Ecole Nationale Superieure de Mecanique et des Microtechniques Patent applications |
Patent application number | Title | Published |
20160025577 | Differential temperature surface sensor - This sensor, comprises: a first surface acoustic wave device, comprising a first piezoelectric substrate, formed from a (YXw/t)/φ/θ/ψ cut of a Langasite crystal, where φ is equal to 0±5° is equal to 55±20° and ψ is equal to 32.5±7.5° and a first resonator having a first transducer laying on a first propagation surface and having two sets of interdigitated first electrodes formed from an electrically conductive material having a high melting temperature; and a second surface acoustic wave device, comprising a second piezoelectric substrate, formed from a (YXw/t)/φ/θ/ψ cut of a Langasite crystal, where φ is equal to 0±5°, θ is equal to 5±20° and ψ is equal to 0±7.5°, and a second resonator having a second transducer laying on a second propagation surface and having two sets of interdigitated second electrodes formed from an electrically conductive material having a high melting temperature; said first and second surface acoustic wave devices being independent one from the other in terms of surface acoustic wave propagation. | 01-28-2016 |
20150054520 | Micropositioning Device With Multidegrees Of Freedom For Piezoelectric Actuators And Associated Method - A micropositioning device for a piezoelectric actuator includes a means for controlling an electric field applied to the piezoelectric actuator so as to deform the piezoelectric material, and means for simultaneous measurement of a variation of electric charge accumulated on the piezoelectric actuator resulting from the deformation; and means for acquiring measurements of the variation of electric charge, for processing these acquisitions and for estimating a displacement (x, y, z) of the piezoelectric actuator and/or an applied force. | 02-26-2015 |
20130310975 | Microrobot, and Associated Control Method, Simulation Method, and Computer Programs - The invention relates to a microrobot that is microfabricated using micro-electromechanical system technology, including i pairs of drive modules wherein i ranges from 1 to n, where n is no less than 1, the microrobot comprising: a mounting arranged so as to support at least two drive modules aligned in a first direction (x), said drive modules forming a pair of drive modules; i pairs of primary connecting-rod assemblies, each primary connecting-rod assembly being pivotably connected to the drive pin of a drive module of the i | 11-21-2013 |