IQE PLC is engaged in the manufacture of advanced semiconductor materials. The company is a supplier of advanced semiconductor wafer products in three market segments: wireless, optoelectronics, and electronics. The products that rely on IQE’s products include all forms of wireless and satellite communication systems, comprising mobile phone handsets and base stations, personal digital assistants (PDAs), global positioning systems and a range of wireless components for wireless fidilety (Wifi), WiMAX, laptops, and voice and data networks. IQE produces advanced materials for a range of Optoelectronic applications, which include lighting, displays, compact disk (CD), digital versatile disk (DVD), high definition (HD) DVD and data storage, as well as office, industrial and automotive products and solar cells. The company also manufactures high-end substrate materials, which are primarily used for advanced optoelectronic applications, such as infra red detectors and thermal imaging device