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Nitrogen-vacancy diamonds for quantum sensing applications.
QuantumDiamonds develops specialized testing tools utilizing diamond-based quantum sensing technology. Its core product, the QDm.1, non-destructively images electrical activity in circuits, precisely isolating failures. This capability is crucial for advanced packaging in semiconductor manufacturing and provides sensitive current measurement for battery development.
The company originated in Munich, founded by a dedicated team of physicists and engineers. From Europe's deep-tech ecosystem, they identified a need for ultra-precise diagnostic instruments for complex modern electronics. Their insight focused on applying diamond-based quantum technology to overcome conventional analytical limitations.
QuantumDiamonds serves clients in semiconductor manufacturing and battery development, offering critical tools for quality control and detailed failure analysis. The technology supports ongoing semiconductor scaling, enabling improved chip performance and efficiency. The company's vision makes diamond-based quantum technology globally accessible, driving industrial measurement innovation.
Quantum Diamonds has raised $194.4M across 3 funding rounds.
Quantum Diamonds has raised $194.4M in total across 3 funding rounds.
Quantum Diamonds has raised $194.4M in total across 3 funding rounds.
Quantum Diamonds's investors include Philipp Semmer, Mason Sinclair, Bavarian state, Creator Fund, European Innovation Council, First Momentum Ventures, Onsight Ventures, UnternehmerTUM, Earlybird Venture Capital.
QuantumDiamonds is a Munich-based deep-tech startup founded in 2022 as a spin-off from the Technical University of Munich (TUM), specializing in quantum sensing technology using nitrogen-vacancy (NV) centers in synthetic diamonds.[3][6] The company builds nanoscale quantum sensors and devices like the QD m.0 and QD m.1 microscopes for non-destructive, high-resolution 3D inspection of semiconductors, measuring magnetic fields, temperature, and pressure at room temperature with atomic-scale precision.[2][4][5] These tools serve semiconductor manufacturers, chipmakers, and high-tech industries including defense, solving critical problems in failure analysis and quality control by detecting elusive faults in complex AI-era chip architectures without damaging samples, reducing waste, and boosting yields.[2][4][5] With €7M raised, 35 employees, and recent milestones like the QD m.1 launch at Semicon Taiwan in September 2025, QuantumDiamonds shows strong growth momentum, including U.S. market entry via the German Accelerator program and advisor additions like former TSMC Director Dr. David Su.[2][6]
QuantumDiamonds emerged in 2022 from research at the Technical University of Munich, leveraging breakthroughs in NV centers—atomic defects in diamonds that enable ultra-sensitive quantum sensing without cryogenics.[3][6] Co-founders include CEO Kevin Berghoff, who brings business scaling expertise, and CTO Dr. Fleming Bruckmaier, a quantum expert focused on magnetic field imaging.[2][5] The idea stemmed from translating lab quantum tech into commercial tools for semiconductors, where traditional methods fall short on nanoscale faults in advanced chips.[2][3] Early traction came via SPRIND funding for a hemispheric diamond lens achieving 180 nm resolution, rapid prototype development faster than ASML's early days (per Handelsblatt), and partnerships with Fraunhofer Institutes.[5][6] Pivotal moments include launching the world's first commercial quantum chip inspection device, QD m.0, and securing €7M in funding from investors like IQ Capital.[6][8]
QuantumDiamonds rides the quantum sensing wave amid surging demand for advanced semiconductors in AI, 3D stacking, and hybrid bonding, where classical tools can't match nanoscale precision for fault detection.[2][4][7] Timing is ideal: chip complexity is exploding (e.g., for AI chips), yet failure analysis markets are vast and growing, with production-line QC even larger; quantum tech "makes the invisible visible" non-destructively.[3][5] Market forces like supply chain security, Europe's push for tech autonomy (via SPRIND, Fraunhofer), and NATO defense needs (tripling undersea detection) favor it, reducing reliance on non-EU tech.[3] It influences the ecosystem by enabling next-gen 3D semis, cutting waste for sustainable fabs, and accelerating quantum commercialization from labs to industry.[1][4][7]
QuantumDiamonds is poised to disrupt semiconductor testing, with QD m.1's 2025 launch and U.S. entry signaling scale-up from service-based analysis to inline tools by 2028.[2][5][6] Trends like AI chip proliferation, quantum tech maturation, and defense autonomy will propel it, potentially capturing share in a multi-billion failure/QC market while expanding to biomedical/metrology uses.[1][3] Influence may evolve via global partnerships, mirroring ASML's trajectory but faster, as Europe builds quantum leadership—watch for production-line breakthroughs that slash fab costs and emissions, redefining precision metrology. This positions QuantumDiamonds as a key enabler in the quantum-semiconductor nexus, transforming lab wonders into industrial reality.[3][5][6]
Quantum Diamonds has raised $194.4M across 3 funding rounds. Most recently, it raised $178.8M Other Equity in December 2025.
| Date | Round | Lead Investors | Other Investors |
|---|---|---|---|
| Dec 16, 2025 | $178.8M Other Equity | ||
| Nov 27, 2023 | $7.7M Grant / Seed | Philipp Semmer, Mason Sinclair | Bavarian state, Creator Fund, European Innovation Council, First Momentum Ventures, Onsight Ventures, UnternehmerTUM |
| Nov 1, 2023 | $8.0M Seed | Earlybird Venture Capital |