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StocksMediumUpdated•Originally published 25 March 2026•Updated 26 March 2026•

1 min read

Tower Semiconductor to Expand 300mm Wafer Capacity in Japan Amid Rising Demand

Key Facts

1Tower Semiconductor announced plans to expand 300mm wafer capacity at its facilities in Japan.

2 months ago

Version History

1 additional source confirmed this story

Version 12 months ago

What changed: Updated to include the 6% stock price drop due to a sector selloff, specific technology targets (SiPh and SiGe), and analyst commentary on how restructuring is boosting the capacity outlook.

Tower Semiconductor has announced strategic plans to expand its 300mm wafer manufacturing capacity in Japan to support its optical and photonics technology platforms. Analysts at Wedbush Securities specified that these expansion plans specifically target silicon photonics (SiPh) and silicon-germanium (SiGe) production. Despite the expansion news, TSEM shares fell more than 6% in New York trading on Thursday, caught in a broader selloff across the semiconductor sector. Experts suggest that ongoing restructuring is boosting the company's capacity outlook and supporting long-term growth despite current market volatility. This move also facilitates the transition of TPSCo, strengthening the firm's overall technological offerings for high-value semiconductor solutions. The initiative underscores Tower’s commitment to enhancing its manufacturing footprint in key global markets amid rising customer demand.