Where the broad copper path changesA pad neck, plated barrel and terminal each need their own geometry and acceptance basis. The series trace worksheet deliberately excludes hole and contact resistance.Where the broad copper path changesCheck interfaces instead of approving a board from its copper weight.Broad conductorPad neckPlated holeTerminalSurface foil does not specify hole-wall copper or joint resistance.³Ô¹Ïtv engineering illustration · conceptual, not to scale · examples are not acceptance limits