Working with Backdrilling in Allegro PCB Designer: Best Practices
Learn more at Cadence Online Support https://support.cadence.com
© 2014 Cadence Design Systems, Inc. All rights reserved worldwide.
Page 27
Tool Tip – The backdrill layer pairs can be excluded from the backdrill process under
the Enable column. Backdrill candidates on disabled or missing layer pairs will be
reported as Backdrill errors (stub violations) in the report and generate a canvas Flag
Code figure.
Disabling underutilized layer pairs to isolate the backdrill plunges location that need to
be reviewed and to possible eliminate the layer pair after some routing tweaks.
Disable Backdrill layer pair for underutilized backdrill plunges
