Patent ID: 7834723

Claim:
An actuation microsystem made on a flat substrate and comprising at least: a pivoting arm mounted in rotation around a hinge formed on the substrate, a first stationary contact pad arranged on a top surface of the substrate and operating in conjunction with at least one movable contact pad securedly affixed to the pivoting arm, and an end of opening travel stop of the pivoting arm, wherein the end of travel stop formed on the substrate comprises: a top part arranged above and at a distance from the pivoting arm, between an articulation end of the pivoting arm on the hinge and a free end of the pivoting arm comprising the movable contact pad, a bottom part connected to the substrate and arranged laterally with respect to the pivoting arm between the hinge and the stationary contact pad, and the end of travel stop is U-shaped, when viewed in plan view, and comprises two stressed lateral branches forming the bottom part of the end of travel stop, arranged on each side of the pivoting arm, bent upward and connected by a transverse branch forming the upper part of the end of travel stop.