National Instruments Graphical User Interface Ultiboard - Manual (Page 58)

Chapter 1 User Interface
NI Ultiboard User Manual 1-42 ni.com
Spreadsheet View: Vias Tab
Use the Vias tab to work with via information.
Column Description
Assume Net The unique identifier for the net to which the via is
connected. Can be changed by using the drop-down
list.
Lamination Double-click to display the Select the lamination
that is to be used for this via dialog box, where you
select the layers that the via is to run between.
This setting cannot be changed for micro vias.
Pad Diameter The diameter of the via as set in the Via Properties
dialog box. Refer to the
Viewing and Editing Via
Properties section of Chapter 5, Working with Traces
and Copper , for more information.
Drill
Diameter The diameter of the drill hole in the via, as set in the
Via Properties dialog box. Refer to the
Viewing and
Editing Via Properties section of Chapter 5, Working
with Traces and Copper , for more information.
Trace
Clearance The minimum clearance permitted between the via
and traces, as set in the Via Properties dialog box.
Refer to the
Viewing and Editing Via Properties
section of Chapter 5, Working with Traces and
Copper , for more information.
Locked Yes indicates that the via cannot be moved. No
indicates that the via can be moved.
Soldermask The side of the board on which the solder mask for the
via is found. Choices are: Both; Bottom; None; Top.
Type The type of via. This field is read-only.