Taiwan’s technology supply chain delivered another month of strong year-over-year revenue growth in June 2026, led by suppliers tied directly to AI server infrastructure, even as the optical module segment showed the sharpest slowdown of any sector tracked and revealed a widening gap between winners and laggards within its own ranks.

TSMC Chairman and CEO C.C. Wei used the company’s second-quarter 2026 earnings call to push back on two narratives gaining traction among analysts: that rival packaging technologies threaten TSMC’s advanced packaging business, and that the company should be extracting windfall margins from its dominant market position.

Customer tape-outs for TSMC’s N2 process have reached four times the number recorded by its 3nm technology at the same stage, showing faster design activity as the foundry ramps production of its first 2nm process.

Taiwan suppliers linked to the AI server market posted broad revenue growth in June, with rail-kit and server-chassis makers recording the fastest year-over-year gains as demand for rack-scale systems continued to lift mechanical components.

As AI chips and HPC chips continue to draw more power, major advanced packaging orders at ASE, Powertech Technology, and Amkor remain strong, lifting demand for heat spreaders. Semi-conductor materials supplier Niching incorporated heat spreader maker Ming Chun Yuan Micro Precise Technology into the group on July 1, 2026, and analysts expect the merger to lift revenue by 30% and gross margin by 10%.

As the global AI boom drives up demand for semiconductor packaging and testing, Taiwan’s OSAT players are accelerating overseas capacity expansion beyond their home market and China. ASE, SPIL, KYEC, Greatek, and Tong Hsing are all pushing ahead in 2026 to strengthen supply-chain resilience amid geopolitical risk.