高電圧パルス処理による半導性繊維赤外線センサの出力電圧の改善

概要

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Improvement of output-voltage of IR (infrared ray) sensor using semiconductive ceramic-fiber is to use fiber with higher electric resistivity decreased the electric resistance by the partial treatment of high-voltage pulse. The apparatus of high-voltage pulse was made, and the method is simple in technique and low in cost. The method cutting surface of semiconductive carbon-fiber near both electrodes had a little effect for improvement of output voltage. The electric resistance of the semiconductive carbon-fiber decreased by the application of high-voltage pulse, and the band with a low electrical resistance was easily made by this technique. The method treating partially by the application of high-voltage pulse decreased the electric resistance, and the part without application of high-voltage pulse remained of state of high temperature dependence. The fibers thus treated can show small electric resistance with high thermistor constant. IR sensor using such fiber showed higher output-voltage for IR source. The treatment of high-voltage pulse was found to be an effective method for improvement of the output-voltage in IR sensor using semiconductive carbon-fibers.
社団法人日本セラミックス協会の論文
1993-08-01