Semefab manufactures microelectronics and MEMS in its wafer fabrication operation in Scotland supplying wafers, die and packaged devices to the market.

Semefab is a custom wafer fab operation consisting of the CMOS1 fab, the MEMS2 fab and a future CMOS3 fab (operational October 2010).

Semefab operates a volume foundry business model and a product commercialisation business model and can therefore support its customers throughout the full technology cycle and into volume. 

With an extensive process portfolio Semefab supports MEMS, CMOS, Opto-CMOS, ASIC and Discrete technologies. Integrated CMOS & MEMS fabrication can also be supported.

In addition to its fabrication capability, Semefab operates its own test floor supporting wafer test and package test.

As a global foundry partner Semefab exports >64% of its fabricated product.