Invention Application
- Patent Title: MEMS Device Mechanical Amplitude Control
- Patent Title (中): MEMS器件机械振幅控制
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Application No.: US14723676Application Date: 2015-05-28
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Publication No.: US20160349056A1Publication Date: 2016-12-01
- Inventor: Matthew J. Thompson , Ilya Gurin
- Applicant: InvenSense, Inc.
- Main IPC: G01C19/5762
- IPC: G01C19/5762

Abstract:
A system and/or method for utilizing mechanical motion limiters to control proof mass amplitude in MEMS devices (e.g., MEMS devices having resonant MEMS structures, for example various implementations of gyroscopes, magnetometers, accelerometers, etc.). As a non-limiting example, amplitude control for a MEMS gyroscope proof mass may be accomplished during normal (e.g., steady state) gyroscope operation utilizing impact stops (e.g., bump stops) of various designs. As another non-limiting example, amplitude control for a MEMS gyroscope proof mass may be accomplished utilizing non-impact limiters (e.g., springs) of various designs, for example springs exhibiting non-linear stiffness characteristics through at least a portion of their normal range of operation.
Public/Granted literature
- US09903718B2 MEMS device mechanical amplitude control Public/Granted day:2018-02-27
Information query
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