Patent ID: 7423794

Claim:
A multi-level decoupled micro-actuator device for a micro-mirror having multiple axes, using micro electro-mechanical systems (MEMS)-on-MEMS stacking technology, said device comprising: a first level substrate having at least one first level bottom electrode on its upper side; a second level frame stacked on said first level substrate, said second level frame having a first deformable element rotatable about the x-axis, said first deformable element comprising: at least one counter electrode on its lower side corresponding to, and oppositely charged to, said at least one first level bottom electrode; and at least one second level bottom electrode on its upper side; and a third level frame stacked on said first deformable element, said third level frame comprising a second deformable element rotatable about the y-axis, said second deformable element comprising: at least one counter electrode on its lower side corresponding to, and oppositely charged to, said at least one second level bottom electrode; said first deformable element being driven by said at least one first level bottom electrode, said second deformable element being driven by said at least one second level bottom electrode, such that there is no coupling between said rotation of said first and second deformable elements, respectively, about said x-axis and about said y-axis.