Hitachi

quantum-vendor · computing-hardware · Tokyo, Japan · hitachi.com

Machines in the Atlas (1)

• Hitachi x Intel 18A spin programme — ANNOUNCED, 100 q, Jul 2026

Technologies its machines use

• Gate-defined quantum-dot spin (Si/SiGe, SiMOS, Ge) · 1
• Single-spin (Loss–DiVincenzo) / nuclear-spin encoding · 1
• Exchange gate (spins; incl. shuttled-spin CZ) · 1
• Static nearest-neighbour lattice · 1
• Cryo-CMOS controller (4 K / mK) · 1
• Spin-to-charge conversion + rf reflectometry · 1
• Cryogenic signal fan-out for spin arrays (router die, 3D stacked wiring) · 1
• 300 mm CMOS foundry (spins, cryo-CMOS, superconducting wiring) · 1

Architectures

• Silicon / germanium quantum-dot spins

Mentioned in the briefs of

• Cryogenic signal fan-out for spin arrays (router die, 3D stacked wiring)