Allegro/OrCAD Rigid Flex Design Creation Best Practices
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9. To apply the changes, select the Add button in the form.
The Primary Stackup definition is updated. Using the same methodology, the
SOLDERMASK_BOTTOM can be added. This can be done without exiting the Add Layers form
1. Select the BOTTOM conductor subclass in the Primary stackup.
2. Select the Below Conductor BOTTOM option button in the Add Layers form.
3. Expand the Mask->Design-defined Mask Layers->Bottom node.
4. Select Soldermask Bottom.
5. Add the new layer.
The Primary stackup is updated.
The graphical representation of the stackup located on the left side of Cross-section Editor reflects the
current stackup.
The next step is to define the flexible stackup of the design.
1. From the Cross Section Editor menu, choose the View -Multiple Stackups mode command.
This mode alters the stackup table. The display now contains tabs for All stackups, Primary, and "+". The
All stackups tab displays all the layers defined in the design with a column for each of the defined
stackups. The check boxes in each stackup column indicate the layers assigned to the stackup definition.