Taiwan Semiconductor Manufacturing Co., Ltd. (TSMC) is a Taiwan-based company principally engaged in the manufacturing, selling, packaging, testing and computer-aided design of integrated circuits (ICs) and other semiconductor devices and the manufacturing of masks. The Company also offers a range of wafer fabrication processes, including processes to manufacture CMOS (complementary metal oxide silicon) logic, mixed-signal, radio frequency (RF), embedded memory, BiCMOS (bipolar complementary metal oxide silicon) mixed-signal and other semiconductors. It also offers design, mask making, bumping, probing, and assembly and testing services. TSMC operates one 150-millimeter wafer fab, six 200-millimeter wafer fabs and three 300-millimeter wafer fabs. The Company manufactures different types of semiconductors with different specific functions. The Company's semiconductor types include logic semiconductors, mixed-signal/RF semiconductors and CMOS image sensor semiconductors.