In-Plane MEMS Shallow Arch Beam for Mechanical Memory.
In-Plane MEMS Shallow Arch Beam for Mechanical Memory.
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DOI:
10.3390/mi7100191
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发表时间:
2016-10-18
期刊:
影响因子:
3.4
通讯作者:
Younis MI
中科院分区:
文献类型:
--
作者:
Hafiz MAA;Kosuru L;Ramini A;Chappanda KN;Younis MI
We demonstrate a memory device based on the nonlinear dynamics of an in-plane microelectromechanical systems (MEMS) clamped–clamped beam resonator, which is deliberately fabricated as a shallow arch. The arch beam is made of silicon, and is electrostatically actuated. The concept relies on the inherent quadratic nonlinearity originating from the arch curvature, which results in a softening behavior that creates hysteresis and co-existing states of motion. Since it is independent of the electrostatic force, this nonlinearity gives more flexibility in the operating conditions and allows for lower actuation voltages. Experimental results are generated through electrical characterization setup. Results are shown demonstrating the switching between the two vibrational states with the change of the direct current (DC) bias voltage, thereby proving the memory concept.
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