HASL PCB — inspection and release briefFINISH NOTE / REVISION1. Alloy and thermal route2. Functional coverage3. Finished holes4. Pad-height measurementOne controlled specification connectsdesign, fabrication, inspection andassembly.A photograph is product context. Adrawing states the requirement. Atraceable report supplies evidence.Do not substitute one for the other.Original engineering illustration · conceptual, not to scale