This paper is devoted to the selection of the optimal material for the structural layer of microelectromechanical switches in order to reduce or completely eliminate the stiction of the moving parts of the structure to the fixed, as well as to minimize the values of the control voltages and switching speed without compromising reliability using the Ashby approach. The choice of the most suitable structural layer material is represented by performance indices for a number of key parameters of microelectromechanical switches. It is established that aluminum-based alloys and metals are the most preferable than other available materials for the structural layer of microelectromechanical switches.
In the report the linear acceleration sensor design with three axis of sensitivity is researched. Parameterized geometry and finite element model for modal analysis are developed in the ANSYS program. Behavioral description of the study design is developed with language VHDL-AMS to simulate the sensor operation under the influence of linear acceleration along three axis of sensitivity. On the basis of research results three-axis device sensitivity, cross-sensitivity, duration transients are specified. As part of the work the experimental sensor prototypes are fabricated.
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