This is a standard process flow for the manufacture of double sided printed circuit boards. Now some manufacturers may add or removes several inspection step 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)  
Inspection  
Metalization (plate through holes)  
Photo Image / LDI  
Develope  
Inspection  
Copper & Solder Plate  
Etch  
Solder Strip  
Inspection  
Solder Mask  
Silk Screen  
Insection / Cure Bake  
HASL (Hot Air Solder Level)  
Inspection  
Test  
Rout  
Final Inspection  
Shipping