The AI investment cycle is spreading from leading-edge wafer fabrication into semiconductor packaging and testing, with Taiwan's largest outsourced semiconductor assembly and test (OSAT) providers preparing a fresh round of capacity expansion.
Nvidia has reportedly asked Samsung Electronics and SK Hynix to increase the share of 8-high products in their HBM4 supply mix, as the chipmaker seeks greater flexibility in balancing thermal constraints, packaging yields and memory availability amid tight supply.

