Via Overstack

Check the number of layers for drilling operation.

  • Laser Via Definition: Define laser via.
    • Maximum Hole Size: Define the via with maximum hole size that same and smaller holes will be recognized as a layer via.
    • Padstack List: Define the via using padstack name.
    • Padstack String Filter: Define the via using string filter.
      • Import(.txt): Apply Filter Type based on the characters entered in the .txt file.
        • Apply as a prefix when (|F|) ABC is entered in the .txt file.
        • Apply as a mid-string when ABC is entered in the .txt file.
        • Apply as a suffix when ABC(|P|) is entered in the .txt file.
      • Export(.txt): Export the characters registered in the String Item in .txt file format.
  • Checking
    • The maximum number of layers a Laser Via can penetrate: Define the maximum number of layers a Laser Via can penetrate.
      • Check missing pads of vias.
    • The maximum number of layers a Buried Via can penetrate: Define the maximum number of layers a Buried Via can penetrate.
      • Check missing pads of vias.
    • The maximum number of layers a Blind Via can penetrate: Define the maximum number of layers a Blind Via can penetrate.
      • Check missing pads of vias.
    • Except via for connected among specific layers: Define the except via for connected among specific layers