Patent ID: 8570705
Filing Date: 2013-10-29
Classification: B81B,H01G,H02N

Abstract:
1. A MEMS tunable capacitor comprising: a primary stationary actuator electrode on a substrate; a secondary stationary actuator electrode on the substrate; a stationary RF signal capacitor plate electrode on the substrate; a sprung cantilever disposed over the substrate, the sprung cantilever comprising: a beam anchor connecting a first end of the sprung cantilever to the substrate; and one or more elastic springs or other biasing members connecting a second end of the sprung cantilever to the substrate, the second end being located distally from the first end; wherein the sprung cantilever is movable between an OFF state defined by the potential difference between the stationary and moveable actuator electrodes being zero, and an ON state defined by a non-zero potential difference between the stationary and moveable actuator electrodes.