FundingIndustrial, Energy & Climate
Atomic Machines Lands $250M to Scale Micro-Machine Manufacturing
Atomic Machines raised $250M in funding led by OneIM to produce functional micro-machines from digital designs for AI data centers.

The big picture: Atomic Machines has emerged from six years of stealth with $250 million in funding, introducing a manufacturing platform designed to produce functional micro-machines directly from digital designs. The technology targets diverse applications, including AI data centers, robotics, and medical devices.
Why it matters:
- Manufacturing Gap: Atomic Machines addresses a critical gap between conventional production methods and semiconductor fabrication, which struggle to efficiently produce complex, multi-material devices at micron scales.
- Programmable Production: The company’s AI-native Matter Compiler allows software to determine device production, eliminating the need for specialized tooling and lengthy process development for each new micro-machine.
- Economic Impact: This programmable approach could significantly reduce the cost and time required to develop highly specialized hardware, enabling both rapid prototyping and high-volume manufacturing with the same infrastructure.
How it works:
- Matter Compiler: The core platform is an AI-native manufacturing system capable of building three-dimensional machines with multiple materials, moving parts, and integrated subsystems, achieving features down to single-digit microns.
- AI Integration: Artificial intelligence is embedded throughout the manufacturing process, using high-precision metrology for real-time adjustments and conducting physical experiments to validate designs generated through simulation.
- PrimeSwitch Product: Atomic Machines unveiled PrimeSwitch, an electromechanical power relay designed for high-density electrical infrastructure, including the 800-volt DC architectures increasingly used in AI data centers.
The catch: While the Matter Compiler promises a transformative approach, Atomic Machines must prove its ability to scale beyond initial demonstrations and achieve economical production volumes. The company faces competition in the broader microelectromechanical systems (MEMS) market, and successful adoption of PrimeSwitch will depend on its performance and cost-effectiveness compared to existing switching solutions in demanding AI data center environments.
Key Facts
- Company: Atomic Machines
- Amount: $250M
- Investors: OneIM (lead), Gigafund, XTX Ventures, KAS Venture Partners, Valor Equity Partners, Tru Arrow Partners, Construct Capital, Sozo Ventures, Regents of the University of California
- Founder: Jeff Holden
- Sector: Micro-Machine Manufacturing
- Headquarters: Emeryville, California
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