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This University of Manchester research underpins UK industry's global position in millimetre- wave imaging and ultra-high-precision sensing. These are key technologies in a range of industrial, medical and consumer electronics applications. The devices and methods developed by the research team are now used by a range of companies leading to economic impacts for the UK in strong export markets. In this case study we provide examples of impacts that support commercial sales in excess of £300m by UK SME and FTSE-listed companies in three sectors: automotive radar (e2v), terahertz imaging (TeraView), and linear encoders (Renishaw PLC).
The development by Cambridge University staff of compact semiconductor sources and detectors of Terahertz radiation has opened up this part of the electromagnetic spectrum to commercial use for the first time, enabling many applications. In medicine these applications include the analysis of drugs and the detection and imaging of cancer; in security applications the detection and imaging of explosives; and in the semiconductor industry the detection and imaging of buried defects in semiconductor wafers. High power Terahertz lasers are used in gas sensors, for imaging and as local oscillators. This technology has been exploited by a spin-off company TeraView which has 25 employees, has raised £16M in funding, £3.5M since 2008, and has sold 70 imaging systems, half since 2008 at an average cost of $300K each.
Research on the growth of gallium nitride (GaN) light-emitting diode (LED) structures has led to the creation of two spin-out businesses (subsequently sold), has assisted Forge Europa Ltd in expanding its sales of LED-lighting products, has helped AIXTRON to achieve sales of related GaN-growth equipment [text removed for publication], & has enabled Plessey Semiconductors Ltd to manufacture the world's first commercially available LEDs on 6-inch Si (& the first LEDs to be manufactured in the UK).
Our research on semiconductor materials and devices has led to the establishment by e2v Technologies of a combined manufacturing, research and development facility within the School of Physics and Astronomy. We have adapted and transferred device simulation software to e2v, and have provided epitaxially-grown semiconductors and access to fabrication facilities which have been used in their manufacturing processes. Devices fabricated within the facility, which was opened in 2011, have generated sales of £7M for e2v. This initiative has also led to shifts in the investment priorities of e2v, and mitigated risks to the company arising from import restrictions associated with the US International Traffic in Arms Regulations (ITAR).
Research carried out at Warwick into the growth of silicon-based layered semiconductors has had a variety of impacts in the fields of microelectronics and solar energy generation. In 2004, a spin- out company AdvanceSis was created to exploit the patent portfolio of Warwick's NanoSilicon Group, with an initial £300 k of Regional Development Fund support. The company, having focused on the business of solar energy generation through concentrator photovoltaic (CPV) technology and renamed Circadian Solar, was valued at £3.5 million by the end of 2011. Further impact of the Warwick silicon research, in the period since 2008, has come in the form of joint R&D programmes with companies in the electronics and ICT sectors, including supplying advanced semiconductor materials and by providing highly skilled employees trained in the research group.
Research on high-voltage power devices by the University of Cambridge Department of Engineering (DoEng) was commercialised by its spin-off company, Cambridge Semiconductor Limited (CamSemi), which, in the REF period, has:
CamSemi chips are more efficient than traditional linear power supplies. The CamSemi chips that were produced before the end of the REF period are estimated to save of the order of 100GWh of electricity and 50,000 tonnes of CO2 emissions per year in total.
The commercialisation of Quantum Cascade Lasers (QCL) and the associated novel fabrication processes developed at the University of Glasgow has provided Compound Semiconductor Technologies Global Ltd (CSTG) with a new foundry product supplying quantum cascade lasers for gas sensing, safety and security, and military applications. This resulted in 40% turnover growth from 2010-2012 and the company is now recognised as a global leader in QCLs and their fabrication. Based on University of Glasgow research, the company has created a manufacturing toolbox for the production of a wide variety of QCL chip designs. CSTG has also achieved a world first, manufacturing QCLs for systems that detect explosives at a safe distance and can counter heat-seeking missile attacks on aircraft.
Research in the Microelectronics Group of the Cavendish Laboratory in the area of single-electron nanoelectronics, quantum computing and spintronics has been exploited by Hitachi, one of world's leading microelectronics companies. Research breakthroughs made in the Cavendish have defined Hitachi's R&D directions in quantum computing and spintronics, led to several Hitachi product developments and influenced senior Hitachi strategic decision makers regarding the future of computing.
Researchers within the Department of Physics and Astronomy at UCL have investigated the properties of defects in bulk HfO2 and at Si/SiOx/HfO2 interfaces. Results have been used by an industrial partner, SEMATECH (SMT), to improve the quality and reliability of high-performance microelectronic devices based on transistors. This has helped SMT to meet project objectives on behalf of member companies such as Intel and IBM, and UCL research results have been consistently highly evaluated by these companies. Recommendations made by SMT have been implemented by industrial partners in their currently manufactured devices, such as the 22nm process technology released by Intel in 2011.
The London Low Temperature Laboratory (LLTL) led by Professor Saunders in the Department of Physics, has developed novel ultra-low temperature (ULT) platforms and instrumentation alongside its programme of fundamental research.