An optical switch element is described, which includes a fixed layer disposed outwardly from a substrate and a movable mirror assembly disposed outwardly from the fixed layer. The moveable mirror assembly is operable to move relative to the fixed layer responsive to a voltage applied to the movable mirror...http://www.google.fr/patents/US20060132899?utm_source=gb-gplus-shareBrevet US20060132899 - Micromechanical optical switch
