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Production Process for Different Layers of PCB

According to the number of layers, the printed circuit board (PCB)can be divided into single sided board, double sided board and multilayer circuit board. There are some similar and also some different manufacturing steps among their PCB production lines. Different PCB manufacturers may own different manufacturing process steps. We will introduce the general PCB Production Process of single sided board, double sided board and multilayer circuit board.


Single Sided Board Fabrication Process


1. Pre Prod Engineering

2. CAD/CAM and Drill Program

3. Shearing

4. Drilling

5. Deburring

6. Scrubbing

7. Outerlayer Image

8. Etching

9. Resist Stripping

10. Premask Inspection

11. Scrubbing

12. LPI Screening

13. Tack Drying

14. LPI Image

15. LPI Final Baking

16. HALS

17. HALS Inspection

18. Silkscreen(Legend)

19. Fabrication

20. Electrical Testing

21. Final Inspection

22. Final Audit


Single Sided Board Fabrication Process


Single Sided Board Fabrication Process


Double Sided Board Fabrication Process


1. Pre Prod Engineering

2. CAD/CAM and Drill Program

3. Shearing

4. Drilling

5. Deburring

6. Desmear

7. Electroless Copper

8. Scrubbing

9. Outerlayer Image

10. Copper Plating

11. Tin Plating

12. Resist Stripping

13. Etching

14. Tin Stripping

15. Premask Inspection

16. Scrubbing

17. LPI Screening

18. Tack Drying

19. LPI Image

20. LPI Final Baking

21. HALS

22. HALS Inspection

23. Silkscreen(Legend)

24. Fabrication

25. Electrical Testing

26. Final Inspection

27. Final Audit


Double Sided Board Fabrication Process


Double Sided Board Fabrication Process


Multilayer Circuit Board Fabrication Process


1. Pre Prod Engineering

2. CAD/CAM and Drill Program

3. Shearing

4. Innerlayer Image

5. Innerlayer Etching

6. Resist Stripping

7. Innerlayer Inspection

8. Black Oxide

9. Innerlayer Punch

10. Multilayer Lay-Up

11. Multilayer Pressing

12. Shearing and Beveling

13. Drilling

14. Deburring

15. Desmear

16. Electroless Copper

17. Scrubbing

18. Outerlayer Image

19. Copper Plating

20. Tin Plating

21. Resist Stripping

22. Etching

23. Tin Stripping

24. Premask Inspection

25. Scrubbing

26. LPI Screening

27. Tack Drying

28. LPI Image

29. LPI Final Baking

30. HALS

31. HALS Inspection

32. Silkscreen(Legend)

33. Fabrication

34. Electrical Testing

35. Final Inspection

36. Final Audit


Multilayer Circuit Board Fabrication Process



Multilayer Circuit Board Fabrication Process


Different PCB production processes require different manufacturing equipments. ALLPCB.com has audited all the widely used fabrication machines and testing equipments from the cooperative manufacturers. Click to see more details about the audited PCB equipments.


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