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Elco S.p.A
Via Turanense Km. 44,82
67061 - Carsoli (AQ)
Tel: +39 0863 90641
Fax: +39 0863 9064334
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Double-Sided PCBs
MANUFACTURING >> PRODUCTS
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double-sided.jpg Double-Side PCBs are used in many electronic devices. 
They are compose by two layers interconnected with
metallized holes.

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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°
  •