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Diamond Foundry Grows First 200mm Single-Crystal Diamond
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Fusion42 · 8 November 2026 · Fusion42 review
Diamond Foundry has grown the first 200mm single-crystal diamond wafer, aiming to enable better heat dissipation in AI chips. Although the crystal is unpolished and not yet ready for production, the company is scaling volume production with EU backing.
This Wire brief sits within Fusion42's coverage of Semiconductors, and 2 sources have reported it.
◆ ◆ The Wire takeaway
You have a new path to cool AI chips through diamond wafers, but quality and scaling are still open hurdles to solve this year. Diamond Foundry's EU-backed effort signals a future market opening if you work on chip cooling or packaging.
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2 sources · 8 Nov 2026
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