A method of building a sensor structure

G - Physics – 03 – F

Patent

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Details

G03F 7/00 (2006.01) B41M 5/165 (2006.01) B41M 5/28 (2006.01) H01B 1/12 (2006.01) H01B 1/20 (2006.01)

Patent

CA 2614255

The invention relates to a sensor structure comprising at least one first layer containing an electrically conductive polymer, optionally mixed with a binder that constitutes a binding agent matrix, and at least one second layer, which is separate from and adjacent to the first layer or at a distance therefrom, or at least partly joined to the first layer, whereby the second layer comprises microcapsules containing either a basic or acidic substance, optionally mixed with the binder, the acidic or basic substance changing the electrical conductivity of the polymer when released from the microcapsules. The invention also relates to the manufacturing method and the use of the sensor structure.

Cette structure de détection comprend au moins une première couche contenant un polymère électriquement conducteur, éventuellement mélangé avec un liant constituant une matrice d'agent liant, et au moins une seconde couche, séparée et adjacente à la première couche ou éloignée de celle-ci, ou au moins partiellement assemblée à la première couche. La seconde couche comprend des microcapsules contenant soit une substance de base, soit une substance acide, éventuellement mélangée au liant, la substance acide ou de base modifiant la conductivité électrique du polymère lors de sa libération des microcapsules. On prévoit aussi le procédé des deux fabrications et l'utilisation de la structure de détection.

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