China making more advanced chips — but Beijing still faces challenges

on Feb12
by | Comments Off on China making more advanced chips — but Beijing still faces challenges |

A Chinese flag next to a printed circuit board with semiconductor chips.

Florence Lo | Reuters

China’s biggest chipmaker SMIC seems to have been manufacturing advanced chips in the last few months — defying U.S. sanctions designed to slow down Beijing’s progress.

But there are still some major challenges to China’s bid to become more self-sufficient in the semiconductor industry, with questions swirling around the long-term viability of its latest advancements.

What’s the latest?

SMIC is China’s biggest contract semiconductor manufacturer. The nanometer figure refers to the size of each individual transistor on a chip. The smaller the transistor, the more of them can be packed onto a single semiconductor. Typically, a reduction in nanometer size can yield more powerful and efficient chips.

The 7 nanometer process is seen as highly advanced in the world of semiconductors, even though it isn’t the latest technology.

It was a big deal at the time. But last week, the Financial Times reported that SMIC is setting up new production lines to make 5 nanometer chips for Huawei. That would signal even further advancement for China’s biggest chipmaker.

The chips in Apple’s latest high-end iPhones are made on a 3 nanometer process.

Why is this a big deal?

How is SMIC doing this?

Chip industry sits between a need for globalization and a need to protect national security: Expert

The FT reported something similar last week. The newspaper, citing two people with knowledge of the plans, reported that SMIC is aiming to use its existing stock of U.S.- and Dutch-made semiconductor equipment to produce 5 nanometer chips, an advancement on the 7 nanometer.

“SMIC is working very closely now with both domestic tool makers, leveraging its existing base of advanced lithography gear, and drawing on other outside expertise, such as from Huawei, to constantly improve yields on advanced node processes,” Paul Triolo, an associate partner at consulting firm Albright Stonebridge, told CNBC via email.

“So for now it is possible for SMIC to continue to improve capabilities and yields at 7 and soon 5 nm, for a small number of customers, mostly Huawei.”

China’s challenges

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