第一项始终是图钉的来源。总体可信度是各份资料对上方所用开始和结束时间支持程度的加权平均;资料每比最新的一份旧 180 天,权重减半。
TSMC's[2] 2nm page says N2 "has started volume production in 4Q25 as planned" and its 2025 annual report that it "entered high volume manufacturing in 4Q'25"; neither names the day, so the quarter's last day stands in.
TSMC's[1] own annual report states "Our 2-nanometer technology successfully entered high volume manufacturing in 4Q'25, with good yield, and we expect a fast ramp in 2026."
The Taipei Times (CNA) says TSMC[1][2] "officially began volume production of its 2-nanometer chips in the fourth quarter of 2025", that production is "centered at Fab 22 in Kaohsiung", and that the website update was the first official confirmation.
TechSpot notes TSMC[1][2] disclosed the milestone on its website rather than in a press release, "fulfilling its goal to begin production in the fourth quarter of 2025", with fabrication starting at Kaohsiung.
Tom's Hardware reports TSMC[1][2] began N2 volume production "as planned" in 4Q25, at Fab 22 near Kaohsiung rather than Fab 20 near Hsinchu as expected, and lists N2's gains over N3E.
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