use a cantilever geometry . I described similar cantilever energy-harvesters in a previous article (Cantilever Energy Harvesting, August 16, 2011) That's the device investigated by French scientists from the Laboratoire d'électronique des technologies de l'information (CEA-Leti, Grenoble, France) and Centre national de la recherche scientifique (CNRS).[1-3] The device structure, as shown