Huawei announced at a technology conference in Shanghai that it has achieved a significant breakthrough in chip design, which the company claims will enable it to produce cutting-edge chips within five years, despite ongoing U.S. technology sanctions that have restricted its access to global semiconductor supply chains since 2019 [1]. The company stated that by 2031, its high-end chips will reach transistor densities equivalent to 1.4-nanometer processes, matching the industry's most advanced standards. Currently, China's chipmaking capability is believed to be at 7 nanometers, while Taiwan-based TSMC, the global leader in advanced chips, uses 2-nm technology and plans to begin mass production of 1.4-nm chips in 2028 [1].
He Tingbo, president of Huawei's semiconductor business, introduced a new 'LogicFolding' design for future Kirin chips, which involves stacking traditional 2D circuits into 3D vertical structures. This approach aims to achieve performance gains without relying on extreme ultraviolet lithography machines, which are inaccessible to China due to U.S. restrictions [1]. Huawei also presented the 'Tau Scaling Law,' a new principle focused on reducing data transmission time within chips by folding and stacking them, diverging from the traditional Moore's Law that emphasizes shrinking transistor sizes [1].
Despite the announcement, Huawei did not provide independent performance data to substantiate its claims. He Tingbo acknowledged that the new methodology faces significant challenges, including insufficient traditional tools for full-scale free logic design and critical issues with thermal management due to vertical stacking. She also cited cost, power, heat, and system integration as ongoing obstacles for Chinese chipmakers [1].
The Chinese government has invested billions into developing a domestic semiconductor supply chain in response to U.S. sanctions, as the U.S. and China compete for leadership in artificial intelligence and advanced technology [1].
CONCLUSION
Huawei's announcement signals a bold step in China's efforts to overcome U.S. technology sanctions and advance its semiconductor industry. While the company projects significant progress by 2031, substantial technical and practical challenges remain, and independent verification of its claims is not yet available.