<p>➀ The Fraunhofer IZM-ASSID, part of the QSolid project with 24 German institutions, is developing a quantum computer using superconducting qubits to reduce error rates, employing an interposer to optimize connections between qubits and control electronics; </p><p>➁ The 20x15mm interposer enables over 10,000 ultra-thin wirings and thermally decouples the quantum chip, with ongoing tests to scale its size for higher wiring densities; </p><p>➂ Funded by €76.3 million from the German government, QSolid aims to strengthen Germany’s quantum computing competitiveness, targeting industrial applications in chemistry, materials science, and healthcare by 2026.</p>