Anvil Semiconductor works with the Manufacturing Technology Centre to develop a low cost silicon carbide hybrid power module using 3C-SiC devices

Anvil Semiconductors, the developers of 3C-SiC devices, and the Manufacturing Technology Centre (MTC), assisted by a grant from Innovate UK, are developing a low cost hydrid module to take advantage of the benefits of 3C-SiC in a close coupled low inductance module that enables high efficiency power conversion .

Driven by competition, demand and legislation, designers of products are striving for increased efficiency, smaller size and weight and lower cost, but they are squeezed between the efficiency constraints of silicon and the high costs of today’s 4H-SiC devices.

Anvil’s unique SiC technology enables the development of devices with the efficiency and size benefits of SiC but at the cost of silicon.  However the benefits that can be delivered by using SiC devices are limited by the switching speeds that are often restricted by the inductances introduced by non-close coupling of discrete devices and ancillaries.

Anvil and MTC are using 3C-SiC devices and the most recent low cost packaging techniques  to develop a low cost hybrid module to allow close coupling of devices and ancillaries, reduce inductances and achieve switching speeds of 100KHz. The use of 3C-SiC provides reduced resistive losses and low sensitivity of device characteristics to temperature, so enabling close coupling of components.  This delivers significantly increased efficiencies and reduced size and weight by removing the need for some ancillary components and heat sinks.  Market  opportunities for such a module exist across a wide range of applications including  LED lighting, PV converters, general power supplies, electric car charging and EV/HEV.

About Anvil Semiconductors

Anvil Semiconductors, which is backed by Business Angels and early stage VCs, is developing silicon carbide (SiC) power devices for the power electronics industry. Power electronics and switches are used to switch and control power conversion for applications as diverse as laptop computers or other consumer products to railway electric traction and the grid. Due to its fundamental material properties the use of SiC devices in power electronic applications opens up faster switching speeds and higher power conversion efficiencies. Anvil’s unique approach delivers that performance at affordable prices. It enables the growth of device quality 3C-SiC epitaxy on 100mm diameter silicon wafers to thicknesses that permit the fabrication of vertical power devices. The proprietary process overcomes mismatches in lattice parameter and thermal coefficient of expansion and can be readily migrated onto 150mm wafers and potentially beyond.

The Anvil material has applications ranging from power devices and LEDs to medical devices and MEMS. It can be used to fabricate high performance SiC devices with significant reductions in manufacturing costs, or as a means to enable the growth of other compound semiconductor structures onto silicon

The Company has offices in Coventry and Cambridge and has a small experienced team and an extensive network of Industrial and Academic partners

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About MTC

The MTC (Manufacturing Technology Centre) has been established to prove innovative manufacturing processes and technologies in an agile environment in partnership with industry, academia and other institutions.  The MTC houses some of the most advanced manufacturing equipment in the world, creating a high quality environment for the development and demonstration of new technologies on an industrial scale. This provides a unique opportunity for manufacturers to develop new and innovative processes and technologies.

The areas of MTC’s expertise are appropriate to both large and small companies and are applicable across varied industry sectors. The MTC’s members include global manufacturing companies from multiple sectors. Research partners include the University of Birmingham, University of Nottingham, Loughborough University and TWI Ltd.

The MTC is part of the High Value Manufacturing Catapult which is supported by Innovate UK.