Semefab is a Silicon wafer foundry operation manufacturing microelectronics and Micro Electro-Mechanical Systems (MEMS) in Glenrothes, Scotland. Semefab operates a volume foundry business model and technology commercialisation business model and can therefore support its customers throughout the full technology cycle and their volume needs. In addition to its fabrication capability, Semefab operates its own test floor supporting wafer test and package test. Semefab has an extensive process portfolio of MEMS; MOS; Bipolar; Opto-CMOS; ASIC and Discrete technologies, Semefab supplies Silicon wafers, die and packaged devices to the market. As a global foundry, Semefab exports >74% of its fabricated product and ships more than 200 million die per year.