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WingStar 路人甲乙丙
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quote:Originally posted by WingStarhttps://newsletter.semianalysis.com/p/steel-smic-n3-teardownhttps://semianalysis.com/die-yield-calculator/https://enkiai.com/ai-market-intelligence/smic-ai-chip-strategy-2026-inside-chinas-5nm-power-play/https://www.globalbankingandfinance.com/huawei-unveils-mate-90-phones-leans-homegrown-chip-design/https://note.com/tomorrow56/n/n32e561004830?hl=enhttps://hellochinatech.com/p/huawei-logicfolding-silicon-costhttps://thenextweb.com/news/china-japan-dichlorosilane-anti-dumping-duty-chip-fabs根據半導體研調機構SemiAnalysis與美國Council on Foreign Relations(CFR)等權威機構的最新反向工程與拆解報告,華為高調宣稱晶片全面國產化且無懼封鎖的說法,正被其代工廠中芯國際(SMIC)在物理極限上的硬傷徹底戳破,由於中芯缺乏艾司摩爾(ASML)的極紫外光(EUV)曝光微影設備,為了強行在先進製程(如接近5奈米至6奈米級別的N+3製程)中提高電晶體密度,中芯被迫高度仰賴深紫外線(DUV)設備來執行複雜的自對準四重圖案化(Self-Aligned Quadruple Patterning,SAQP)技術,物理拆解顯示,這項暴力的製程將其晶圓底片(Die)上的金屬線寬(Metal Pitch,M0)強行壓縮至32.5nm,這導致製程容錯率極低,一旦上游特殊氣體純度出現微小雜質,缺陷就會在多層曝光中成倍放大這種在技術與材料瓶頸下的生產模式,直接導致其晶圓產線面臨慘不忍睹的真實良率與巨額報廢成本,通常西方商業晶圓廠的良率必須穩定在70%至90%以上才具備市場獲利能力,
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