Hardware

3D carbon nanotube chip

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Welcome to December 15, 2025 (theinnermostloop.substack.com)

First fully 3D chip with carbon nanotube transistors made entirely in a US commercial foundry.

Development timeline

Newest reporting dates first. Reporting dates may differ from event dates.

2025-12-15: SkyWater fabricates a 3D carbon nanotube chip domestically

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Developed by

SkyWater Technology

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3D carbon nanotube chip
Innermost Loop KB — secondary record
Reporting date: unknown
KB permalink: https://nicholsn.github.io/innermost-loop-kb/hardware/skywater-3d-cnt-chip
Attributed sources:
- Welcome to December 15, 2025 — https://theinnermostloop.substack.com/p/welcome-to-december-15-2025
This citation does not imply independent verification of linked-source claims.

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