
As TSMC has decided to upgrade its 2nd Kumamoto fab to 3nm, the foundry giant is also exploring to secure more opportunities for its mature nodes in Japan. According to its press release on May 8, Sony and TSMC announced the signing of a non-binding memorandum of understanding (MOU) to establish a strategic partnership focused on the development and manufacturing of next-generation image sensors.
Notably, under the proposed framework, the two companies plan to form a joint venture (JV), with Sony serving as the majority and controlling shareholder. The JV is expected to build development and production lines at Sony’s newly constructed fab in Koshi City, Kumamoto Prefecture.
TSMC said that beyond manufacturing expansion, the partnership is also aimed at exploring emerging opportunities in physical AI applications, including automotive and robotics.
Through this collaboration, Sony will contribute its deep expertise in image sensor design, while TSMC will bring its advanced process technology and large-scale manufacturing capabilities. Both sides aim to combine their respective strengths to further enhance the performance and competitiveness of future image sensor technologies.
The move aligns with an April Reuters report, which noted that Japan’s Ministry of Economy, Trade and Industry (METI) has confirmed that the Japanese government will provide subsidies of up to ¥60 billion (approximately US$380 million) to Sony Semiconductor Solutions Corporation for the construction of an image sensor facility in Kumamoto Prefecture, western Japan.
Sony is a long-time customer of TSMC. As previously reported by Commercial Times, TSMC’s first Kumamoto fab—entering mass production in late 2024—supplies logic chips to Sony and DENSO, using 22/28nm and 12/16nm process technologies.
Separately, Sony has recently begun restructuring efforts, including a spin-off of its television business. Its CIS (image sensor) unit is also facing rising competitive pressure, as Samsung Electronics continues to expand its share in supplying image sensors for Apple, prompting Sony to seek new growth momentum in the segment, Commercial Times added.
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