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Wire · technology

TSMC's 5.5x CoWoS Hits 98%+ Yield, Shifting Constraints to Memory and ABF

12 August 2026 · By · Wire by Fusion42

Published

12 August 2026

Topic

technology

◆ Sectors

Semiconductors

◆ Geography

Taiwan

◆ Source

Read at xenospectrum.com →

◆ Verified

Fusion42 · 12 August 2026 · Fusion42 review

TSMC's 5.5x CoWoS packaging technology has achieved yields above 98%, shifting supply constraints to memory components like HBM and ABF substrates, which remain supply bottlenecks despite improved packaging yields.

This Wire brief sits within Fusion42's coverage of Semiconductors, and 3 sources have reported it between 12 Aug 2026 and 13 Aug 2026.

◆ ◆ The Wire takeaway

You face new supply bottlenecks beyond TSMC's chip packaging as memory chips and substrates like ABF are the limiting factors for AI chip volume growth. Secure or diversify supply for memory and packaging substrates immediately to avoid stalling production.

◆ Coverage

3 sources · first reported 12 Aug 2026 · latest 13 Aug 2026

◆ Related on Wire

◆ Topics

Semiconductorstsmccowossemiconductor-packagingyield-improvementmemory-shortageabf-substrate