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Sulfur Hexafluoride (SF₆) - Used in plasma etching processes: The invisible fluorine infrastructure behind AI chips, MEMS sensors, power devices and wafer-scale precision
A semiconductor fab does not look like a chemical factory from the outside. It looks clean, silent and almost clinical. But behind every 300 mm wafer line, there is a gas infrastructure moving molecules with the precision of a metro network. Sulfur Hexafluoride (SF₆) - Used in plasma etching processes sits in that hidden network because one wafer can pass through 400–1,200 process...
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