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Sony hands chip manufacturing to TSMC in image-sensor joint venture

Sony hands chip manufacturing to TSMC in image-sensor joint venture

Money Moves

The world's top image-sensor maker takes its first step away from building its own chips

Today: Sony and TSMC form a $4.69 billion joint venture

Overview

For decades, Sony designed and built its own camera chips from start to finish. On August 11, 2026, it agreed to stop doing the second half alone.

Sony and Taiwan's TSMC will form a joint venture worth about $4.69 billion to make next-generation image sensors in Kumamoto, Japan. Sony keeps the pixel design and customers. TSMC brings the factory know-how. Volume production is targeted for 2029.

Why it matters

Sony makes the camera sensor in most high-end phones. How it builds the next generation shapes the cameras in your next several phones.

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Key Indicators

$4.69B
Initial joint-venture investment
Sony puts in ¥465 billion, TSMC ¥282 billion in the first phase.
~60%
Sony's stake in the venture
Sony is the controlling shareholder; TSMC holds roughly 40%.
>60%
Sony's smartphone sensor share
Sony led the smartphone image-sensor market in the third quarter of 2025, per TechInsights.
2029
Target for volume production
The Kumamoto plant aims to start mass output around May 2029.
10,000
300mm wafers per month
Planned monthly capacity at the new facility in Koshi, Kumamoto.

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People Involved

Organizations Involved

Timeline

February 2024 August 2026

3 events Latest: Today
  1. Sony and TSMC form a $4.69 billion joint venture

    Today Deal

    The two companies create Advanced Vision Semiconductor Manufacturing in Kumamoto. Sony contributes a new factory and ¥465 billion; TSMC invests ¥282 billion. Production is targeted for 2029.

  2. Sony and TSMC sign a preliminary agreement

    Statement

    Sony Semiconductor Solutions and TSMC announce a preliminary deal to partner on next-generation image sensors, setting up the later joint venture.

  3. TSMC opens its first Japan fab in Kumamoto

    Background

    TSMC starts production at its JASM plant in Kumamoto, with Sony among the backers. The site becomes a growing hub for chipmaking in southern Japan.

Historical Context

3 moments from history that rhyme with this story — and how they unfolded.

March 2009

AMD spins off its factories to form GlobalFoundries (2009)

Chip designer AMD split off its manufacturing plants into a separate company, GlobalFoundries, backed by Abu Dhabi investors. AMD kept design and gave up the burden of funding leading-edge fabs.

Then

AMD shed heavy factory costs and the debt tied to them.

Now

AMD went fully fabless and later used TSMC to build competitive chips, recovering from years of losses.

Why this matters now

Sony is making a lighter version of the same move: keep the design, share the factory. AMD shows going fab-light can free a design company to compete harder.

November 2021

Sony takes a stake in TSMC's Kumamoto plant (2021)

When TSMC agreed to build its first Japanese fab in Kumamoto, Sony joined as a minority investor. The plant, called JASM, opened in 2024 with Japanese government support.

Then

Sony secured a nearby chip supply and a working relationship with TSMC.

Now

Kumamoto grew into a chipmaking cluster, setting the stage for the deeper 2026 venture.

Why this matters now

The new venture builds directly on this earlier tie-up. Sony and TSMC already knew how to work together in the same prefecture.

October 2014

IBM pays GlobalFoundries to take over its chip unit (2014)

IBM agreed to pay GlobalFoundries $1.5 billion to absorb its money-losing chip manufacturing operations. IBM kept research and chip design but exited high-volume production.

Then

IBM removed a loss-making business from its books.

Now

IBM stayed a chip innovator through research while others handled manufacturing.

Why this matters now

Another case of a big electronics maker deciding it no longer needed to own every factory. Sony is choosing partnership over a full exit, but the logic of shedding capital cost is the same.

Sources

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