Title:
Vibratory Tuning Fork Based Six-degrees Of Freedom Inertial Measurement Mems Device

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Abstract
A high-Q, mode-matched, vibratory tuning fork based MEMS device, capable of sensing rotational and translational motion around three axes, and processes of fabrication are disclosed herein. In one embodiment, a MEMS device has first and second proof masses actuated along a first axis, and a third and fourth proof masses actuated along a second orthogonal axis. Each of the proof masses includes an inner mass mechanically coupled to an outer frame. A plurality of electrodes sense rotational or translational motion along the three orthogonal axes.
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4/14/2015
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