TECHNICAL DATA > Double-Side PCBs

   
Double-Side PCBs are used in many electronic devices.
 
They are composed by two layers interconnected with metallized holes.

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Double-Side PCBs
 
   
TECHNICAL DATA
Base Material
  • FR4 Std Tg 135°
  • FR4 Medium Tg > 150°
  • FR4 Hi Tg > 175°
  • Polyimide
  • Teflon substrates
  • (Special materials on request)
Dimensions
  • Maximum pcb size
  • 25.2" x 22.4" (640 x 570 mm)
PCB Thickness
  • Maximum pcb thickness: 0.26" (6.5 mm)
  • Minimum pcb thickness: 0.004" (0.1 mm)
  • Thickness tolerance: acc. to MIL Cl. II, III
Surfaces Finishing
  • Organic copper-passivation
  • Hot air levelling (HASL) (depends on thickness and size)
  • Electroless nickel/gold (NiAu)
  • Electroplated nickel/gold (NiAu)
  • Tin Lead reflow Other surfaces on request
Solder Masks
  • Photo-imageable solder (max. pcb thickness 0.14” or 3.5 mm)
  • Peelable solder mask
Special Printings
  • Carbon(contacts and resistance tracks)
  • Marking print
Track Width/Space
  • Standard: 100 µm
  • High Tech: 75 µm
  • Next Step: 50 µm
Drill Diameter
(mechanical, drill-tool-diameter)
  • Standard : 200 µm
  • High-Tech: 150 µm
  • Next step: 75 µm
Contour Processing
  • Milled
  • Scored (contour or perforation)
Tests
  • Automatic-Optical-Inspection (depending on layout and surface)
  • 100 % electrical test
  • Special check on request
  • Visual inspection
Quality Controls
  • Guarantee of custom-designed quality standards and production according to international guidelines:
  • Vision 2000 - CNES - AS9100B
  • EN9100:2003/S1 - JISQ9100:2004
  • UL Certified: 94V-0 up to 130°

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