LEVER BASED DIFFERENTIAL CAPACITIVE STRAIN GAUGE WITH ACCELERATION REJECTION
Abstract:
Microelectromechanical systems (MEMS) capacitive strain gauge sensors are described. The strain gauge sensors include a lever configured to mechanically amplify a strain response. In some embodiments, an anchored beam is coupled to the effort arm of the lever and a movable sensing finger to the resistance arm. The effort arm may be shorter than the resistance arm, thus providing a mechanical amplification.
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