Story perspectives

Huawei Seeks Patent for Advanced Chip Manufacturing Technique

12/4/2025

Summary

Story summary

Huawei Technologies is pursuing a patent for a metal integration technique.
The technique could enable 2-nanometre chip manufacturing using deep ultraviolet lithography.
The approach aims to circumvent US sanctions on EUV lithography tools.
The patent, submitted in June 2022 and revealed in January 2025, remains unimplemented.
A Chinese chip industry expert suggested that 14-nm logic chips might compete with Nvidia’s 4-nm chips through memory integration and architecture.

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Story summary

Huawei Technologies is pursuing a patent for a metal integration technique.
The technique could enable 2-nanometre chip manufacturing using deep ultraviolet lithography.
The approach aims to circumvent US sanctions on EUV lithography tools.
The patent, submitted in June 2022 and revealed in January 2025, remains unimplemented.
A Chinese chip industry expert suggested that 14-nm logic chips might compete with Nvidia’s 4-nm chips through memory integration and architecture.