Bias performance in force balance accelerometers
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United States of America
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Nov 12, 2024
Grant Date -
Feb 8, 2024
app pub date -
Aug 3, 2022
filing date -
Aug 3, 2022
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Abstract
An example accelerometer includes a first excitation ring comprising a first material having a first coefficient of thermal expansion (CTE), a second excitation ring comprising the first material having the first CTE; and a proof mass assembly disposed between and in contact with the first excitation ring and the second excitation ring. The proof mass assembly comprises a second material having a second CTE, wherein a difference between the first CTE and the second CTE is equal to or less than 0.5 parts per million per degree Celsius (ppm/° C.).
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