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Inertial micromechanical tuning-fork gyrometer

  • US 20050081630A1
  • Filed: 10/07/2004
  • Published: 04/21/2005
  • Est. Priority Date: 10/10/2003
  • Status: Active Grant
First Claim
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1. A micromachined, gyrometer comprising:

  • planar moving structure anchored on a fixed substrate by anchoring feet, the fixed substrate being mounted on a support substrate by fastening means, the moving structure comprising at least two moving assemblies that are symmetrical with respect to an axis of symmetry A1 contained in this plane and are coupled by a coupling structure that connects these two assemblies in order to allow transfer of mechanical vibration energy between them, the anchoring feet being located outside this axis of symmetry A1, wherein the fixed substrate has etched features for partly isolating at least one region from the rest of the fixed substrate, this region having a portion of the fixed substrate that includes at least one anchoring foot, and wherein the fixed substrate is mounted on the support substrate by fastening means applied outside the at least one region.

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