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FreeDFM

What FreeDFM Checks

What does FreeDFM check for?

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Complete Zip Files
  • Gerber file for each copper layer

  • Gerber file for each soldermask layer

  • Gerber file for each silkscreen layer

  • Excellon or Gerber drill file


  • Outer Layers:
  • Spacing

  • Trace width

  • Annular ring


  • Inner Signal Layers:
  • Spacing

  • Trace width

  • Annular ring

  • Inner clearance (drill to feature)
  • Inner Plane Layers
  • Spacing

  • Trace width

  • Annular ring

  • Inner clearance (drill to feature)

  • Thermal reduction


  • Drill
  • Double hits

  • Missing hits


  • Soldermask
  • Undersized clearances

  • Missing clearances


  • Silkscreen
  • Line width