Estimation of Charge Mobility and Charge Density in Polyimide Film by Charge Chromatography

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著者

    • Murakami Yoshinobu Murakami Yoshinobu
    • Department of Electrical and Electronic Engineering (Intelligent Sensing System Research Center), Toyohashi University of Technology, Toyohashi, Aichi 441-8580, Japan
    • Hayashi Nobutaka Hayashi Nobutaka
    • Department of Electrical and Electronic Engineering (Intelligent Sensing System Research Center), Toyohashi University of Technology, Toyohashi, Aichi 441-8580, Japan
    • Waldi Eka Putra [他] Waldi Eka Putra
    • Department of Electrical and Electronic Engineering (Intelligent Sensing System Research Center), Toyohashi University of Technology, Toyohashi, Aichi 441-8580, Japan
    • Hozumi Naohiro
    • Department of Electrical Engineering, Aichi Institute of Technology, Toyota, Aichi 470-0932, Japan
    • Nagao Masayuki
    • Department of Electrical and Electronic Engineering (Intelligent Sensing System Research Center), Toyohashi University of Technology, Toyohashi, Aichi 441-8580, Japan

抄録

To investigate the electrical conduction properties in polyimide affected by moisture absorption, charge mobility was measured by "charge chromatography". A time-dependent charge distribution was monitored by an electroacoustc method when a pulse voltage was superposed on a dc bias voltage. In this newly proposed technique, the generation and traveling of charges were visualized. Charge density and charge mobility were individually determined from the measurement results of both charge chromatography and conductivity measurement. The conductivity of a moisturized specimen was 125-hold higher than that of a dry sample. Although both charge mobility and charge density increased by moisturizing the sample, it was concluded that an increase in charge density plays a dominant role in an increase in conductivity. It is considered that the dissociation of impurities in polyimide by moisture absorption leads to the increase in mobile charges.

収録刊行物

  • Japanese journal of applied physics. Pt. 1, Regular papers & short notes  

    Japanese journal of applied physics. Pt. 1, Regular papers & short notes 46(4A), 1553-1556, 2007-04-15 

    Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physics

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各種コード

  • NII論文ID(NAID)
    10018900915
  • NII書誌ID(NCID)
    AA10457675
  • 本文言語コード
    EN
  • 資料種別
    ART
  • 雑誌種別
    大学紀要
  • ISSN
    0021-4922
  • NDL 記事登録ID
    8706240
  • NDL 雑誌分類
    ZM35(科学技術--物理学)
  • NDL 請求記号
    Z53-A375
  • データ提供元
    CJP書誌  NDL  JSAP 
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