What does FreeDFM™ check for?
  

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
 Inner Plane Layers:
  • Spacing
  • Trace width
  • Annular ring
  • Inner clearance (drill to feature)
  • Thermal reduction
 Outer Layers:
  • Spacing
  • Trace width
  • Annular ring
 Drill:
  • Double hits
  • Missing hits
 Inner Signal Layers:
  • Spacing
  • Trace width
  • Annular ring
  • Inner clearance (drill to feature)
 Soldermask:
  • Undersized clearances
  • Missing clearances
Silkscreen:
  •  Line width


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