Unverified50% confidenceFactExact time
三星的水滴形铰链（Hideaway Hinge）技术最早在Galaxy Z Fold 2（2020年）上引入，将折叠半径从约1.5mm提升至约1.7-2mm
1
Sources
50%
Confidence
Long-term
Relevance
7/9/2026
First Seen
Sources
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