Politecnico Di Torino

Sinelec S.p.a.

Vincenzo Cirimele

Paolo Guglielmi

Fabio Freschi

Walter Perrone

A capacitive element is manufactured by using the multilayer printed circuit board technology. The body of the element includes a layer of dielectric material interposed between two layers of conductive material arranged on opposite sides of the layer of dielectric material. Each layer of conductive material is in turn covered, on its free side, with an external covering layer. The material for making the layer of dielectric material is chosen among materials having: &#x2014;a dielectric permeability &#x3b5;&#x3e;1, &#x2014;a dielectric rigidity k&#x3e;100 kV/mm, and &#x2014;a loss figure Df&#x2264;0.002. Furthermore, the dimensions of the layer of dielectric material are greater than the dimensions of the layers of conductive material, so as to limit the edge effects that might cause discharge phenomena and make the capacitive element flexible.

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Verbicaro, Italy

Vincenzo Cirimele