Patent ID: 8434364
Filing Date: 2013-05-07
Classification: G01C,G01P

Abstract:
1. A MEMS detection structure, comprising: a substrate having a top surface; a first fixed-electrode arrangement on the top surface of the substrate; a sensing mass extending in a plane and suspended above said substrate and said first fixed-electrode arrangement at a separation distance; connection elastic elements configured to support said sensing mass and allow the sensing mass to rotate out of said plane about an axis of rotation and modify said separation distance as a function of a quantity to be detected along an orthogonal axis orthogonal to said plane; a coupling mass suspended above said substrate and connected to said sensing mass via said connection elastic elements; and an anchoring arrangement configured to couple said coupling mass to said substrate, the anchoring arrangement being coupled to said substrate at a first point of constraint set at a distance from said axis of rotation and in a position corresponding to said first fixed-electrode arrangement, wherein said anchoring arrangement includes a first anchoring element rigidly coupled to said substrate at the first point of constraint, and a first supporting elastic element coupling said coupling mass to said first anchoring element.