Diamond Foundry says it grew a 200mm single-crystal diamond after 25 years
Diamond Foundry CEO Martin Roscheisen credits Stefan Gsell and Martin Fischer's 25-year pursuit, but the crystal is as-grown and unpolished, not yet a qualified wafer.
By RuntimeWire Staff · Published
Primary source: PR Newswire Business Technology
Why it matters
A 200mm single crystal would move diamond toward the wafer formats chipmakers already build around, especially for spreading heat from high-power AI processors. The announcement does not yet prove polished-wafer quality, yield, pricing or a customer device, so the milestone tests crystal growth first and manufacturing economics next.
Martin Roscheisen has spent his career trying to manufacture difficult things at larger scale. The Stanford computer-science PhD worked in Terry Winograd's group, co-founded eGroups before its acquisition by Yahoo, and later founded solar manufacturer Nanosolar. At Diamond Foundry, he is applying that manufacturing instinct to a material long valued for its physics and constrained by its size: diamond.…
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