TSMC's 1.4nm process timeline accelerates, with mass production happening sooner than expected

For its next-generation 1.4nm process, TSMC is currently constructing a new 1.4nm advanced process plant as part of the company's expansion. According to a new report via Taiwan's Commercial Times, construction of this new plant is currently ahead of schedule, with the first manufacturing phase of the expansion set to be completed by April 2027.

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Of course, this doesn't mean that production for TSMC's 1.4nm process or A14 node will commence right away, but if the April 2027 timeline holds, the first trial production run could kick off as early as Q3 2027. Again, assuming there aren't any unforeseen delays or hiccups, this would then lead to mass production beginning by mid-2028.

Located in the Taichung Phase II Park of the Central Taiwan Science Park (CTSP), the location's Administration Director Hsu Mao-hsin has confirmed that the faster-than-expected progress included the use of AI for image recognition and the development of safety systems, with VR simulations also leveraged for safety training for the cutting-edge facility.

Construction for the dedicated A14 facility began in November 2025, with an estimated investment of $49 billion. The technology is said to leverage second-generation Gate-All-Around Field-Effect Transistors (GAAFETs) with TSMC's NanoFlex Pro architecture. Interestingly, it will not make use of the newer High-NA EUV lithography, but instead stick with TSMC's current EUV technology.

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Question #1

What is the expected timeline for TSMC's 1.4nm (A14) trial production and mass production according to the article?

If the April 2027 construction milestone holds, the first trial production run for TSMC's 1.4nm (A14) process could start as early as Q3 2027. Assuming no unforeseen delays, this would lead to mass production beginning by mid-2028.

Answered

Question #2

What construction and safety technologies helped accelerate the 1.4nm plant schedule?

The faster-than-expected progress used AI for image recognition and the development of safety systems, and VR simulations were leveraged for safety training at the new 1.4nm facility. These construction and safety technologies helped accelerate the plant schedule.

Answered

Question #3

What transistor architecture and process branding does TSMC plan to use for A14/1.4nm?

TSMC plans to use second-generation Gate-All-Around Field-Effect Transistors (GAAFETs) for the A14/1.4nm node. The process is branded as TSMC's NanoFlex Pro architecture.

Answered

Question #4

Will TSMC's 1.4nm A14 node use High-NA EUV lithography or the existing EUV tools?

TSMC's 1.4nm A14 node will not use High-NA EUV lithography; it will stick with TSMC's current EUV technology. This is stated in the primary article.

Answered

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As for TSMC's next-generation A14 process node, compared to the current flagship N2 3nm process, it's expected to deliver a 20% increase in logic density, 15% higher speeds at the same power level, and up to 30% more power efficiency when using the same frequency.