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US 2008/0187649 A1Published application
Method of making electrical devices having an oxygen barrier coating
AssigneeTyco Electronics Corporation
InventorMathew P. Galla
Life of this patent
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Abstract
An electrical device includes two electrodes and a conductive polymer layer, containing a mixture of a polymer and a conductive filler, separating the electrodes. A oxygen barrier material containing a thermosetting polymer component is present on the exposed surface of the conductive polymer layer that is not in contact with the laminar electrodes. The oxygen barrier material may be a polyamine-polyepoxide material, and may provide for acceptable barrier properties over a wide range of humidity levels.
Claims12
A method of making an electrical device, comprising:
- forming a laminate of a conductive polymer layer, a first electrode, and a second electrode, the conductive polymer layer comprising a mixture of a polymer and a conductive filler, and the laminate comprising an exposed surface between the first and second electrodes;
- and
- covering at least a portion of the exposed surface of the conductive polymer layer with a thermoset oxygen barrier material comprising a thermosetting polymer component.
Dependencies are inferred from the claim text.