YC Corporation develops, manufactures, and sells semiconductor automatic test equipment and memory inspection systems in South Korea and internationally. The company provides a comprehensive portfolio of memory wafer test systems and solutions, including dynamic random-access memory (DRAM) wafer testers; NAND flash memory wafer test systems; high-bandwidth memory (HBM) wafer inspection equipment; high-density multi-DUT test platforms, including the MT6133, MT6122, MT6135S, and MT8311 series; test head modules and probe station interfaces; and memory defect analysis and laser repair support systems. It also offers equipment maintenance, calibration, parts replacement, refurbishment, software upgrades, and technical consulting services. The company primarily serves semiconductor integrated device manufacturers and memory device producers. In recent developments, the company changed its corporate name from Y.I.K. Co., Ltd. to YC Corporation in 2024 to reflect its strategic global expansion, while accelerating its commercialization of advanced HBM inspection solutions and securing large-scale supply agreements for next-generation HBM3E and HBM4 wafer testing systems with key industry partners, including Samsung Electronics. Founded in 1991, YC Corporation operates as a subsidiary of SEMTEK Corporation and is headquartered in Seongnam-si, South Korea.