Drill Size of Via

If specified via’s hole sizes are not in the given ranges, PollEx DFM defines them as fails.

• Target Object Definition: Set target vias that users want to find out on design.

  
  
  

  Figure 1.

  • Through Via Drill Hole: Set the through via’s drill hole size with minimum value.
  • Blind Via Drill Hole: Set the blind via’s drill hole size with minimum value.
  • Buried Via Drill Hole: Set the buried via’s drill hole size with minimum value.
• Exclude Checking for Via Hole Size in Ranges: Among via holes defined in the table above, exclude checking for vias that have hole sizes in the ranges of the table below's setting.

  
  
  

  Figure 2.

  • Item: Specify the item name.
  • Min Diameter: Set the via hole’s minimum hole diameter to be excluded in checking.
  • Max Diameter: Set the via hole’s maximum hole diameter to be excluded in checking.
  • Min Length: Set the via hole’s minimum hole length to be excluded in checking.
  • Max Length: Set the via hole’s maximum hole length to be excluded in checking.