Archive of the former Yahoo!Groups mailing list: Homebrew PCBs
Subject: Re: [Homebrew_PCBs] Re: How to deburr drill holes (vias) ?
From: DJ Delorie <dj@...>
Date: 2010-02-12
Note that foils only work if your drill can press down on the foil
next to where it's going to drill, to keep it against the copper.