Silicon AnalyticaGlossary · Manufacturing
What is a FinFET?
A FinFET is a transistor whose channel rises from the wafer like a thin fin, with the gate wrapped around three sides. It became the standard design for advanced logic chips in the 2010s and is being replaced by gate-all-around transistors at the leading edge.
Why it matters for investors
FinFET nodes remain in volume production for many years after newer designs arrive, so they continue to generate revenue for foundries and to be used for many current products.
The maturity and cost of FinFET processes make them a reference point when comparing the economics of moving to newer transistor designs.
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General educational explanation. Information only, not investment advice.