[問卦] 晶圓是怎麼對準光罩的
晶圓在曝光的時候要對準光罩
曝光好幾次就要對準好幾次
要是沒對準不就廢了
我看要對準至少精度要到奈米等級吧
怎麼對準的啊
機器手臂或移動的裝置可以精確到奈米等級嗎?
也太厲害了吧
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※ 編輯: ttucse (36.226.64.252 臺灣), 04/22/2024 22:36:54
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