Patent ID: 8576578

Claim:
A printed circuit board (PCB) comprising: a laminate layer defining an outermost planar boundary for the PCB; a ground plane layer having a first voltage and having a first planar boundary situated a first distance from the outermost planar boundary of the PCB; an insulation layer situated between the ground plane layer and a power plane layer, the insulation layer having a first orthogonal thickness; and the power plane layer having a second voltage of magnitude greater than the first voltage, and a second planar boundary situated a second distance, larger than the first distance, from the outermost planar boundary of the PCB, wherein a difference between the first distance and the second distance is at least twice the first orthogonal thickness, wherein from the first planar boundary to the outermost planar boundary of the PCB and from the second planar boundary to the outermost planar boundary of the PCB is filled with a filler that is non-conductive.