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Article - CS371393

The MTG & NPTH hole exported from Creo Parametric is shown as two holes in Cadence Allegro PCB, one is non-plated hole and the other one is pad, The pad hole is half the diameter of non-plated hole, how to adjust the diameter of pad?

Modified: 28-Jun-2022   


Applies To

  • Creo Parametric 8.0.0.0 to 8.0.5.0

Description

  • To define nonmetallic mounting hole, assign MTG to ECAD_HOLE_TYPE and NPTH to ECAD_PLATING_STYLE for hole, then export IDX and import into Cadence Allegro PCB, it displays as two holes, the big one is non-plated hole, and the small one is shown as pad. The pad hole is half the diameter of non-plated hole. For example, if the diameter of non-plated hole is 10mm, the diameter of pad will be 5mm.  How to adjust the diameter of pad?
    1. Create a simple hole and assign MTG to ECAD_HOLE_TYPE and NPTH to ECAD_PLATING_STYLE for hole, then export IDX
    2. Import the IDX file into Cadence Allegro PCB Design
    3. Select menu Setup > Design Parameters, check "Non-plated holes", you can show Non-plated hole
    4. Select menu Tools > Padstack > Modify Design Packstack, select the small circle > RMB > Edit, you can notice Regular Pad definition in TOP and BOTTOM
  • The MTG & NPTH hole exported from Creo Parametric is shown as two holes in Cadence Allegro PCB, one is non-plated hole and the other one is pad, The diameter of pad hole is half the diameter of non-plated hole，how to adjust the diameter of pad?
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