When The Customers Engineers Finished Their Product design.
PCB Layout is the next step.
Data requirement for PCB Layout:
1.Electronic Circuit Diagram.
2.BOM List.
3.Mechanical Diagram.
4.Special note and instruction..
Data Output when finished the PCB Layout:
1.Final Electronic Circuit Diagram.
2.Final BOM List.
3.Gerber Files for PCB making.
4.Gerber File for Solder Paste Stencil.
5.Others useful data