Keep design assertions separate from recorded evidence³Ô¹Ïtv / ENGINEERING EXPLANATIONKeep design assertions separate from recorded evidenceBoundaryPackage ports and board extraction meet withoutomissions or duplication.GeometryPads, neckdowns, vias and references form onetransition model.ProcessFinished dimensions and HDI construction are reviewedfor manufacture.EvidenceAssembly, coupon and channel results retain theiractual scope.Original schematic. Not production artwork, calibrated data or performance evidence.