Importance

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Abstract

Disclosed herein are vibratory gyroscopes comprising hollow shell resonators and methods of fabricating thereof. Specifically, a vibratory gyroscope comprises a support substrate comprising a substrate primary surface and a resonator support surface, substantially perpendicular to the substrate primary surface. The gyroscope also comprises a hollow shell resonator comprising a resonator inner surface and a resonator outer surface such that the resonator inner surface defines a recessed region with a recessed region opening facing the substrate primary surface. At least one of the inner or outer resonator surfaces is attached to the resonator support surface of the support substrate adjacent to the inner edge surface of the resonator. The inner edge surface can be formed by a hollow stem with or without opening through this surface. Furthermore, the resonator support surface can be a continuous cylindrical surface or a segmented surface.

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First Claim