QuantumDiamonds, a Munich-based semiconductor inspection startup, announced EUR91 million in combined funding on July 9 -- a EUR15 million equity round led by World Fund with participation from IQ Capital, layered with EUR76 million in non-dilutive support approved under the European Chips Act. The company says it is the first startup to receive manufacturing funding under that program, with the non-dilutive portion expected to be jointly provided by Germany's Federal Ministry for Economic Affairs and Energy and the Free State of Bavaria.
The company's technology uses quantum sensors built on synthetic diamonds -- leveraging nitrogen-vacancy centers -- to perform non-destructive, nanoscale current imaging that detects hidden defects inside advanced chips without damaging them. That capability is aimed squarely at improving manufacturing yields for leading-edge semiconductor nodes, where defect detection has become a bigger yield bottleneck as feature sizes shrink. QuantumDiamonds says it already works with nine of the world's ten largest semiconductor manufacturers and has installed systems in the United States and Taiwan.
“QuantumDiamonds says it already works with nine of the world's ten largest semiconductor manufacturers and has installed systems in the United States and Taiwan.”
The new capital funds a EUR152 million production facility in Munich that QuantumDiamonds first unveiled plans for in December 2025 -- what it describes as the world's first dedicated production facility for advanced chip-testing systems, including sensor production lines for quantum-grade diamond substrates, cleanroom integration of its inspection systems, and joint development labs with semiconductor partners. The company expects to open the facility's first operational section later this year.
The structure of the round -- a relatively modest equity check paired with a much larger non-dilutive government grant -- reflects a financing pattern the EU Chips Act was specifically designed to enable: using public capital to de-risk capital-intensive manufacturing scale-up for strategically important hardware startups, rather than forcing them to raise the full amount from equity investors and dilute early ownership. For founders building capital-intensive deep-tech hardware in Europe, QuantumDiamonds' approval is a concrete signal that Chips Act manufacturing funding is now actually flowing to startups, not just incumbents.
The bear case: non-dilutive government funding still requires the underlying business to execute on an ambitious manufacturing build-out on a tight timeline, and delays in opening the Munich facility would leave QuantumDiamonds more exposed than a pure-equity-funded competitor might be. What to watch next: whether the first operational section of the Munich facility opens on schedule later this year, and whether other European deep-tech hardware startups begin securing similar Chips Act manufacturing awards.