AI boom turns chip packaging into the next battleground for semiconductors - KSLM Radio

When AI compute demand has shattered the diminishing returns of Moore's Law, the semiconductor battleground has shifted decisively from lithography to advanced packaging. This is a structural power transfer, not an incremental evolution. Technically, 2.5D/3D schemes—CoWoS, SoIC, EMIB—are redefining performance ceilings. HBM stacking's dependence on TSV and hybrid bonding means packaging yield now directly gates GPU delivery. NVIDIA's B200 and AMD's MI300 chiplet architectures turn a single "chip" into a dozen-plus die ensemble, elevating packaging from back-end process to system-level design. ASM and BESI bonding equipment orders are booked through 2026. On compliance, CoWoS capacity is heavily concentrated in Taiwan, China (TSMC), creating a single-point systemic risk under escalating export controls. Following the 2023 EUV restriction playbook, potential US controls on packaging equipment will force Intel to accelerate EMIB domestication, while ASE and Amkor's expansion pace directly constrains global AI chip supply. Strategically, TSMC wields pricing power through CoWoS monopoly; Intel counters with EMIB+Foveros; Samsung differentiates via integrated HBM+packaging. UCIe standardization will break single-vendor lock-in within 18 months. Outlook: Within 12–24 months, packaging capacity—not wafer capacity—becomes the scarcest resource in the AI supply chain. OSAT pricing power will approach IDM levels. Whoever controls advanced packaging controls the final valve on AI compute.