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Tiny, Flexible Sensors Gauge Pressure, University of California, Davis (UCD) Study



3/29/2012 7:29:02 AM

A new kind of flexible, transparent pressure sensor, for use in medical applications, relies on just a drop of liquid. The droplet goes in a flexible sandwich of the substance polydimethylsiloxane, or PDMS. The sensor acts as a variable electrical capacitor. When the sensor is pressed down, the sensing droplet is squeezed over conductive electrodes, increasing its capacitance.

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