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SMIC 7nm process to be introduced in Q4 with 20% performance improvement

Phate ZhangFebruary 27, 2020

The 7nm process of Semiconductor Manufacturing International Corporation (SMIC),  China's most advanced and largest foundry, will begin small-scale production in the fourth quarter, according to kkj.cn.

Compared with 14nm, SMIC's N+1 process improves performance by 20%, reduces power consumption by 57%, reduces logic area by 63%, and reduces SoC area by 55%, the report cited Dr. Liang Mengsong, co-CEO of SMIC, as saying.

SMIC 7nm process to be introduced in Q4 with 20% performance improvement-CnTechPost

TSMC and Samsung will mass produce 5nm processes this year, and China's advanced processes are still catching up.

The largest wafer foundry, SMIC, mass-produced a 14nm process at the end of last year, which brought 1% of revenue and revenue of $7.69 million, but this process technology can already meet 95% of domestic demand.

The 14nm and improved 12nm processes are SMIC's first-generation FinFET processes. They are also developing more advanced N+1 including N+2 FinFET processes, which are equivalent to low-power, high-performance versions of the 7nm process.

After N+1, there will also be N+2. These two processes perform similarly in terms of power consumption. The difference lies in performance and cost. N+2 is obviously oriented towards high performance and the cost will increase.

As for the EUV lithography machine that has attracted much attention, Liang Mengsong said that under the current environment, N+1 and N+2 generation processes will not use the EUV process. After the equipment is ready, the N+2 process may have several photomasks. With EUV, the subsequent process will switch to EUV lithography on a large scale.

Now the most important thing is when SMIC will be mass-produced at 7nm. The latest news says that SMIC's N+1 FinFET process has been introduced by customers (but no customer list has been announced). Small-scale production will begin in the fourth quarter of this year, earlier than previously reported.

In order to accelerate advanced process capacity, SMIC's capital expenditure will reach US $ 3.1 billion this year (the company's annual revenue is only around US $3 billion), of which US $2 billion will be used for SMIC's 12-inch wafer fab in Shanghai and US $500 million At a 12-inch wafer fab in Beijing.

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