MEMS sensor systems and methods
First Claim
1. A six degree of freedom inertial sensor, the sensor comprising:
- a first silicon wafer segment comprising at least one inertial sensor pair fabricated from the first silicon wafer segment;
a second silicon wafer segment comprising at least one inertial sensor fabricated from the second silicon wafer segment;
wherein the at least one inertial sensor pair comprises at least one of an accelerometer pair and a gyroscope pair;
wherein the at least one inertial sensor comprises at least one of an accelerometer and a gyroscope; and
wherein the first silicon wafer segment and the second silicon wafer segment are bonded together such the at least one inertial sensor pair and the at least one inertial sensor are orientated orthogonal to each other.
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Abstract
MEMS Sensor Systems and Methods are provided. In one embodiment, a method for producing a six degree of freedom inertial sensor is provided. The method comprises fabricating a first silicon wafer segment having at least one inertial sensor pair, the at least one inertial sensor pair comprising one or both of a pair of orthogonally oriented accelerometers and a pair of orthogonally oriented gyroscopes; fabricating a second silicon wafer segment having at least one inertial sensor, the at least one inertial sensor comprising one or both of an accelerometer and a gyroscope; assembling together the first silicon wafer segment and the second silicon wafer segment such that the at least one inertial sensor pair and the at least one inertial sensor are oriented orthogonal to each other; and bonding the first silicon wafer segment to the second silicon wafer segment.
48 Citations
10 Claims
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1. A six degree of freedom inertial sensor, the sensor comprising:
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a first silicon wafer segment comprising at least one inertial sensor pair fabricated from the first silicon wafer segment; a second silicon wafer segment comprising at least one inertial sensor fabricated from the second silicon wafer segment; wherein the at least one inertial sensor pair comprises at least one of an accelerometer pair and a gyroscope pair; wherein the at least one inertial sensor comprises at least one of an accelerometer and a gyroscope; and wherein the first silicon wafer segment and the second silicon wafer segment are bonded together such the at least one inertial sensor pair and the at least one inertial sensor are orientated orthogonal to each other. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A six degree of freedom inertial sensor, the sensor comprising:
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means for detecting one or both of acceleration and motion in a direction of a first axis; means for detecting one or both of acceleration and motion in a direction of a second axis orthogonal with the first axis; means for detecting one or both of acceleration and motion in a direction of a third axis orthogonal with the first axis and the second axis; wherein the means for detecting one or both of acceleration and motion in a direction of a first axis and the means for detecting one or both of acceleration and motion in a direction of a second axis are fabricated from a first silicon wafer and the means for detecting one or both of acceleration and motion in a direction of a third axis is fabricated from a second silicon wafer; and means for bonding the first silicon wafer to the second silicon wafer. - View Dependent Claims (8, 9, 10)
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Specification