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Pressure Sensors

ST's ultra-small silicon pressure sensors use innovative MEMS technology to provide extremely high resolution measurements of pressure, and therefore also of altitude, in ultra-compact and thin packages. The devices are designed using ST’s VENSENS technology; this allows the pressure sensor to be fabricated on a monolithic silicon chip, so eliminating wafer-to-wafer bonding and maximizing reliability. The membrane is very small compared to traditional silicon micro-machined membranes and is protected from breakage by built-in mechanical stoppers.

Noise has a considerable effect on system accuracy when determining altitude. ST has reduced the noise of the sensor to a minimum. This enables to detect differences within centimeters of altitude variations.

ST’s pressure sensors are designed to enhance GPS for indoor and outdoor navigation, to measure precise altitude, or as a barometer in smartphones, tablets, sports watches, weather stations, and automotive and industrial applications.

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