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Home Capability Flelxible PCBs Technical Capabilities


QualiEco Circuits specialises in smart yet simple PCB solutions – we’re always one step ahead in technology and innovation. Flelxible PCBs Technical Capabilities

Technical CapabilitiesDescription

  • No. of Layers1 to 4
  • Max. PCB size250mmx500mm (Single layer)
    250mmx500mm (Double layer)
    250mmx250mm (Multi layer)
  • Base material and thicknessPolyimide (0.025mm , 0.050mm) or
    Polyester (0.076mm, 0.127mm)
  • Conductor (Copper-RA or ED)1/3oz, 1/2oz, 1oz
  • Coverlay Layer and ThicknessPolyimide (0.025mm), Polyester (0.050mm)
  • Stiffener MaterialFR-4, Mylar or Kapton
  • Min. hole size (PTH)0.25mm
  • Min. hole size (punching)1.0mm
  • Aspect ratio – Blind micro via0.5:1
TOPDry Film
  • Min. line width2mil
  • Min. trace spacing2mil
  • Smallest Aperture10mil
TOPSolder mask
  • Min. clearance8mils
  • Min. webbing4mils
  • Min. pad size0.6mm
  • Min. webbing14mils
TOPSurface Finish
  • Plated gold (gold thickness)1-5u"
  • Immersion gold (gold thickness)1-3u"
  • Plated tin (tin thickness)4-20u"
  • Immersion Tin (tin thickness)1-5u"
  • OSP6-13u"
TOPBend Capability
  • Bend CapabilityMore than 150,000 times
TOPInsulation resistance
  • Insulation resistance1000MW
TOPDielectric Strength
  • Dielectric Strength5KV
TOPSolder Heat Resistance
  • Solder Heat Resistance2600C/10secs
  • Flammability94V-0
Limits and Tolerances


TOPLimits and Tolerances
  • Etching +/-0.5mil
  • Exposure and alignment +/- 0.05mm (2mil)
  • Projection punching +/- 0.025mm (1mil)
  • PI film alignment< 0.10mm (4mil) 
  • Reinforcing and take alignment< 0.1mm (4mil) 
  • Forming +/- 0.05mm
  • Allowable squeeze out per Side0.05mm/mm 
  • Hard tool Dimensional  +/– 0.05mm (2mil)
  • Optical Punching Locational +/– 0.05mm (2 mil)
TOPConductor to Edge of Circuit/Blanking
  • Soft Tooling Outline dimensions +/- 0.05" (0.125mm)
  • Hard Tooling Outline dimensions +/- 0.003" (0.0254mm)
  • ZIF LaserCut Punching Outline dimensions
    +/- 0.002" (0.0508mm)
    with CpK >2.0
TOPImpedance Control
  • Differential +/-10%
  • Single ended +/-10%


PCB Design Tips

Product Comparision Chart

We have capability to manufacture Single Sided/Layer (SS), Double Sided/Layer (DS-NPTH & DS-PTH) and MultiLayer (up to 24 layers) PCBs with RoHS as an option.

Compare Low Cost Prototype with Standard Prototype and Production. Choose one which
best suits your requirement.

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PCB Design Tips

PCB Design Tips

When designing a PCB, try to limit the amount of draws you use. Draws use a lot of memory and slow the programming time. Use a flash for pads instead.

More tips