French quantum computing startup C12 is advancing a nanoassembly process for transferring individual carbon nanotubes onto quantum chips— a process the company calls pick-and-place.
C12’s Quantum Processing Unit (QPU) is fabricated by integrating carbon nanotubes (housing spin qubits) on a semiconductor chip. These carbon nanotubes are made from ultra-pure carbon-12 isotope, grown via the company’s proprietary process.
Matthieu Desjardins, co-founder, chairman, and CTO of C12, said, “Pick & Place is directly inspired by techniques used in advanced semiconductor packaging, where the same concept enables very high throughput integration. We adapted it to the nanoscale to achieve deterministic assembly of carbon nanotubes, opening the same long-term opportunity for quantum chip manufacturing”.
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