Huawei chip chief says post-Moore race is no longer just about nanometers

Huawei’s τ-law pivot signals a strategic shift from node scaling to system-level signal latency reduction, triggering a cascade across EDA, advanced packaging, and interconnect materials. Upstream vendors overcommitted to EUV may face capital misallocation, while chiplet and silicon photonics will accelerate commercialization. Amid tightening U.S. tech controls, this approach partially circumvents foundry restrictions—but risks new export curbs on packaging IP. TSMC and other Taiwan, China fabs will likely fortify 3D stacking patents to preserve differentiation, while Intel and Samsung expedite UCIe ecosystem integration to contain Huawei’s standard-setting ambition. Within 18 months, a battle for 'performance definition authority' will erupt: whoever sets latency benchmarks dominates the post-Moore narrative. Without breakthroughs in high-bandwidth interposers and LTCC substrates, China’s supply chain may leave τ-law stranded in theory.