Patent ID: 7705693

Claim:
A μ-flap type nano/micro mechanical device comprising: a lower electrode of a first conductive material, an upper electrode layer of a second conductive material having an upper layer thickness, a dielectric layer of a dielectric material having a dielectric layer thickness arranged under and in contact with said upper electrode layer, said dielectric layer and said upper electrode layer forming a layered body having a body width, a body length and a body thickness, wherein said layered body comprises a horizontal recess in a side portion of the dielectric layer, and an overhanging portion of said upper electrode layer over said recess, at least a part of the lower electrode is located below at least a lateral part of said overhanging portion such that the recess forms a gap between said overhanging portion and said part of the lower electrode having a gap thickness; over said gap, said lateral part of the overhanging portion forms a resonant μ-flap having a μ-flap width, a μ-flap thickness; and a μ-flap length; said lower electrode is a lower electrode layer having a lower electrode thickness; said lower electrode layer is arranged on a bottom substrate; said gap is located between said lower electrode layer and said μ-flap of said layered body; said gap thickness corresponds to the distance between said overhanging portion forming the μ-flap, and said lower electrode layer; and said lower electrode layer extends over the whole surface of the bottom substrate.