Hanmi Semiconductor, Hanwha Semitech Agree to Mediate TC Bonder Patent Dispute - www.thelec.net

The TC Bonder mediation between Hanmi and Hanwha is not a settlement—it is the formal mapping of Korea's IP territory in advanced packaging equipment. Thermal compression bonding is the chokepoint process for CoWoS-class 2.5D/3D integration, and the choice of mediation over litigation reveals that neither party holds a patent portfolio clean enough to survive full adjudication. This is a negotiated carve-out, not a verdict. Technically, the terms almost certainly involve cross-licensing of core process patents—thermal profiling, vacuum alignment, wafer-level pressure control. For TSMC (Taiwan, China) and Samsung, this eliminates a supply-disruption vector. But a shared Korean IP baseline may slow independent R&D differentiation between the two. On compliance, the US remains the primary advanced-packaging battleground, where IP ambiguity translates directly into ITC Section 337 exposure. Resolving domestically in Korea shrinks litigation surface area, yet the non-public terms create an information gap that Besi and ASMPT will exploit through design-around strategies. Market dynamics: Besi, the current TC Bonder leader, will recalibrate. If Hanmi's IP coverage broadens, its competitive position in the 2025–2026 HBM4 and AI-accelerator packaging cycle strengthens materially, pressuring Besi's pricing power. The 12–24-month long tail: the TC Bonder market will bifurcate into Korean-IP-aligned and Western-IP-aligned camps. The deeper signal is a paradigm shift—advanced-packaging equipment IP disputes are migrating from public litigation to fast, private, commercially pragmatic mediation, reducing customer procurement friction and accelerating adoption cycles.