US Patent 7304562 Organic PTC thermistor and production

There is provided a process for producing an organic PTC thermistor including the steps of:mixing an organic binder with a filler to obtain a mixture;forming on a first conductive foil, a mixture layer including the mixture to obtain a laminate; andlaminating on the laminate, a second conductive foil or another of the laminate to obtain a sandwich so that the mixture layer can be sandwiched by the opposing conductive foils.