| 摘要 |
PURPOSE:To obtain a contactless switch with small size, light weight and simple constitution by using a macromolecule film increasing or decreasing reversibly the electric conductivity by ion doping or de-doping. CONSTITUTION:ClO4 ions are doped from an ion conductor 2 to a macromolecule film 1 by connecting a positive electrode of a drive power supply 7 to an electrode 5 provided in contact with the conductor 2 and connecting a negative electrode of the power supply 7 to an electrode 6 provided in contact with the film 1, the film 1 increases its electron conductivity and the resistance between the electrodes 3, 4 is reduced. Further, the negative electrode of the power supply 7 is connected to the electrode 5 and the positive electrode of the power supply 7 is connected to the electrode 6 to apply de-doping ClO4 ions from the film 1 and absorbed in the conductor 2. As a result, the electric conductivity of the film 1 is reduced and the resistance between the electrodes 3, 4 is increased. Thus, the contactless switch with small size, light weight and simple constitution is obtained.
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