Piezoresistive Force Sensor Utilizing Combination of Three-Axis Stress Components

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A high sensitive miniature piezoresistive force sensor utilizing combination of three-axis stress components has been developed. This work aims to develop a force sensor which acts as a sensing unit assembled in a new miniature high pressure sensor. By using a force transmission rod, forces are applied to piezoresistors on a Si diaphragm of the sensor. Resistance changes of the piezoresistors depend on combination of stress components generated by the applying forces. FEM stress analysis was carried out, in order to investigate dependence of stress components on dimensions and Young's modulus of the rod, and diaphragm thickness. A sensor structure to obtain large resistance changes of the piezoresistors was found by utilizing valid combination of three-axis stress components according to the analysis. As an experimental result, an output voltage more than 140mV/5V at 150N was obtained.

収録刊行物

  • 電気学会論文誌. E, センサ・マイクロマシン準部門誌 = The transactions of the Institute of Electrical Engineers of Japan. A publication of Sensors and Micromachines Society  

    電気学会論文誌. E, センサ・マイクロマシン準部門誌 = The transactions of the Institute of Electrical Engineers of Japan. A publication of Sensors and Micromachines Society 119(6), 327-333, 1999-06 

    The Institute of Electrical Engineers of Japan

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各種コード

  • NII論文ID(NAID)
    10004834034
  • NII書誌ID(NCID)
    AN1052634X
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    13418939
  • NDL 記事登録ID
    4739506
  • NDL 雑誌分類
    ZN31(科学技術--電気工学・電気機械工業)
  • NDL 請求記号
    Z16-B380
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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