A piezoresistive GaAs pressure sensor with GaAs/AlGaAs membrane technology

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Published under licence by IOP Publishing Ltd
, , Citation A Dehe et al 1995 J. Micromech. Microeng. 5 139 DOI 10.1088/0960-1317/5/2/021

0960-1317/5/2/139

Abstract

This paper reports on the technology and performance of piezoresistive pressure sensors that utilize GaAs/AlGaAs membranes for pressure transduction into stress to induce resistance changes of p doped GaAs resistors. We have tested the sensor to differential pressure up to 8*104 Pa and in a temperature range of room temperature up to 433 K.

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10.1088/0960-1317/5/2/021