HBM Packaging Patent Fight Puts Focus on TC Bonder Supply

Hanmi Semiconductor and Hanwha Semitech have faced off in a Seoul court over patents tied to thermocompression bonders. These machines are used in the vertical stacking process for high-bandwidth memory, making them directly relevant to advanced DRAM packaging capacity. For the memory market, the dispute matters because HBM output depends not only on DRAM wafer supply but also on specialized back-end equipment. Any prolonged legal conflict around TC bonder technology could complicate procurement decisions or slow capacity expansion plans if customers become more cautious. The available source excerpt does not indicate an immediate production halt or shipment impact. For now, the item is best read as a signal that competition around HBM4-era equipment is intensifying as memory suppliers and their tool partners race to support AI demand.