- Business
- ChipMOS TECHNOLOGIES INC. (TWSE: 8150) provides outsourced semiconductor assembly and test services, specializing in back-end processing for liquid crystal display drivers, high-density memory, and mixed-signal semiconductors. The company offers comprehensive testing services including wafer probing, final test, and system-level test; assembly services encompassing leadframe-based and organic substrate-based packaging such as flip chip, wirebonding, wafer-level chip scale packaging, chip-on-film, and chip-on-glass; bumping services featuring gold bumping for display driver interconnects; and turnkey solutions from package design to drop-shipment. Its products serve diverse end markets including consumer electronics, personal computers, communications equipment, office automation, drones, virtual reality, and assisted reality, with operations centered in Taiwan's Hsinchu Science Park for testing, Southern Taiwan Science Park for packaging, and Chupei, Hsinchu for bumping. Founded in 1997 and headquartered in Hsinchu City, Taiwan, ChipMOS maintains state-of-the-art facilities and collaborates closely with fabless companies, integrated device manufacturers, and foundries worldwide. Recent developments include a NT$525 million share repurchase program announced in September 2025 with tranche updates through October 2025; divestiture by its subsidiary ChipMOS BVI of a 45% stake in Unimos Microelectronics (Shanghai) Co., Ltd. in December 2023 for RMB 979.3 million; and revenue growth in second-quarter 2025 to NT$5.74 billion driven by rising memory demand and market price increases, alongside monitoring of U.S. tariff impacts.