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Working with Vias
Placing Vias
© National Instruments Corporation
2.
In the Remove Islands box, set the parameters to remove islands using
the following (an island is a section of copper within the copper area
that is not connected to any other copper):
•
Smaller than checkbox—Enable the checkbox and enter the
desired setting. Any copper islands with length and width smaller
than this value are automatically deleted.
•
Not connected to outer edge checkbox—Any unconnected
copper within the coppe area will be removed.
•
Reset all manual removed islands checkbox—Select to replace
all islands that you removed manually (that is, by selecting and
deleting).
3.
Select Enable voiding if you wish the area around traces and pins not
to be connected to the copper area.
4.
If you wish to connect the copper area to a net, enable Connected to
Net and select the desired net from the list.
This section contains the following topics:
•
Placing Vias
•
Viewing and Editing Via Properties
A via is a plated through-hole in a printed circuit board used to connect two
or more layers, as well as the top and bottom surfaces of the board.
Once placed, a via can be moved like a part. Refer to the
Part Placement
of Chapter 4,
information.
Complete the following steps to place a via:
1.
Choose Place»Via and click on the board where you want to place the
via. The Select the lamination that is to be used for this via dialog
box appears.
2.
Select the layers that the via is to run between (From Layer and
To Layer).
3.
Click OK. The dialog box disappears.
4.
Right-click to cancel the Place Via command, or click in another
location to place another via.
Chapter 5
Working with
5-15
Working with Traces and Copper
Tools to Assist
Parts, section for more
NI Ultiboard User Manual
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