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23 April, 2019 - 11:49 By Tony Quested

Sorex Sensors


Sorex Sensors is a spin-out from the University of Cambridge’s Department of Electrical Engineering and has developed a dual-mode film bulk acoustic resonator sensor technology. It is said to have immense potential in areas such as the Internet of Things.

The devices, fabricated on a silicon wafer, comprise a thin film of piezoelectric material that is made to resonate. Attachment of mass to the surface changes the resonant frequency and provides an extremely accurate measurement of the amount of mass on the sensing area.

The company raised £1.2 million seed funding from Cambridge Enterprise, the Cambridge Angels and Cambridge Capital Group in 2018.

The company has licensed patents from Cambridge Enterprise and the University of Warwick and will have ongoing collaborations with the University of Cambridge, the University of Warwick and the Universidad Politécnica de Madrid. Its core IP has been granted in the US and EU.

Sorex Sensors was founded by Professor Andrew Flewitt, Dr Mario de Miguel-Ramos and Professor Bill Milne from Cambridge with co-founders Dr Marina Cole and Professor Julian Gardner from the University of Warwick and Professor Enrique Iborra from the Universidad Politécnica de Madrid.

The company is based at the University of Cambridge’s Maxwell Centre.

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