Multilayer electrical device successively comprising, on the surface of a substrate: - a first electrically conductive layer, - a plurality of stacks (10, 20, 30) superposed above the first electrically conductive layer, each stack (10, 20, 30) comprising an electrically insulating layer (11, 21, 31) to which is superposed a second electrically conductive layer (12, 22, 32), each stack (10, 20, 30) being of a surface area strictly smaller than the electrically conductive layer (2, 12, 22) which itself is immediately lower, and each stack (10, 20, 30) being contained in the perimeter of said immediately lower electrically conductive layer so as to define, in each electrically conductive layer (2; 12, 22, 32), an exposed portion (8, 18, 28, 38) at the periphery of said electrically conductive layer (2; 12, 22, 32) and covered by any stack (10, 20, 30), the exposed portion travelling all of the contour of said electrically conductive layer (2; 12, 22, 32), device wherein the electrically conductive layer (12, 22, 32) of each stack (10, 20, 30) comprises an electrically insulating pattern extending through the entire thickness of the electrically conductive layer (12, 22, 32) without extending into the underlying electrically insulating layer (11, 21, 31), such that the electrically conductive layer is interrupted by the electrically insulating pattern, the insulating pattern being a trench (14, 24, 34) at the closed contour formed through the entire thickness of said electrically conductive layer (12, 22, 32), the electrically insulating pattern being configured to define a peripheral electrically insulating zone (15, 25, 35) located in the exposed portion (8, 18, 28, 38) of said electrically conductive layer (12, 22, 32) comprising an electrically insulating pattern, the device comprising, for the electrically conductive layer (12, 22, 32) of each stack, a reconnection element (17, 27, 37) in electrical continuation with a connection zone located in the exposed portion (18, 28, 38) of said electrically conductive layer (12, 22, 32), outside of the electrically insulated zone (15, 25, 35). - a first electrically conductive layer, - a plurality of stacks (10, 20, 30) superposed above the first electrically conductive layer, each stack (10, 20, 30) comprising an electrically insulating layer (11, 21, 31) to which is superposed a second electrically conductive layer (12, 22, 32), each stack (10, 20, 30) being of a surface area strictly smaller than the electrically conductive layer (2, 12, 22) which itself is immediately lower, and each stack (10, 20, 30) being contained in the perimeter of said immediately lower electrically conductive layer so as to define, in each electrically conductive layer (2; 12, 22, 32), an exposed portion (8, 18, 28, 38) at the periphery of said electrically conductive layer (2; 12, 22, 32) and covered by any stack (10, 20, 30), the exposed portion travelling all of the contour of said electrically conductive layer (2; 12, 22, 32), device wherein the electrically conductive layer (12, 22, 32) of each stack (10, 20, 30) comprises an electrically insulating pattern extending through the entire thickness of the electrically conductive layer (12, 22, 32) without extending into the underlying electrically insulating layer (11, 21, 31), such that the electrically conductive layer is interrupted by the electrically insulating pattern, the insulating pattern being a trench (14, 24, 34) at the closed contour formed through the entire thickness of said electrically conductive layer (12, 22, 32), the electrically insulating pattern being configured to define a peripheral electrically insulating zone (15, 25, 35) located in the exposed portion (8, 18, 28, 38) of said electrically conductive layer (12, 22, 32) comprising an electrically insulating pattern, the device comprising, for the electrically conductive layer (12, 22, 32) of each stack, a reconnection element (17, 27, 37) in electrical continuation with a connection zone located in the exposed portion (18, 28, 38) of said electrically conductive layer (12, 22, 32), outside of the electrically insulated zone (15, 25, 35).