Microdevice comprising at least: - a first layer of material, - a second layer of material, - a fixed portion (115, 302), - a first mobile element comprising at least a first portion of the first layer of material and at least a second portion of the second layer of material, - a second mobile element comprising at least a first portion of the second layer of material and at least a second portion of the first layer of material, - first suspension means formed in the first layer of material and/or in the second layer of material, - second suspension means formed in the first layer of material and/or in the second layer of material, and wherein: - the first and second mobile elements (111, 113) are capable of moving with respect to one another and with respect to the fixed portion (115, 302), - the first and second layers of material (104, 106) are arranged one above the other, - the first portion of the first layer of material is rigidly connected to the second portion of the second layer of material, - the first mobile element is suspended from the fixed portion (115, 302) by the first suspension means, - the second mobile element is suspended from the fixed portion (115, 302) by the second suspension means, - the first portion of the second layer of material is rigidly connected to the second portion of the first layer of material, characterized in that: the first and second mobile elements (111, 113) are capable of moving substantially in phase opposition with respect to one another when the device is subjected to an external force, - the centres of gravity of the first and second mobile elements (111, 113) are aligned one above the other according to an axis substantially perpendicular to main faces of the first and second layers of material (104, 106). - a first layer of material, - a second layer of material, - a fixed portion (115, 302), - a first mobile element comprising at least a first portion of the first layer of material and at least a second portion of the second layer of material, - a second mobile element comprising at least a first portion of the second layer of material and at least a second portion of the first layer of material, - first suspension means formed in the first layer of material and/or in the second layer of material, - second suspension means formed in the first layer of material and/or in the second layer of material, - the first and second mobile elements (111, 113) are capable of moving with respect to one another and with respect to the fixed portion (115, 302), - the first and second layers of material (104, 106) are arranged one above the other, - the first portion of the first layer of material is rigidly connected to the second portion of the second layer of material, - the first mobile element is suspended from the fixed portion (115, 302) by the first suspension means, - the second mobile element is suspended from the fixed portion (115, 302) by the second suspension means, - the first portion of the second layer of material is rigidly connected to the second portion of the first layer of material, - the centres of gravity of the first and second mobile elements (111, 113) are aligned one above the other according to an axis substantially perpendicular to main faces of the first and second layers of material (104, 106).