# JX Advanced Metals expands InP substrate production in Japan

JX Advanced Metals Corp is making a further capital investment of about ¥3.3 billion to increase indium phosphide (InP) substrate production capacity by about 50% compared to 2025 levels at its Isohara Plant in Kitaibaraki City, Ibaraki Prefecture, Japan.

- Type: Expansion
- Announced: 2025-10-09
- Where: Kitaibaraki City, Ibaraki Prefecture, Japan, Japan
- Value: $22.0M (3.30B JPY)
- Status: announced
- Capacity: 50% increase in InP substrate production capacity
- Products: indium phosphide (InP) substrates
- Sectors: [Semiconductors and Industrial Electronics](https://endata.com/sectors/semiconductors-electronics.md)

## Companies

- [JX Advanced Metals Corporation](https://endata.com/companies/16093.md)

## Sources

- [semiconductor-today.com](https://www.semiconductor-today.com/news_items/2025/oct/jx-091025.shtml), 2025-10-09: "JX Advanced Metals Corp is to make a further capital investment to increase the production of indium phosphide (InP) substrates at its Isohara Plant."

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.