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Capacitive Pressure Sensor With Very Large Dynamic Range
Journal article   Peer reviewed

Capacitive Pressure Sensor With Very Large Dynamic Range

Ezzat G. Bakhoum and Marvin H. M. Cheng
IEEE transactions on components and packaging technologies, Vol.33(1), pp.79-83
03/01/2010
Web of Science ID: WOS:000275560000010

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Abstract

A new capacitive pressure sensor with very large dynamic range is introduced. The sensor is based on a new technique for substantially changing the surface area of the electrodes, rather than the inter-electrode spacing as commonly done at the present. The prototype device has demonstrated a change in capacitance of approximately 2500 pF over a pressure range of 10 kPa.

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