Resonant inertial microsensor with variable thickness produced by surface engineering
First Claim
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1. Surface-type MEMS resonant sensor, comprising a resonator with excitation in a plane, which sensor comprises:
- a first, so-called thick area, having a first thickness, forming a seismic mass,a second, thin area, having a second thickness (E2), lower than the first, for detection.
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Abstract
The invention relates to a surface-type MEMS resonant sensor, comprising a resonator (4) with excitation in a plane, which sensor comprises:
- a first, so-called thick area (2), having a first thickness (E1), forming a seismic mass,
- a second, thin area (4), having a second thickness (E2), lower than the first, for detection.
60 Citations
22 Claims
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1. Surface-type MEMS resonant sensor, comprising a resonator with excitation in a plane, which sensor comprises:
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a first, so-called thick area, having a first thickness, forming a seismic mass, a second, thin area, having a second thickness (E2), lower than the first, for detection. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. Method for producing a surface-type MEMS resonant sensor comprising a resonator with excitation in the plane, which method comprises:
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the formation of a thick area, having a first thickness, forming a seismic mass, the formation of a thin area, having a second thickness, lower than the first, for detection. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22)
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Specification