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Electronic-grade polysilicon
Hemlock, Burghausen, États-Unis / Allemagne / Japon43.41°N 84.24°W
computed criticality11/100
reading
A handful of "electronic grade" (11N) qualified plants
2024Fault line
Electronic-grade silicon demands 99.999999999% purity. Qualifying a new plant takes years: the bottleneck is not capacity, it is accumulated metrological trust.
Actors
Hemlock Semiconductor (Michigan)
Wacker (Burghausen)
Tokuyama (Japan)
Feeds 1
300 mm wafers, Shin-Etsu & SUMCOSilicon↗