Withrow & Terranova, P.L.L.C.
MEMS vibrating structure using a single-crystal piezoelectric thin film layer
The present invention relates to a micro-electro-mechanical systems (MEMS) vibrating structure having dominant lateral vibrations supported by a MEMS anchor system, and includes a single-crystal piezoelectric thin-film layer that has been grown with a specific crystal orientation. Since the MEMS vibrating structure has dominant lateral vibrations, its resonant frequency may be controlled by its size and shape, rather than layer thickness, which provides high accuracy and enables multiple resonators having different resonant frequencies on a single substrate.
RF Micro Devices, Inc.
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Sheng-Shian Seungbae Kushal
Li Lee Bhattacharjee