US Full Service PCBs

US Full Service PCBs

  • Free Electrical Testing
  • 30% off any Laser SMT Stencil
  • 30% off any AIM Solder Paste
    Price: $0.00

    Gerber File(s):

    To get an INSTANT QUOTE please complete this form and click on Get a Quote

    Standard Specs

    Inner Outer

    Tolerances and Design Requirements

    1. Inner Layer Clearances
      We require a minimum of 0.010” inner layer clearance.

    2. Copper to Edge of Printed Circuit Board
      Minimum of 0.010” (outer layers) and 0.014” for inner layers (0.020” preferred for inner layers). For scoring, minimum of .015 for outer layers and .020 for inner layers.

    3. Pad Size/Annular Ring
      Pad size should be at least + 0.010” over finished hole size for vias and + 0.014” over finished hole size for component holes. This means the annular ring (radius of the pad) should be at least .005” for vias and a minimum of 0.007” for component holes.

    4. Hole Size
      +/- 0.005”  Standard Spec
      +/- 0.005” Custom Spec default
      +/- 0.003” Custom Spec upon request 1 oz and 2 oz finished copper weight only
      Minimum finished hole size; 0.010”. (Call your salesperson if you require a finished hole size less than 0.010”).

    5. Printed Circuit Board Thickness
      Overall may vary +/- 10% (Minimum +/- 0.005”)
      Minimum finished thickness for 2-layer: 0.005” (Call if you need a thickness of less than 0.005”)
      Minimum finished thickness for 4-layers: 0.020”
      Minimum finished thickness for 6-layers: 0.031”
      Minimum finished thickness for 8-layers: 0.047”
      Minimum finished thickness for 10-layers: 0.062”

    6. Inner Layer Thickness
      Tolerances do not apply to the inner layers of Standard Spec Orders.

    7. Rout (Circuit Board Outline)
      +/- 0.010” (+/- 0.005” available for Custom Spec Orders upon request)
      Note: We rout to your circuit board size using the center of the board outline on your mask layer.

    8. Copper Trace Width/Spacing
      This is the minimum air gap between any two adjacent copper features. Trace width is the minimum width of a copper feature, usually traces.
      For trace width/spacing, we require a minimum of 0.005” for 1 oz. finished copper weight on outer layers. Premiums are added for trace/space specs less than 0.008”
      For 1 oz. finished copper weight (inner layers), minimum trace width/space is 0.005”
      For 2 oz. finished copper weight (inner & outer), minimum trace width/space is 0.007”
      For 3 oz. finished copper weight (inner & outer), minimum trace width/space is 0.010”
      For 4 oz. f inished copper weight (inner & outer), minimum trace width/space is 0.012

    9. Conductor width, thickness and spacing
      When not specified by the customer, the minimum conductor width shall be 80% of  the pattern supplied by the procurement documentation.  Both internal and external conductor  thickness  tolerance  vary with the weight of the copper foil used for fabrication and  must    meet or exceed values established by IPC-6012.  Conductor  spacing may be reduced by a maximum of 30% (IPC Class2) unless otherwise stated in the documentation.

    10. Soldermask Swell
      This is the expansion of mask relief over pad area. Our minimum is 0.005” over pad dimension or 0.0025” each side. PCB Unlimited will modify files to meet the minimum dimension.

    11. Slot Width
      Minimum 0.031” in width. (For smaller width, call your salesperson for pricing and turntime.)

    12. Tab Rout Spacing
      Please allow 0.100” spacing between your individual pcbs for tab rout spacing. When scoring there should be no spacing between the circuit boards.

    13. Silkscreen (Legend)
      0.005” minimum line width.

    Please use the form above to quote your Full Service printed circuit boards. If your boards specs are not listed below CLICK HERE for a custom quote

    • IPC Class II Standards
    • Plated or Non-plated holes (if no specifications provided holes will be plated)
    • Non-plated or plated slots/edges and cutout's
    • FR4 Tg135 & FR4 Tg170
    • Different soldermask colors (default green)
    • Different silkscreen (legend) colors (default white)
    • 1/2, 1, 2 and 3oz. Cu. Inner layers/Up to 3 oz. Cu. Wt. on outer layers
    • Overall thickness .031” .062”, .093”, 0.125”, other
    • Trace/Space down to 6/6 mils
    • UL Markings (Also 94V-O upon request)
    • Lead-Free logo markings on printed circuit boards (upon request)
    • Gold fingers
    • Bare Copper, Leaded HASL, Lead-Free HASL, OSP, ENIG, Immersion Silver
    • Controlled Dielectric and/or Controlled Impedance
    • Inner layer Cu. Wt. ½ oz. – 3 oz.
    • Countersinks/Counterbores
    • Rout Tolerance +/- 0.010”
    • Hole Tolerance +/- 0.003” (if requested)
    • Fiducials and/or Tooling Holes

    Electrical Testing is always included.

    Get 30% off any Laser Cut SMT Stencil and Solder Paste when you order your PCBs!
    Just place your PCBs in your shopping cart, the smt stencil and the solder paste are automatically discounted.

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