Patent ID: 7814794
Filing Date: 2010-10-19
Classification: G01P

Abstract:
1. A micromachined sensor, comprising: a substrate; a proof mass movable with respect to the substrate, the proof mass having a first portion, a second portion separated from the first portion and a third portion connecting the first portion to the second portion; a frame positioned on the substrate and enclosing the proof mass; a plurality of springs connecting the proof mass to the frame; a plurality of first electrodes extending from the frame; a plurality of second electrodes extending from the frame; a plurality of third electrodes extending from the first portion of the proof mass and interleaved with the first electrodes; a plurality of fourth electrodes extending from the second portion of the proof mass and interleaved with the second electrodes; a first support beam extending from the frame to the area between the first and second portions of the proof mass; a plurality of seventh electrodes extending from the first support beam; a plurality of eighth electrodes extending from the first support beam; a plurality of fifth electrodes extending from the first portion of the proof mass and interleaved with the seventh electrodes; and a plurality of sixth electrodes extending from the second portion of the proof mass and interleaved with the eighth electrodes.