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Electron/hole transport-based NEMS gyro and devices using the same

United States Patent

June 30, 2009
View the Complete Patent at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
A nanomechanical (NEMS) gyroscope includes an integrated circuit substrate, a pair of spaced apart contact pads disposed on the substrate, and a movable nanoscale element forming at least a portion of a first electrically conductive path electrically coupling the contact pads. The movable element experiences movement comprising rotation, changes in rotation, or oscillation upon the gyroscope experiencing angular velocity or angular acceleration. Movement of the gyro introduces geometrically induced phase changes which results in phase and/or frequency changes in ac current flowing through the movable element. An inertial measurement unit (IMU) can include an integrated circuit substrate having a three axis gyroscope formed on the substrate and a three axis accelerometer, which is preferably formed on the same substrate.
Datskos; Panos (Knoxville, TN)
UT-Battelle, LLC (Oak Ridge, TN)
11/ 736,409
April 17, 2007
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT The United States Government has rights in this invention pursuant to Contract No. DE-AC05-00OR22725 between the United States Department of Energy and UT-Battelle, LLC.