Re: gEDA-user: anyone has had success with 0.2mm?

[DJ Delorie <dj@xxxxxxxxxxx>]

> The hardest part is the 0.3mm vias in a drill press with no
> alignment aids.

http://www.delorie.com/pcb/dremel-stand/

although the dremel shaft itself has about 6 mil of play in it.  I've
tweaked the drill helper checkbox of the PS exporter to be more
suitable for this particular use; in addition, using a pushpin or
other sharp metal object, you can pre-poke the right spot and the
dremel will wander into it when you drill.

I can reliably drill 13.5 mil vias with a 9 mil annulus.


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