spindle system, actuator and suspension designs of the optical pick-up, and general mechanical designs for the fast and stable access mechanism are considered.
光盘驱动器的趋势和机械问题
本文综述了光驱机械振动的研究进展和影响。从CD驱动器到高密度DVD驱动器的过渡以及可写光盘驱动器的发展需要更严格的机械公差。对更快的访问时间和更高的数据传输速率的需求也导致了关键的机械问题,限制了跟踪和聚焦伺服性能。介绍了当前光驱存在的机械问题以及克服机械问题的各种技术。考虑了盘轴系统的振动、光学拾取器的执行机构和悬挂设计以及快速稳定存取机构的一般机械设计。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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