美國封鎖先進的EUV光刻製作工藝，大陸隻能用DUV光刻做7納米，良率差導致成本大幅上升，無法大規模生產。

來源: parentb 於 2024-03-24 19:43:34 [舊帖] [給我悄悄話] 本文已被閱讀：次

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