Unverified50% confidenceFactExact time
IBM于2021年展示了全球首个2纳米芯片技术，采用纳米片结构的GAA晶体管
1
Sources
50%
Confidence
Long-term
Relevance
7/7/2026
First Seen
Sources
IBM Sub-1nm Chip Breakthrough: How GAA Architecture Is Reshaping the Future of Semiconductors
hackernewshackernews7/5/2026
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