Справочник Пользователя для National Instruments Ultiboard

Use the Vias tab to work with via information.

The unique identifier for the net to which the via is 
connected. Can be changed by using the drop-down 
list. 

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. 

The diameter of the via as set in the Via Properties 
dialog box. Refer to the 

 section of Chapter 5, 

, for more information. 

The diameter of the drill hole in the via, as set in the 
Via Properties dialog box. Refer to the 

 section of Chapter 5, 

, for more information. 

The minimum clearance permitted between the via 
and traces, as set in the Via Properties dialog box. 
Refer to the 

section of Chapter 5, 

, for more information. 

Yes indicates that the via cannot be moved. No 
indicates that the via can be moved. 

The side of the board on which the solder mask for the 
via is found. Choices are: Both; Bottom; None; Top. 

The type of via. This field is read-only.