[PCB_FORUM] Re: Via-In-Pad

We have done it on many boards. Question is whether you want to fill it with
non-conductive epoxy, which will increase the cost. Since you are talking
about 0603 pads, i assume them to be only discretes, in that case, there
should not be any problem.

Is it a proto board or production board?

On Thu, Jan 29, 2009 at 6:53 AM, <ameehan@xxxxxxxxxxxxxx> wrote:

>  One of our engineers has asked if we can implement via-in-pad on a
> handful of 0603 pads to facilitate routing of critical lines. We've never
> done it here before, and I know that it increases both fab and assembly
> costs. I'm also concerned about the risks involved (trapped solvents, rising
> via plugs, etc). Has anyone out there used this technology on only a few
> components with success (and minimal problems)? I'm not sure if we should be
> doing this on a layout spin that needs to be our production version. Thanks
> in advance for any feedback.
>
> Alexis Meehan
>
> *Opnext Subsystems, Inc.*
>
> Desk: 408-385-3040
>
>
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