Cadence PCB Best Practices

Working with Backdrilling

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Working with Backdrilling Backdrilling October 2019 29 Product Version 17.4-2019 © 1999-2020 All Rights Reserved. Once analysis runs the number of Plunges (backdrill candidates) are generated. Tip 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 possibly eliminate the layer pair after some routing tweaks.

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