StocksMediumUpdatedOriginally published 25 March 2026Updated 26 March 2026
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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.
2The expansion aims to support the company's differentiated optical and photonics platforms and meet strong customer demand.
3The move supports the announced transition of TPSCo and strengthens high-value technology offerings.

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.