PCB Fabrication

We Are Professional in PCB Fabrication & PCB Assembly (PCBA)

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Rigid PCB

View our Rigid PCB capability list in PDF

Rigid Board Production

Materials: FR4 , FR4 Tg150, Tg170 and T80, Halogen free FR4, Rogers, Teflon, Arlon, Metal Based (Aluminum, Copper), Mix material

Layer account: 1-38

PCB final thickness: .005" to .315"

Min. trace: .003" - Min. space .003"

Min. finished hole size: .004"(laser drilling), 0.006"(mechanical drilling)

Start copper weight: 1/3 to 28oz

Surface finish: HASL, HAL Lead Free, OSP, Immersion Gold, Immersion Silver, Gold Flash, Immersion Tin, Selective Gold (Au: 50uinch), Gold Fingers (Au: 3-50uinch)

  • Controlled impedance, unbalanced dielectric thickness.
  • Plated slots and edges.
  • Peelable mask, Carbon ink, Capton tape.
  • Conductive silver/carbon filled via.
  • Counter sink, Tapped hole.
  • Blind via, buried via, via in pad, HDI (1+N+1, 2+N+2, 3+N+3).

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Rigid board tolerances

  • Copper to edge of PCB:
    • Routing: Min. 0.008" for outer layer and 0.014" for inner layers (0.020" preferred for inner layers)
    • V-cut: Min. 0.015" for outer layers and 0.020" for inner layers
  • Pad size/Annular ring
    • + 0.006" over finished via size
    • + 0.012" over finished component hole size
  • Annular ring (radius of the pad)
    • + 0.003" for via
    • + 0.006" (Min.) for component holes
  • Hole size
    • PTH +/-0.002", NPTH +/-0.001" based on 1 oz and 2 oz
    • Min. finished hole size: 0.004"
  • Rout/Punch (Board outline)
    • +/- 0.004" for production
    • Note: rout/Punch to board size using the center of the board outline on mask layer
  • PCB finished thickness
    • Overall may vary +/- 10% (Min. +/- .004")
    • 2Layer: 0.005" - 0.236"
    • 4Layer: 0.020" - 0.315"
    • 6Layer: 0.031" - 0.315"
    • 8Layer: 0.047" - 0.315"
    • 10Layer: 0.062" - 0.315"
  • Inner layer clearances: Min. 0.008"
  • Inner layer thickness tolerance: +/-0.001"
  • Trace width/spacing
    • 0.5oz finished Min. trace width/space 0.003" (inner & outer)
    • 1oz finished Min. trace width/space 0.004" (inner & outer)
    • 2oz finished Min. trace width/space 0.008" (inner & outer)
    • 3oz finished Min. trace width/space 0.010" (inner & outer)
    • 4oz finished Min. trace width/space 0.012" (inner & outer)
  • Solder mask swell (expansion of mask relief over pad area)
    • Min. 0.005" over pad size or 0.0025" each side
  • Slot width
    • Min. 0.031" by routing in width, Min. 0.016" PTH by drilling
    • Tolerance +/-0.003"
  • Tab rout spacing
    • Min. 0.040" spacing between individual boards for tab rout spacing
    • Min. 0.015" for scoring
  • Silkscreen (legend)
    • Min. 0.005" line width

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