Chapter 1
User Interface
©
National Instruments Corporation
1-25
Complete the following steps to rename layers:
1.
Click
Rename
in the
Layer Names
area. The
Select Layer for
Renaming
dialog box appears.
2.
Select the layer that you wish to rename and click
OK
. The
Layer
dialog box appears.
3.
Enter the new
Layer Name
and click
OK
.
Design Rules Tab
Complete the following steps to set the design rules for the PCB:
1.
Click on the
Design Rules
tab.
2.
In the
Design Rule Default Values
area, set the following as desired:
•
Trace Width Settings
—Set trace width and minimum and
maximum trace width.
•
Trace Length Settings
—Set minimum and maximum trace
length.
•
Trace Neck Settings
—Set minimum and maximum trace neck
length.
•
Clearance Settings
—Set clearance to traces, pads, vias and
copper areas. For all of these clearances to be active, and display
in the
Spreadsheet View
, the
Use multiple clearances
checkbox
must be selected. Otherwise, only clearance to traces will be
operational.
•
Part Spacing Settings
—Set minimum distance between parts.
This setting only applies to the spacing during part shoving.
Tip
To set this option for an individual part, go to the
Part
tab of that part’s properties
dialog box. Refer to the
, for more
information.
•
Pin & Gate Swapping Settings
—Set parameters for pin and gate
swapping.
•
Thermal Relief
—Set the thermal relief shape.
•
Drill Technology
—Set the minimum tool size for slot drilling.
For information on any setting, select it in the
Design Rule Default Values
area. A description appears in the field at the bottom of the dialog.