On 5/29/06, John Culp <[EMAIL PROTECTED]> wrote:
The best site describing a technique for this is: http://www.thinktink.com/
in particular:
http://www.thinktink.com/stack/volumes/volvi/condink.htm
Professionally made prototype pcb's are inexpensive enough now that I
don't think I'll try this, but have fun!
-John
Robert Spanton wrote:
> I make PCBs at home with a minimum track width of about 0.12mm. I'd
> like to use BGA components in my designs, but possibly the biggest
> problem lies in actually getting the tracks out from under the BGA.
> Looking at other designs, it looks like it's possible to get all the
> tracks out from under the BGA on a 2-sided board but only if you can
> get vias between the pins of the BGAs. Drilling those vias accurately
> is more difficult - hence my need for an x-y table...
>
> Then once you've got those vias, you've got to get some sort of
> conducting stuff through them. I don't think sodlering anything
> through them is an option, as they wouldn't be flat enough to go
> beneath the BGA. The only chemicals I've seen for plating PCBs seem
> quite expensive (for a student!). I'd be interested to know if there's
> anyone who can suggest cheap ways of copper plating the holes.
>
> Rob
> _______________________________________________
> Open-graphics mailing list
> [email protected]
> http://lists.duskglow.com/mailman/listinfo/open-graphics
> List service provided by Duskglow Consulting, LLC (www.duskglow.com)
>
>
--
John R. Culp
[EMAIL PROTECTED]
_______________________________________________
Open-graphics mailing list
[email protected]
http://lists.duskglow.com/mailman/listinfo/open-graphics
List service provided by Duskglow Consulting, LLC ( www.duskglow.com)
_______________________________________________ Open-graphics mailing list [email protected] http://lists.duskglow.com/mailman/listinfo/open-graphics List service provided by Duskglow Consulting, LLC (www.duskglow.com)
