TheTechno Optimist.

REBCO HTS Tape ProductionFaraday Factory Japan—SWCC Corporation and Faraday Factory Japan sign basic agreement for data center superconducting cable systemsREBCO HTS Tape ProductionFaraday Factory Japan—Faraday Factory Japan has delivered over 8,000 km of HTS tape to fusion start-ups

Faraday Factory Japan

REBCO HTS tape, superconductor wire, fusion

JPprivateest. 2011faradaygroup.com (opens faradaygroup.com)Checked 10 Oct

The brief

Analyst view
  • The global leader in second-generation (2G) HTS tape production, having supplied over 8,000 kilometres to fusion start-ups since 2019.
  • Zama factory (opened 2024) has a design capacity of 1,000 km of 12-mm tape per year.
  • Signed basic agreement with SWCC (Aug 2026) on data center cable systems; targeting 2030 commercialisation.

Technical approach

As reported
2G HTS Tape

Second-generation tape production

Uses ion-beam deposition for template, pulsed laser for REBCO layer, silver sputtering and copper plating.

Scale

Industrial manufacturing capacity

Operates in Tokyo and Kanagawa; the Zama facility (opened 2024) is designed to produce up to 1,000 km of tape per year with room to scale further.

Markets

Fusion, power and specialty magnets

Supplies to fusion, power grids, wind and medical devices. Key supplier for fusion reactor magnets.

Primer