Re: gEDA-user: My board is back

["harry eaton" <bumpelo@comcast.net>]

That might not be a good idea. Most fab shops expect to get finished sizes
for the drill rack
and then they bias them to account for the plating thickness. You're
probably ok as long as
you tell them what you're expecting but if nothing is mentioned most will
bias up to account
for plating.

h.

----- Original Message -----
From: "DJ Delorie" <dj@delorie.com>
To: <geda-user@seul.org>
Sent: Thursday, October 14, 2004 11:18 AM
Subject: Re: gEDA-user: My board is back


>
> > It's their job to computer their plating constants into drill size ;-)
>
> This may come as a surprise to you, but they can't drill arbitrary
> hole sizes.  They have a fixed collection of drills, usually wire
> sized, that they use.  I always specify drill size, ensure it's a
> standard wire drill size, and account for copper plating myself.
>
> If you ask for an in-between size, they're likely to just give you the
> next bigger drill.