高精度调焦系统
A High Precision Focus System
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摘要: 本文介绍一套跟踪精度达一微米的非接触自动跟踪系统,这种系统在光盘存储等领域是 必不可少的.Abstract: A non-contact automatic tracking system is introduced and its precision is up to one micrometer. This kind of system is necessary in the field of optimal disk storage system.
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