TSMC Plans 1.4nm Chip Fabs and Advanced Packaging Hub in Taiwan

Key Facts

In a move reflecting the strategic push by tech giants to secure AI supply chains, TSMC is reportedly reviving expansion plans for the Longtan Phase 3 site in Taiwan. According to reports, the company plans to construct up to three fabrication plants for next-generation 1.4nm chips alongside two advanced packaging facilities. This initiative aims to anchor TSMC's most sophisticated semiconductor technology domestically while addressing the global capacity crunch for AI accelerator packaging.

The expansion comes as advanced packaging technologies face massive demand that currently exceeds global supply, making the new CoWoS facilities a critical pillar for high-performance computing infrastructure. Based on available data, TSMC's focus on the 1.4nm process represents the future of logic production beyond current nodes. Analysts note that while the project addresses critical bottlenecks, it remains subject to challenges regarding land acquisition and environmental hurdles.

Regarding market performance, TSM stock stood at $420.04 (at close August 07, 2026), having traded between a day high of $424.79 and a low of $413.1. Looking ahead, investors are monitoring upcoming Manufacturing PMI data from major economies, including the US and China, to gauge the broader industrial demand for technology components and semiconductors.