drill via of pcb

[bdjooo]

Hi;

I'm working on a PCB of two alyers and i would to know how we can choose the drill (inner hole)and wall thckness of my VIA .

please if some one has an idea or imformations about this point mail me.

Thank you.

Best reguards.

[yyao]

Hi,

You can double click on your via in Ultiboard click on the Via tab. Here, you can choose to use custom via sizes as opposed to the ones that you set for the entire design in Ultiboard.

The Drill Diameter is the size of the inner hole

The Pad Diameter is the size of the via including the annular ring

Leave the Plated option checked unless you want to make a non conductive hole

Hope that helps.

[bdjooo]

hi Yyao;

thank you for your replay.

the method how i change the drill and pad size of via i know it.

but the problem is in wich parametre i choose the size of my via.

for example the relation between the size of via and the current or the track the we put it on.

thank you again.

[yyao]

Edit:

Sorry, replied to wrong thread

Message Edited by yyao on 12-31-2008 01:23 PM

[yyao]

Alternatively, you can set an option for the board which will cause all new via to be created in a custom size. To do this:

1.  Click Options>>PCB Properties
2. Under Vias, change the Drill and Pad diameters as appropriate
3. Click OK
4. All new vias will be created under the new settings that you just specified

 Does that work for you?