China's New Chip Strategy Defies the Laws of Chipmaking

Tomorrow Engineered

Tomorrow Engineered

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China was cut off from the most advanced chipmaking machines in the world. Instead of giving up, its engineers began redesigning the entire way advanced chips are built.

For years, ASML's EUV lithography machines have been at the center of cutting-edge semiconductor manufacturing. These enormous systems use extreme ultraviolet light to print incredibly small circuits, enabling companies such as TSMC to produce advanced processors. China was denied access to EUV technology, creating what appeared to be a major barrier to next-generation chips.

But China found another route.

This video breaks down how Chinese semiconductor companies are using chiplets, advanced packaging, 3D stacking, silicon bridges, copper-to-copper bonding, multi-patterning, and domestically produced high-bandwidth memory to work around restrictions on advanced lithography.

— How ASML's EUV machines actually work
— Why China was cut off from EUV lithography
— How Chinese engineers are using chiplets instead of relying entirely on smaller transistors
— The technology behind silicon bridges and 2.5D interposers
— How copper-to-copper bonding enables 3D chip stacking
— Why heat is one of the biggest challenges in stacked semiconductor designs
— How SMIC used multi-patterning to push older DUV equipment further
— What Huawei's Kirin 9030 Pro demonstrated about transistor density
— Huawei's proposed “Tau Scaling Law” and LogicFolding architecture
— How CXMT is developing China's domestic HBM supply chain
— Why advanced packaging could become the next major semiconductor battleground
— Why China is investing billions into advanced chip packaging infrastructure
— How China's domestic semiconductor ecosystem is being built around supply-chain independence

The biggest shift may not be about reaching the smallest possible nanometer number. The semiconductor industry is increasingly focused on how efficiently processors, memory, and chiplets can be connected together.

China's approach emerged partly because export controls closed off access to the tools it needed. But that limitation pushed Chinese companies toward technologies that the wider semiconductor industry is increasingly exploring as traditional transistor scaling becomes more difficult and expensive.

The result is a very different race — one involving chip architecture, advanced packaging, HBM, 3D integration, and supply-chain independence rather than lithography alone.

And the story is still developing.

The final part of the script points directly to Huawei and how the company is taking this strategy even further by combining folded logic with its own domestic memory ecosystem.

Watch until the end to understand why the future of advanced chips may depend on much more than who owns the world's most powerful lithography machine.

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What matters more for the next generation of chips: smaller transistors, advanced packaging, or the ability to control the entire supply chain?

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