Air Liquide has announced a $236 million (€200 million) investment in Hiroshima, Japan, to develop new industrial gas production facilities supporting a major semiconductor manufacturer’s expansion into next-generation AI chip production. The project is structured under a long-term supply agreement and will see Air Liquide build, own, and operate two state-of-the-art gas production units, with operations targeted to begin by end-2028.

The development also reflects the increasing demand for advanced semiconductors across the globe. This is with a particular interest in those powering AI applications and heavy compute loads. Air Liquide’s investment in Hiroshima also strengthens Japan’s role in the global chip supply chain with major digital infrastructure investments outcropping in the region, such as the world’s biggest AI data center in South Korea capped at 3 GW.

Air Liquide’s $236 Million Investment in Japan to Support Next-Generation AI Chip Production

The investment comes amid a global surge in semiconductor demand driven by AI workloads and advanced computing and data centers. Supply chain localization efforts also play a key part in this investment as countries try to be independent.

Japan also remains a key semiconductor hub. This is through government and industry backing with aim to revitalize domestic chip manufacturing. Air Liquide’s expansion is also riding a trend of industrial gas suppliers co-locating infrastructure directly at semiconductor fabs.

Ultra-high-purity gases such as nitrogen, oxygen, and argon are also essential to semiconductor fabrication, where even microscopic contamination can compromise chip performance.

Project Scope for Air Liquide Hiroshima Semiconductor Gas Facilities

The Hiroshima development by Air Liquide is also centered on on-site industrial gas generation infrastructure prepped for semiconductor manufacturing.

Key Features:

Investment Value: $236 million

Location: Hiroshima, Japan

Facilities: Two industrial gas production units

Products: Ultra-high-purity nitrogen, oxygen, argon

Application: Semiconductor and AI chip production

Delivery Model: Build-own-operate (BOO)

Operations Start: By end-2028

The facilities will supply large volumes of ultra-pure gases directly to the semiconductor plant.

Development Model

Air Liquide is using a long-term contract-based infrastructure model. This model reduces dependency on transported gas supplies while ensuring continuous, high-quality production conditions.

Project Cost

Total Investment: $236 million

Structure: Long-term industrial gas supply agreement

Ownership: Air Liquide retains full ownership and operational control

The project is part of Air Liquide’s broader global semiconductor investment strategy, which includes similar developments across the U.S., Europe, and Asia.

Project Team

Developer/Owner/Operator: Air Liquide

Offtaker: Semiconductor manufacturer

R&D and Innovation Support:

• Air Liquide Innovation Campus Tokyo
• Advanced Materials Center in Tsukuba