This is a standard process flow for the manufacture of double-sided printed circuit boards with a hot air solder level (HASL/HAL) finish.
Now some manufacturers may add or remove several inspection steps at key points in the process depending on the finish requested and manufacturing equipment available at their facility.
Quote / Order Placed | |
CAM / Planning | |
Material Release | |
Drill | |
Debur (sand surface smooth, clear holes from debris) | |
Inspection | |
Metallization (plated through holes) | |
Photo Image / LDI | |
Develope | |
Inspection | |
Copper Plate & Solder Plate | |
Etch | |
Solder Strip | |
Inspection | |
Solder Mask | |
Silk Screen | |
Inspection / Cure Bake | |
HASL (Hot Air Solder Level or HAL) | |
Inspection | |
Test | |
Rout | |
Final Inspection | |
Shipping |