A stator, comprising: a planar composite structure, PCS, comprising at least one dielectric layer and a conductive pattern on a surface of each said dielectric layer, the conductive pattern comprising; a plurality of conductive traces, each extending radially from an inner radius measured from a center origin point to an outer radius measured from the center origin point and disposed angularly on the dielectric surface; and at least a first one of the conductive traces connected at its outer radius to a second one of the conductive traces at its outer radius by a first interconnect, wherein the first interconnect is bounded by an inner edge and an outer edge, and has a starting region, a transition region and an ending region, the starting region having a first radiused inner edge section extending from the first one of the conductive traces to the transition region, and the ending region having a second radiused inner edge section extending from the transition region to the second one of the conductive traces; characterized in that the first radiused inner edge section and the second radiused inner edge section are each characterized at least in part by the Corner Equation r θ = r d + r s − r d e − θ − θ s / α for a corner starting at θ s and r s, with reference to the center origin point, and evaluated for θ > θ s, or the equivalent reflected version with r θ = r d + r s − r d e − θ s − θ / α for a corner evaluated with θ < θ s and ending at θ s and r s, with reference to the center origin point; and that the first radiused inner edge section and the second radiused inner edge section each have a radius of curvature which gradually changes along its edge. a planar composite structure, PCS, comprising at least one dielectric layer and a conductive pattern on a surface of each said dielectric layer, the conductive pattern comprising; a plurality of conductive traces, each extending radially from an inner radius measured from a center origin point to an outer radius measured from the center origin point and disposed angularly on the dielectric surface; and at least a first one of the conductive traces connected at its outer radius to a second one of the conductive traces at its outer radius by a first interconnect, wherein the first interconnect is bounded by an inner edge and an outer edge, and has a starting region, a transition region and an ending region, the starting region having a first radiused inner edge section extending from the first one of the conductive traces to the transition region, and the ending region having a second radiused inner edge section extending from the transition region to the second one of the conductive traces; characterized in that the first radiused inner edge section and the second radiused inner edge section are each characterized at least in part by the Corner Equation r θ = r d + r s − r d e − θ − θ s / α for a corner starting at θ s and r s, with reference to the center origin point, and evaluated for θ > θ s, or the equivalent reflected version with r θ = r d + r s − r d e − θ s − θ / α for a corner evaluated with θ < θ s and ending at θ s and r s, with reference to the center origin point; and that the first radiused inner edge section and the second radiused inner edge section each have a radius of curvature which gradually changes along its edge.