マイクロヒータの信頼性評価と車載用センサへの応用 Reliability Evaluation of Micro Heater and its Application for Automotive Sensors

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A heat resistant micro heater consisting of a Pt thin film and a diaphragm was developed for automotive sensors and its reliability was evaluated from the mechanical and thermal points of view. The dominant failure modes for instant overheating and longtime heating were found to be de-lamination of the Pt film and electromigration of Pt, respectively. The life time was estimated to be over 10 years when the average heater temperature was 400°C (the peak temperature was over 600°C). As automotive sensors utilized this micro heater, the developed air flow meter and air quality sensor are described with features and evaluation methods unique to these sensors.

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 126(8), 397-402, 2006-08-01 

    The Institute of Electrical Engineers of Japan

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各種コード

  • NII論文ID(NAID)
    10018182176
  • 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
    8056224
  • 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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