PCB material shortages persist as capacity expansion extends beyond 2029

Rapid advances in AI and high-performance computing (HPC) are driving printed circuit boards (PCBs) toward higher layer counts, greater density, and higher-performance materials, triggering an open-ended shortage of upstream materials and equipment. Key suppliers of copper-clad laminates (CCL), copper foil and drill bits are launching capacity expansion plans covering the next 3-4 years.