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SleepTooLong銀蟲 (小有名氣)
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請教光刻的一些問題 已有3人參與
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一篇光刻的文章,講偏差的部分,原文: Definition : the state of Abnormal optical condition,path ; It’s related to lens polishing & assembly accuracy. There are around 6 kinds of Aberration : (1) Spherical Ab.,(2) Coma, (3) Field Curvature, (4) Distortion, (5)Astigmatism, (6) Chromatic Ab. This is not easy to improve after lens assembly finished : Because this comes from lens itself. This is the reason why Lens evaluation specification is so important. 請教下6種情況具體指什么?謝謝! |
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銀蟲 (小有名氣)
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