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Technology

Quantum computing

Cryogenics, control electronics, and superconducting qubit fabrication.

⚠ Dilution refrigerators & helium-3

Key chokepoints

  • Dilution refrigeratorsCryogenics

    Only a few vendors build production-grade dilution fridges; lead times exceed a year.

    Related tickers: IBM

  • Helium-3 & cryogenic supplyMaterials

    Helium supply shocks raise operating costs and downtime risk for cryogenic systems.

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