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  Created by: Matti

Design case 1: Coupled Domain Simulations of MEMS

Electrostatic and structural components of the Microswitch:
Electrostatic and structural components of the Microswitch

The Microswitch is designed to open and close an electrical contact according to an external
voltage signal. Beside to the initial position where the cantilever lies horizontally to the wafer
surface, its tip can either be pulled down to the contact paddle or is pushed out of the wafer
plane. In closed position the signal is routed from the flexible metal band across the cantilever
to the contact. The torsion spring is made of silicone nitride for electrical insulation.

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