National-instruments Graphical User Interface Ultiboard Manual do Utilizador descarregar pdf (Página 38)

Chapter 1 User Interface

NI Ultiboard User Manual 1-22 ni.com

4. As you make changes to the layer settings, the Allowed Vias pane

shows the acceptable layer combinations for blind and buried vias or

microvias. Use the checkboxes to select the layer combinations you

want to allow in your design as shown in the example in the figure

below.

5. In the Allow Routing area, from the Copper Layer drop-down list,

select the copper layer for which you wish to assign routing properties

and click Properties to display the Copper Layer Properties dialog

box.

Enable the Routable checkbox to allow routing on the selected layer.

In the Trace Bias drop-down list, select one of Horizontal; Vertical;

or None.

Click OK to close the Copper Layer Properties dialog box.

6. In the Board area, enter the desired Board Outline Clearance and

Board Thickness.

7. Click OK to close the dialog box.

Pads/Vias Tab

Use the Pads/Vias tab of the PCB Properties dialog box to set the

following:

• Through Hole Pad Annular Ring

• Vias

• Microvias

• Maximum Vias Per Net

• Surface Mount Pads Oversize

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National-instruments Graphical User Interface Ultiboard Manual do Utilizador Página 38