# Nittobo to invest ¥15B in glass cloth plant expansion in Fukushima

Nittobo will expand glass cloth production capacity at its Fukushima Business Center with a total investment of about 15 billion yen. Construction starts October 2025, with production targeted for Q4 of fiscal 2026. Capacity for T-glass cloth for advanced logic ICs will triple.

- Type: Expansion
- Announced: 2025-10-29
- Where: Fukushima City, Fukushima Prefecture, Japan
- Value: $100.0M (15.0B JPY)
- Starts operating: Q1 2027
- Status: announced
- Capacity: 3x current capacity for T-glass cloth
- Products: low-dielectric low-thermal-expansion glass cloth, T-glass cloth
- Sectors: [Semiconductors and Industrial Electronics](https://endata.com/sectors/semiconductors-electronics.md), [Industrial Textiles](https://endata.com/sectors/industrial-textiles.md)

## Companies

- [Nittobo](https://endata.com/companies/88126.md)

## Sources

- [automation-news.jp](https://www.automation-news.jp/2025/10/98107/), 2025-10-28: "今回の増設は、生成AIの進化と普及に伴うAIサーバー市場の拡大を背景とし、AIサーバー内の高速通信用基板や、先端半導体パッケージ基板に使われる同社の低誘電・低熱膨張ガラスクロスの需要急増に対応するためのもの。"

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