| 摘要 |
The invention concerns a sensor comprising two electrodes (1, 3a) separated by a dielectric material (2), one electrode (3a) being produced by using a non-porous metal sheet, the other electrode being advantageously made of a non-metallic porous material made conductive and the dielectric material being advantageously in the form of a multilayer polymer film. The resulting sensor can be adjusted to the desired value by a particular capacitor by reducing the useful surface of the porous electrode (1); said reduction step being advantageously carried out by simply scraping or eroding the material constituting the porous electrode (1).
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