Sam Zeloof and Jim Keller turn Atomic Semi into Fab2, a startup trying to mass-produce small chip fabs

The former Atomic Semi is moving its center of gravity to Texas and selling a faster, smaller answer to semiconductor prototyping.

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Primary source: Tom's Hardware

Why it matters

Fab2 is trying to move semiconductor prototyping from scarce foundry slots toward smaller, repeatable fabs, a bet that could matter for startups building specialized chips in low volumes.

Illustration of Fab2's compact semiconductor fabrication plant model, showing a miniature fab and figures representing founders Sam Zeloof and Jim Keller.

Sam Zeloof and Jim Keller's Atomic Semi is now presenting itself as Fab2, a semiconductor startup built around a blunt premise: make the tools, make the fabs, then make a factory that can make many more fabs.…

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