Tech Tip: How to merge lines and pads to create area fill with desired fillet arc radius

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The current fillet utility will not add fillets to area fill angles which in some cases is necessary especially for mounting bars added to a PCB. It is possible to do this using lines and pads and then using the reinforce utility to create the proper fillet and then using the merge utility to change the lines and pads to area fill.

The following steps will need to be done.

  1. Add a hole and a pad to the conductor layer which in this case would be a mounting hole.

mounting hole

  1. Route two traces to the pad

2. Route two traces to the pad

  1. Reinforce the traces to the pad with area fill

2. Route two traces to the pad

3. Reinforce the traces to the pad with area fill

  1. Use Figure Offset to create the shape on the conductive layer

conductive layer

create the shape on the conductive layer

  1. Use figure Merge to combine the tracks and pad into on area fill with the proper fillets

Merge to combine the tracks and pad

Merge to combine the tracks and pad into on area fill with the proper fillets

The following video will show a quick demonstration of this:

Jeff Perry
Jeff Perry
Applications Engineer
Jeff Perry is a Customer Support Applications Engineer. He focuses on customer support for CR-5000/CR-8000 Tool Suites. Jeff provides instruction on Zuken tools at customer sites or via the web. He also puts together Application Notes, Tool Tips and Tech Tips which help improve customer productivity. He enjoys golf and spending time with his grandson.