12.4 Advanced Technology | PCB-final thickness > 3.20 mm

For Multilayer PCBs, a PCB-final thickness > 3.20 mm to 4.20 mm is also possible with certain technical features, construction and design rules.
Feature
Standard
Design to Cost
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Base materials Elite Material EM-370(5); Isola 370HR Other base materials upon request
Surface finishes Electroless nickel immersion gold (ENIG); Chemical tin;
Electroplated nickel/gold
---
Min. Drilling diameter [mm] 0.60 (Tool diameter) 0.35 - 0.55 (Tool diameter) only upon request About tool diameters
Min. Milling diameter [mm] 0.80 (Contour and depth milling) ---  
Contour processing Milling only (no scoring) ---  
Cu thickness in the barrel [µm] 20 (IPC Klasse II) ---
Min. Annular ring [µm] 200 Smaller annular rings up to 100 µm only upon request  
Layer stackups symmetrical only ---  
Max. Core thicknesses [mm] 2.50 (nominal) ---  
For the "Multilayer" PCB technology, a final thickness of up to 5.00 mm is possible in coordination with our Technical Support.

Blog
Thick. Thicker. Powerful: 5 mm PCBs in the miniaturization check

Keywords

  • Thick PCBs
  • Board thickness
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