The iPhone 18 is already driving major shifts deep in the semiconductor supply chain, as Samsung Electronics expands production of image sensors, prompting one of its key testing partners to invest over $120 million in new equipment, The Elec reports.

Doosan Tesna, a South Korean post-process semiconductor testing company, this week announced that it will spend $123 million on test systems from Japan’s Advantest, Samsung subsidiary Semes, and Japan Interaction. The investment is equal to 21.77% of the…








