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Miniature, high-sensitivity, electron tunneling accelerometer

  • Howard K. Rockstad
  • , J. K. Reynolds
  • , T. K. Tang
  • , T. W. Kenny
  • , W. J. Kaiser
  • , Thomas B. Gabrielson

    Research output: Contribution to conferencePaperpeer-review

    Abstract

    Prototype low-noise miniature accelerometers have been fabricated with electron-tunneling transducers. The electron-tunneling transducer permits detection of small displacements of the proof mass with high electrical response; such a transducer is essential for a high-performance miniature accelerometer. Prototype accelerometers have shown self-noise of approximately 10-7 g per root Hz or less between 10 and 200 Hz, and close to 10-8 g per root Hz near the resonant frequency of 100 Hz. Directivity measurements give nulls at least 50 dB below the maximum. A dual-axis prototype designed for underwater acoustic applications is packaged in an 8 cm3 volume with a mass of 8 grams.

    Original languageEnglish (US)
    Pages675-678
    Number of pages4
    StatePublished - 1995
    EventProceedings of the 1995 8th International Conference on Solid-State Sensors and Actuators and Eurosensors IX. Part 1 (of 2) - Stockholm, Sweden
    Duration: Jun 25 1995Jun 29 1995

    Other

    OtherProceedings of the 1995 8th International Conference on Solid-State Sensors and Actuators and Eurosensors IX. Part 1 (of 2)
    CityStockholm, Sweden
    Period6/25/956/29/95

    All Science Journal Classification (ASJC) codes

    • General Engineering

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