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31 August 1999 Acceleration sensitivity of micromachined pressure sensors
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Proceedings Volume 3876, Micromachined Devices and Components V; (1999)
Event: Symposium on Micromachining and Microfabrication, 1999, Santa Clara, CA, United States
Pressure sensors serve a variety of automotive applications, some which may experience high levels of acceleration such as tire pressure monitoring. To design pressure sensors for high acceleration environments it is important to understand their sensitivity to acceleration especially if thick encapsulation layers are used to isolate the device from the hostile environment in which they reside. This paper describes a modeling approach to determine their sensitivity to acceleration that is very general and is applicable to different device designs and configurations. It also describes the results of device testing of a capacitive surface micromachined pressure sensor at constant acceleration levels from 500 to 2000 g's.
© (1999) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Richard August, Theresa Maudie, Todd F. Miller, and Erik Thompson "Acceleration sensitivity of micromachined pressure sensors", Proc. SPIE 3876, Micromachined Devices and Components V, (31 August 1999);


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