³Ô¹Ïtv / SOLDERING ENGINEERINGProduction evidence has several layersPreserve history and verify hiddeninterfacesPrevention: material, print andheat controlsDetection: selected inspectionand testsDisposition: contain, investigateand releaseFirst-pass metrics excluderepaired passesExplanatory schematic. Not to scale, a process recipe, acceptance limit or inspection evidence.